| 1 |
<?php |
| 2 |
|
| 3 |
if (!defined('ABSPATH')) die('No direct access allowed'); |
| 4 |
|
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class WP_Optimize_Minify_Front_End { |
| 6 |
|
| 7 |
private $collect_preload_js = array(); |
| 8 |
|
| 9 |
private $collect_preload_css = array(); |
| 10 |
|
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private $collect_google_fonts = array(); |
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|
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private $minify_cache_incremented = false; |
| 14 |
|
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private $options = array(); |
| 16 |
|
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/** |
| 18 |
* Initialize actions and filters |
| 19 |
* |
| 20 |
* @return void |
| 21 |
*/ |
| 22 |
public function __construct() { |
| 23 |
$this->include_dependencies(); |
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$this->options = wp_optimize_minify_config()->get(); |
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|
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// Main process |
| 27 |
add_action('wp', array($this, 'init')); |
| 28 |
|
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// Beaver builder |
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add_action('fl_builder_after_save_layout', array('WP_Optimize_Minify_Cache_Functions', 'reset')); |
| 31 |
|
| 32 |
// extra_preload_headers is currently not available to users |
| 33 |
// add_action('send_headers', array($this, 'extra_preload_headers')); |
| 34 |
|
| 35 |
if (!is_admin()) { |
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add_action('wp_headers', array($this, 'add_caching_headers')); |
| 37 |
} |
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} |
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|
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/** |
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* Fired on wp init |
| 42 |
* |
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* @return void |
| 44 |
*/ |
| 45 |
public function init() { |
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/** |
| 47 |
* Check whether Minify is run on the current page |
| 48 |
*/ |
| 49 |
if (!$this->run_on_page()) return; |
| 50 |
|
| 51 |
if ($this->options['emoji_removal']) { |
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$this->disable_emojis(); |
| 53 |
} |
| 54 |
|
| 55 |
if ($this->options['clean_header_one']) { |
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$this->remove_header_meta_info(); |
| 57 |
} |
| 58 |
|
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// Headers & Preload JS/CSS/Extra |
| 60 |
if ($this->options['enabled_css_preload'] || $this->options['enabled_js_preload']) { |
| 61 |
add_action('wp_footer', array($this, 'generate_preload_headers'), PHP_INT_MAX); |
| 62 |
} |
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|
| 64 |
if ($this->options['enable_js']) { |
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$this->process_js(); |
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} |
| 67 |
|
| 68 |
if ($this->options['enable_css']) { |
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$this->process_css(); |
| 70 |
} |
| 71 |
|
| 72 |
// Preload tags |
| 73 |
if (trim($this->options['hpreload'])) { |
| 74 |
add_action('wp_head', array($this, 'add_assets_preload'), 2); |
| 75 |
} |
| 76 |
|
| 77 |
if ($this->should_process_html()) { |
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add_action('template_redirect', array('WP_Optimize_Minify_Functions', 'html_compression_start'), 9); |
| 79 |
} |
| 80 |
|
| 81 |
if ($this->should_use_loadCSS()) { |
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add_action('wp_footer', array('WP_Optimize_Minify_Print', 'add_load_css'), PHP_INT_MAX); |
| 83 |
} |
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|
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$this->remove_query_string_from_static_assets(); |
| 86 |
} |
| 87 |
|
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/** |
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* Detects whether cache preloading is running or not |
| 90 |
* |
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* @return bool |
| 92 |
*/ |
| 93 |
private function is_cache_preload() { |
| 94 |
return isset($_SERVER['HTTP_X_WP_OPTIMIZE_CACHE_PRELOAD']) && 0 === strcmp($_SERVER['HTTP_X_WP_OPTIMIZE_CACHE_PRELOAD'], 'Yes'); |
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} |
| 96 |
|
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/** |
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* Set initial values for the meta log object |
| 99 |
* |
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* @param string $header - Info on time the log was processed |
| 101 |
* @return array |
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*/ |
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private function meta_log_initialization($header) { |
| 104 |
return array( |
| 105 |
'header' => $header, |
| 106 |
'invalidation_reason' => "", |
| 107 |
'files_that_changed' => array() |
| 108 |
); |
| 109 |
} |
| 110 |
|
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/** |
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* Wether to run the feature on a page or not |
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* |
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* @param string $context - Optional, The context where the check is done |
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* @return boolean |
| 116 |
*/ |
| 117 |
public function run_on_page($context = 'default') { |
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/** |
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* Filters wether the functionality is ran on the current page. |
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* |
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* @param boolean $run_on_page |
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* @param string $context - Optional, The feature where the check is done |
| 123 |
*/ |
| 124 |
return apply_filters( |
| 125 |
'wpo_minify_run_on_page', |
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!is_admin() |
| 127 |
&& (!defined('SCRIPT_DEBUG') || !SCRIPT_DEBUG) |
| 128 |
&& !is_preview() |
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&& (!function_exists('is_customize_preview') || !is_customize_preview()) |
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&& !($this->options['disable_when_logged_in'] && is_user_logged_in()) |
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&& !(function_exists('is_amp_endpoint') && is_amp_endpoint()) |
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&& !WP_Optimize_Minify_Functions::exclude_contents(), |
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$context |
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); |
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} |
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|
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/** |
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* Inline css in place, instead of inlining the large file |
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* |
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* @param String $html |
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* @param String $handle |
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* @param String $href |
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* @param String $media |
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* |
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* @return String |
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*/ |
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public function inline_css($html, $handle, $href, $media) { |
| 148 |
$exclude_css = $this->get_excluded_css_list(); |
| 149 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_css); |
| 150 |
$blacklist = WP_Optimize_Minify_Functions::get_ie_blacklist(); |
| 151 |
$async_css = $this->get_async_css_list(); |
| 152 |
$master_ignore = array_merge($ignore_list, $blacklist); |
| 153 |
|
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// make sure href is complete |
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$href = WP_Optimize_Minify_Functions::get_hurl($href); |
| 156 |
|
| 157 |
if ($this->options['debug']) { |
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echo "<!-- wpo_min DEBUG: Inline CSS processing start $handle / $href -->\n"; |
| 159 |
} |
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|
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|
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// skip all this, if the async css option is enabled |
| 163 |
if ($this->options['loadcss']) return $html; |
| 164 |
// remove all css? |
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if ($this->options['remove_css']) return false; |
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// leave conditionals alone |
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if (wp_styles()->get_data($handle, 'conditional')) return $html; |
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|
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// mediatype fix for some plugins + remove print mediatypes |
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if ('screen' == $media |
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|| 'screen, print' == $media |
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|| empty($media) |
| 173 |
|| is_null($media) |
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|| false == $media |
| 175 |
) { |
| 176 |
$media = 'all'; |
| 177 |
} |
| 178 |
if (!empty($this->options['remove_print_mediatypes']) && 'print' == $media) { |
| 179 |
return false; |
| 180 |
} |
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|
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// Exclude specific CSS files from PageSpeedInsights? |
| 183 |
if (WP_Optimize_Minify_Functions::in_arrayi($href, $async_css)) { |
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WP_Optimize_Minify_Print::exclude_style($href); |
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return false; |
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} |
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|
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// remove wpo_min from the ignore list |
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$ignore_list = array_filter($ignore_list, array($this, 'check_wpo')); |
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|
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// return if in any ignore or black list |
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if (count($master_ignore) > 0 && WP_Optimize_Minify_Functions::in_arrayi($href, $master_ignore)) { |
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return $html; |
| 194 |
} |
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|
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// return if already minified |
| 197 |
if (WP_Optimize_Minify_Functions::is_minified_css_js_filename($href)) { |
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return $html; |
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} |
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|
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// check if working with a font awesom link |
| 202 |
if (WP_Optimize_Minify_Functions::is_font_awesome($href)) { |
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// font awesome processing, async css |
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if ('async' == $this->options['fawesome_method']) { |
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WP_Optimize_Minify_Print::async_style($href, $media); |
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return false; |
| 207 |
} elseif ('exclude' === $this->options['fawesome_method']) { |
| 208 |
// font awesome processing, async and exclude from PageSpeedIndex |
| 209 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 210 |
return false; |
| 211 |
} elseif ('inline' == $this->options['fawesome_method']) { |
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WP_Optimize_Minify_Print::inline_style($handle, $href); |
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return false; |
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} |
| 215 |
} |
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|
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// Check if working with google font url |
| 218 |
|
| 219 |
if ('fonts.googleapis.com' == parse_url($href, PHP_URL_HOST)) { |
| 220 |
// if option disabled google fonts processing |
| 221 |
if ($this->options['disable_google_fonts_processing']) return $html; |
| 222 |
// check if google fonts should be removed |
| 223 |
if ($this->options['remove_googlefonts']) return false; |
| 224 |
// check if google fonts should be merged |
| 225 |
if ($this->options['merge_google_fonts']) { |
| 226 |
if (WP_Optimize_Minify_Functions::is_flatsome_handle($handle)) { |
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$href = WP_Optimize_Minify_Functions::fix_flatsome_google_fonts_url($href); |
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$this->collect_google_fonts[$handle] = $href; |
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} else { |
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$this->collect_google_fonts[$handle] = $href; |
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} |
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return false; |
| 233 |
} else { |
| 234 |
if ('inline' === $this->options['gfonts_method']) { |
| 235 |
if (WP_Optimize_Minify_Functions::is_flatsome_handle($handle)) { |
| 236 |
$href = WP_Optimize_Minify_Functions::fix_flatsome_google_fonts_url($href); |
| 237 |
} |
| 238 |
// download, minify, cache |
| 239 |
$tkey = 'css-'.hash('adler32', $handle.$href).'.css'; |
| 240 |
$json = false; |
| 241 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 242 |
if (false === $json) { |
| 243 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $this->options['enable_css_minification'], 'css', $handle); |
| 244 |
if ($this->options['debug']) { |
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echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href -->\n"; |
| 246 |
} |
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WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 248 |
} |
| 249 |
|
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// decode |
| 251 |
$res = json_decode($json, true); |
| 252 |
|
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// inline css or fail |
| 254 |
if (null !== $res && false != $res['status']) { |
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// add font-display |
| 256 |
// https://developers.google.com/web/updates/2016/02/font-display |
| 257 |
$res['code'] = str_ireplace('font-style:normal;', 'font-display:block;font-style:normal;', $res['code']); |
| 258 |
|
| 259 |
echo '<style class="optimize_css_1" type="text/css" media="all">'.$res['code'].'</style>' . "\n"; |
| 260 |
return false; |
| 261 |
} else { |
| 262 |
if ($this->options['debug']) { |
| 263 |
echo "<!-- wpo_min DEBUG: Google fonts request failed for $href -->\n"; |
| 264 |
} |
| 265 |
return $html; |
| 266 |
} |
| 267 |
} elseif ('async' === $this->options['gfonts_method']) { |
| 268 |
WP_Optimize_Minify_Print::async_style($href); |
| 269 |
return false; |
| 270 |
} elseif ('exclude' === $this->options['gfonts_method']) { |
| 271 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 272 |
return false; |
| 273 |
} |
| 274 |
} |
| 275 |
} |
| 276 |
|
| 277 |
// skip external scripts that are not specifically allowed |
| 278 |
if (false === WP_Optimize_Minify_Functions::internal_url($href, site_url()) || empty($href)) { |
| 279 |
if ($this->options['debug']) { |
| 280 |
echo "<!-- wpo_min DEBUG: Skipped the next external enqueued CSS -->\n"; |
| 281 |
} |
| 282 |
return $html; |
| 283 |
} |
| 284 |
|
| 285 |
$file_size = WP_Optimize_Minify_Functions::get_file_size($href); |
| 286 |
|
| 287 |
// If we can't determine file size, then we still need to proceed with normal minify process |
| 288 |
if (apply_filters('wp_optimize_skip_inlining', false === $file_size || $file_size > 20480, $file_size, $href)) return $html; |
| 289 |
|
| 290 |
// download, minify, cache |
| 291 |
$tkey = 'css-'.hash('adler32', $handle.$href).'.css'; |
| 292 |
$json = false; |
| 293 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 294 |
if (false === $json) { |
| 295 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $this->options['enable_css_minification'], 'css', $handle); |
| 296 |
if ($this->options['debug']) { |
| 297 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href -->" . "\n"; |
| 298 |
} |
| 299 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 300 |
} |
| 301 |
|
| 302 |
// decode |
| 303 |
$res = json_decode($json, true); |
| 304 |
|
| 305 |
// inline it + other inlined children styles |
| 306 |
if (null !== $res && false != $res['status']) { |
| 307 |
echo '<style class="optimize_css_2" type="text/css" media="'.$media.'">'.$res['code'].'</style>' . "\n"; |
| 308 |
|
| 309 |
// get inline_styles for this handle, minify and print |
| 310 |
$inline_styles = array(); |
| 311 |
$inline_styles = wp_styles()->get_data($handle, 'after'); |
| 312 |
if (false != $inline_styles) { |
| 313 |
|
| 314 |
// string type |
| 315 |
if (is_string($inline_styles)) { |
| 316 |
$code = WP_Optimize_Minify_Functions::get_css($href, $inline_styles, $this->options['enable_css_minification']); |
| 317 |
if (!empty($code) && false != $code) { |
| 318 |
echo '<style class="optimize_css_3" type="text/css" media="'.$media.'">'.$code.'</style>' . "\n"; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
// array type |
| 323 |
if (is_array($inline_styles)) { |
| 324 |
foreach ($inline_styles as $st) { |
| 325 |
$code = WP_Optimize_Minify_Functions::get_css($href, $st, $this->options['enable_css_minification']); |
| 326 |
if (!empty($code) && false != $code) { |
| 327 |
echo '<style class="optimize_css_4" type="text/css" media="'.$media.'">'.$code.'</style>' . "\n"; |
| 328 |
} |
| 329 |
} |
| 330 |
} |
| 331 |
} |
| 332 |
|
| 333 |
// prevent default |
| 334 |
return false; |
| 335 |
} else { |
| 336 |
if ($this->options['debug']) { |
| 337 |
echo "<!-- wpo_min DEBUG: $handle / $href returned an empty from minification -->" . "\n"; |
| 338 |
} |
| 339 |
return $html; |
| 340 |
} |
| 341 |
echo "<!-- ERROR: WPO-Minify couldn't catch the CSS file below. Please report this on https://wordpress.org/support/plugin/wp-optimize/ -->\n"; |
| 342 |
return $html; |
| 343 |
} |
| 344 |
|
| 345 |
/** |
| 346 |
* Enable defer for JavaScript (WP 4.1 and above) and remove query strings for ignored files |
| 347 |
* |
| 348 |
* @param String $tag |
| 349 |
* @param String $handle |
| 350 |
* @param String $src |
| 351 |
* |
| 352 |
* @return String |
| 353 |
*/ |
| 354 |
public function defer_js($tag, $handle, $src) { |
| 355 |
$wp_domain = trim(str_ireplace(array('http://', 'https://'), '', trim(site_url(), '/'))); |
| 356 |
$exclude_js = $this->get_excluded_js_list(); |
| 357 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_js); |
| 358 |
// Should this defer the Poly fills for IE? |
| 359 |
$blacklist = WP_Optimize_Minify_Functions::get_ie_blacklist(); |
| 360 |
// no query strings |
| 361 |
if (false !== stripos($src, '?ver')) { |
| 362 |
$srcf = stristr($src, '?ver', true); |
| 363 |
$tag = str_ireplace($src, $srcf, $tag); |
| 364 |
$src = $srcf; |
| 365 |
} |
| 366 |
|
| 367 |
// return if defer option is set to individual |
| 368 |
if ('individual' === $this->options['enable_defer_js']) { |
| 369 |
return $tag; |
| 370 |
} |
| 371 |
|
| 372 |
// return the tag if it's a polyfill |
| 373 |
if (count($blacklist) > 0 && WP_Optimize_Minify_Functions::in_arrayi($src, $blacklist)) { |
| 374 |
return $tag; |
| 375 |
} |
| 376 |
|
| 377 |
// Skip deferring the jQuery library option, if the defer jQuery option is disabled |
| 378 |
if (!$this->options['defer_jquery'] |
| 379 |
&& (false !== stripos($tag, '/jquery.js') |
| 380 |
|| false !== stripos($tag, '/jquery.min.js') |
| 381 |
|| (false !== stripos($tag, '/jquery-') && false !== stripos($tag, '.js'))) |
| 382 |
) { |
| 383 |
return $tag; |
| 384 |
} |
| 385 |
|
| 386 |
// return if external script url https://www.chromestatus.com/feature/5718547946799104 |
| 387 |
if (WP_Optimize_Minify_Functions::is_local_domain($src) !== true) { |
| 388 |
return $tag; |
| 389 |
} |
| 390 |
|
| 391 |
// bypass if already optimized |
| 392 |
if (false !== stripos($tag, 'navigator.userAgent.match')) { |
| 393 |
return $tag; |
| 394 |
} |
| 395 |
|
| 396 |
// should we exclude defer on the login page? |
| 397 |
if ($this->options['exclude_defer_login'] |
| 398 |
&& false !== stripos($_SERVER["SCRIPT_NAME"], strrchr(wp_login_url(), '/')) |
| 399 |
) { |
| 400 |
return $tag; |
| 401 |
} |
| 402 |
|
| 403 |
// add defer attribute, but only if not having async or defer already |
| 404 |
if (stripos($tag, 'defer') === false && stripos($tag, 'async') === false) { |
| 405 |
|
| 406 |
// add cdn for PageSpeedIndex |
| 407 |
if (!empty($this->options['cdn_url'])) { |
| 408 |
$cdn_url = trim(trim(str_ireplace(array('http://', 'https://'), '', trim($this->options['cdn_url'], '/'))), '/'); |
| 409 |
$src = str_ireplace($wp_domain, $cdn_url, $src); |
| 410 |
} |
| 411 |
if ('async_using_js' === $this->options['defer_js_type']) { |
| 412 |
return WP_Optimize_Minify_Print::async_script($src, false); |
| 413 |
} |
| 414 |
|
| 415 |
// remove wpo_min from the ignore list |
| 416 |
$ignore_list = array_filter($ignore_list, array($this, 'check_wpo')); |
| 417 |
if (count($ignore_list) > 0 && WP_Optimize_Minify_Functions::in_arrayi($src, $ignore_list)) { |
| 418 |
return $tag; |
| 419 |
} else { |
| 420 |
/** |
| 421 |
* Filters whether to use the defer attribute or async. |
| 422 |
* |
| 423 |
* @default string 'defer' (any other value will be set to async) |
| 424 |
* @param string $value - 'defer' or 'async' |
| 425 |
* @param string $tag - The <script> tag |
| 426 |
* @param string $handle - The WP handle for the script |
| 427 |
* @param string $src - The SRC for the script |
| 428 |
* @return string - 'defer' or 'async' |
| 429 |
*/ |
| 430 |
$defer_or_async = apply_filters('wpo_minify_defer_or_async', 'defer', $tag, $handle, $src); |
| 431 |
if ('defer' === $defer_or_async) { |
| 432 |
return str_ireplace('<script ', '<script defer ', $tag); |
| 433 |
} else { |
| 434 |
return str_ireplace('<script ', '<script async ', $tag); |
| 435 |
} |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
// fallback |
| 440 |
return $tag; |
| 441 |
} |
| 442 |
|
| 443 |
/** |
| 444 |
* Add inline CSS code / Critical Path |
| 445 |
* |
| 446 |
* @return void |
| 447 |
*/ |
| 448 |
public function add_critical_path() { |
| 449 |
if (is_front_page() && !empty($this->options['critical_path_css_is_front_page'])) { |
| 450 |
echo '<style id="critical-path-is-front-page" type="text/css" media="all">' . "\n" . $this->options['critical_path_css_is_front_page'] . "\n" . '</style>' . "\n"; |
| 451 |
} elseif (!empty($this->options['critical_path_css'])) { |
| 452 |
echo '<style id="critical-path-global" type="text/css" media="all">' . "\n" . $this->options['critical_path_css'] . "\n" . '</style>' . "\n"; |
| 453 |
} |
| 454 |
} |
| 455 |
|
| 456 |
/** |
| 457 |
* Add critical assets preload |
| 458 |
* |
| 459 |
* @return void |
| 460 |
*/ |
| 461 |
public function add_assets_preload() { |
| 462 |
$preload = json_decode($this->options['hpreload']); |
| 463 |
if (is_array($preload)) { |
| 464 |
foreach ($preload as $asset) { |
| 465 |
if (!empty($asset)) { |
| 466 |
echo '<link rel="preload" href="'.esc_url($asset->href).'" as="'.esc_attr($asset->type).'"'.($asset->crossorigin ? ' crossorigin' : '').'>'; |
| 467 |
} |
| 468 |
} |
| 469 |
} |
| 470 |
} |
| 471 |
|
| 472 |
/** |
| 473 |
* Process header CSS |
| 474 |
* |
| 475 |
* @return boolean |
| 476 |
*/ |
| 477 |
public function process_header_css() { |
| 478 |
global $wp_styles; |
| 479 |
if (!is_object($wp_styles)) return false; |
| 480 |
|
| 481 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 482 |
$cache_base_dir = $cache_path['cachebasedir']; |
| 483 |
$cache_dir = $cache_path['cachedir']; |
| 484 |
$cache_dir_url = $cache_path['cachedirurl']; |
| 485 |
$exclude_css = $this->get_excluded_css_list(); |
| 486 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_css); |
| 487 |
$async_css = $this->get_async_css_list(); |
| 488 |
|
| 489 |
$minify_css = $this->options['enable_css_minification']; |
| 490 |
$merge_css = $this->options['enable_merging_of_css']; |
| 491 |
$merge_inline_extra_css_js = $this->options['merge_inline_extra_css_js']; |
| 492 |
$process_css = $minify_css || $merge_css; |
| 493 |
$disable_google_fonts_processing = $this->options['disable_google_fonts_processing']; |
| 494 |
$styles = clone $wp_styles; |
| 495 |
$styles->all_deps($styles->queue); |
| 496 |
$done = $styles->done; |
| 497 |
$header = array(); |
| 498 |
$google_fonts = array(); |
| 499 |
$process = array(); |
| 500 |
$inline_css = array(); |
| 501 |
$log = ''; |
| 502 |
|
| 503 |
// dequeue all styles |
| 504 |
if (isset($this->options['remove_css']) && $this->options['remove_css']) { |
| 505 |
foreach ($styles->to_do as $handle) { |
| 506 |
$done = array_merge($done, array($handle)); |
| 507 |
} |
| 508 |
// remove from queue |
| 509 |
$wp_styles->done = $done; |
| 510 |
return false; |
| 511 |
} |
| 512 |
|
| 513 |
// get list of handles to process, dequeue duplicate css urls and keep empty source handles (for dependencies) |
| 514 |
$uniq = array(); |
| 515 |
foreach ($styles->to_do as $handle) { |
| 516 |
|
| 517 |
// conditionals |
| 518 |
$conditional = null; if (isset($wp_styles->registered[$handle]->extra["conditional"])) { |
| 519 |
$conditional = $wp_styles->registered[$handle]->extra["conditional"]; // such as ie7, ie8, ie9, etc |
| 520 |
} |
| 521 |
|
| 522 |
// mediatype |
| 523 |
$mt = isset($wp_styles->registered[$handle]->args) ? $wp_styles->registered[$handle]->args : 'all'; |
| 524 |
if ('screen' == $mt || 'screen, print' == $mt || empty($mt) || is_null($mt) || false == $mt) { |
| 525 |
$mt = 'all'; |
| 526 |
} |
| 527 |
$mediatype = $mt; |
| 528 |
|
| 529 |
// full url or empty |
| 530 |
$href = WP_Optimize_Minify_Functions::get_hurl($wp_styles->registered[$handle]->src); |
| 531 |
$version = $wp_styles->registered[$handle]->ver; |
| 532 |
|
| 533 |
// inlined scripts without file |
| 534 |
if (empty($href)) continue; |
| 535 |
|
| 536 |
|
| 537 |
// mark duplicates as done and remove from the queue |
| 538 |
if (!empty($href)) { |
| 539 |
$version = is_array($version) ? '' : $version; |
| 540 |
$key = hash('adler32', $href . $version); |
| 541 |
if (isset($uniq[$key])) { |
| 542 |
$done = array_merge($done, array($handle)); |
| 543 |
continue; |
| 544 |
} else { |
| 545 |
$uniq[$key] = $handle; |
| 546 |
} |
| 547 |
} |
| 548 |
// Exclude specific CSS files from PageSpeedIndex? |
| 549 |
if (WP_Optimize_Minify_Functions::in_arrayi($href, $async_css)) { |
| 550 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 551 |
$done = array_merge($done, array($handle)); |
| 552 |
continue; |
| 553 |
} |
| 554 |
// Fonts Awesome Processing |
| 555 |
if (WP_Optimize_Minify_Functions::is_font_awesome($href)) { |
| 556 |
if ('inline' === $this->options['fawesome_method']) { |
| 557 |
WP_Optimize_Minify_Print::inline_style($handle, $href); |
| 558 |
$done = array_merge($done, array($handle)); |
| 559 |
continue; |
| 560 |
} elseif ('async' === $this->options['fawesome_method']) { |
| 561 |
WP_Optimize_Minify_Print::async_style($href, $mediatype); |
| 562 |
$done = array_merge($done, array($handle)); |
| 563 |
continue; |
| 564 |
} elseif ('exclude' === $this->options['fawesome_method']) { |
| 565 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 566 |
$done = array_merge($done, array($handle)); |
| 567 |
continue; |
| 568 |
} |
| 569 |
} |
| 570 |
|
| 571 |
// Exclude Print mediatype |
| 572 |
if (!empty($this->options['remove_print_mediatypes']) && 'print' === $mediatype) { |
| 573 |
$done = array_merge($done, array($handle)); |
| 574 |
continue; |
| 575 |
} |
| 576 |
|
| 577 |
// array of info to save |
| 578 |
$arr = array( |
| 579 |
'handle' => $handle, |
| 580 |
'url' => $href, |
| 581 |
'conditional' => $conditional, |
| 582 |
'mediatype' => $mediatype |
| 583 |
); |
| 584 |
|
| 585 |
// google fonts to the top (collect and skip process array) |
| 586 |
if (WP_Optimize_Minify_Functions::is_google_font($href)) { |
| 587 |
if ($this->options['remove_googlefonts']) { |
| 588 |
$done = array_merge($done, array($handle)); |
| 589 |
continue; |
| 590 |
} |
| 591 |
if (WP_Optimize_Minify_Functions::is_flatsome_handle($handle)) { |
| 592 |
$href = WP_Optimize_Minify_Functions::fix_flatsome_google_fonts_url($href); |
| 593 |
$google_fonts[$handle] = $href; |
| 594 |
} else { |
| 595 |
$google_fonts[$handle] = $href; |
| 596 |
} |
| 597 |
} |
| 598 |
$process[$handle] = $arr; |
| 599 |
} |
| 600 |
|
| 601 |
// Process Google fonts |
| 602 |
if (count($google_fonts) > 0) { |
| 603 |
// merge google fonts if force inlining is enabled? |
| 604 |
$nfonts = array(); |
| 605 |
if ($this->options['merge_google_fonts']) { |
| 606 |
$nfonts[] = WP_Optimize_Minify_Fonts::concatenate_google_fonts($google_fonts); |
| 607 |
// mark the google fonts as done so they don't get processed |
| 608 |
if ('inherit' !== $this->options['gfonts_method']) { |
| 609 |
$done = array_merge($done, array_keys($google_fonts)); |
| 610 |
} |
| 611 |
} else { |
| 612 |
foreach ($google_fonts as $h => $a) { |
| 613 |
if (!empty($a)) { |
| 614 |
$nfonts[$h] = $a; |
| 615 |
} |
| 616 |
} |
| 617 |
} |
| 618 |
|
| 619 |
// foreach google font (will be one if merged is not disabled) |
| 620 |
foreach ($nfonts as $handle => $href) { |
| 621 |
if ('inline' === $this->options['gfonts_method']) { |
| 622 |
// download, minify, cache |
| 623 |
$tkey = 'css-'.hash('adler32', $href).'.css'; |
| 624 |
// this returns false if the cache is empty! but it doesn't check for failed |
| 625 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 626 |
$json = json_decode($json, true); |
| 627 |
// check if the cache is empty or has no code |
| 628 |
if (null === $json || false === $json || empty($json['code'])) { |
| 629 |
$res = WP_Optimize_Minify_Functions::download_and_minify($href, null, $minify_css, 'css', null); |
| 630 |
if ($this->options['debug']) { |
| 631 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $href -->\n"; |
| 632 |
} |
| 633 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $res); |
| 634 |
// decode |
| 635 |
$json = json_decode($res, true); |
| 636 |
} |
| 637 |
|
| 638 |
// inline css or fail |
| 639 |
if (null !== $json && !empty($json['code'])) { |
| 640 |
// add font-display |
| 641 |
// https://developers.google.com/web/updates/2016/02/font-display |
| 642 |
$json['code'] = str_ireplace('font-style:normal;', 'font-display:block;font-style:normal;', $json['code']); |
| 643 |
echo '<style type="text/css" media="all">'.$json['code'].'</style>' . "\n"; |
| 644 |
$done = array_merge($done, array($handle)); |
| 645 |
} else { |
| 646 |
echo "<!-- GOOGLE FONTS REQUEST FAILED for $href -->" . "\n"; |
| 647 |
// inlining failed, so enqueue again |
| 648 |
wp_enqueue_style($handle, $href, array(), null); |
| 649 |
} |
| 650 |
} elseif ('async' === $this->options['gfonts_method']) { |
| 651 |
WP_Optimize_Minify_Print::async_style($href); |
| 652 |
$done = array_merge($done, array($handle)); |
| 653 |
} elseif ('exclude' === $this->options['gfonts_method']) { |
| 654 |
// make a stylesheet, hide from PageSpeedIndex |
| 655 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 656 |
$done = array_merge($done, array($handle)); |
| 657 |
} |
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
// get groups of handles |
| 662 |
foreach ($styles->to_do as $handle) { |
| 663 |
// skip already processed google fonts and empty dependencies |
| 664 |
if (isset($google_fonts[$handle]) && 'inherit' !== $this->options['gfonts_method']) { |
| 665 |
continue; |
| 666 |
} |
| 667 |
if (empty($wp_styles->registered[$handle]->src)) { |
| 668 |
continue; |
| 669 |
} |
| 670 |
if (WP_Optimize_Minify_Functions::in_arrayi($handle, $done)) { |
| 671 |
continue; |
| 672 |
} |
| 673 |
if (!isset($process[$handle])) { |
| 674 |
continue; |
| 675 |
} |
| 676 |
|
| 677 |
// get full url |
| 678 |
$href = $process[$handle]['url']; |
| 679 |
$conditional = $process[$handle]['conditional']; |
| 680 |
$mediatype = $process[$handle]['mediatype']; |
| 681 |
|
| 682 |
// IE only files don't increment things |
| 683 |
$ieonly = WP_Optimize_Minify_Functions::is_url_in_ie_blacklist($href); |
| 684 |
if ($ieonly) { |
| 685 |
continue; |
| 686 |
} |
| 687 |
|
| 688 |
$file_size = WP_Optimize_Minify_Functions::get_file_size($href); |
| 689 |
|
| 690 |
// If we can't determine file size, then we still need to proceed with normal minify process |
| 691 |
if (!apply_filters('wp_optimize_skip_inlining', false === $file_size || $file_size > 20480 || !$this->options['inline_css'], $file_size, $href)) continue; |
| 692 |
|
| 693 |
// check if the current URL points to a minified file. |
| 694 |
$exclude_minified_css = WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 695 |
$normal_processing = $exclude_minified_css && !$merge_css; |
| 696 |
// skip ignore list, conditional css, external css, font-awesome merge and already minified js |
| 697 |
if (($process_css && !$normal_processing && !WP_Optimize_Minify_Functions::in_arrayi($href, $ignore_list) && !isset($conditional) && WP_Optimize_Minify_Functions::internal_url($href, site_url())) |
| 698 |
|| empty($href) |
| 699 |
|| ($process_css && 'inherit' == $this->options['fawesome_method'] && WP_Optimize_Minify_Functions::is_font_awesome($href)) |
| 700 |
|| ($process_css && !$disable_google_fonts_processing && 'inherit' == $this->options['gfonts_method'] && WP_Optimize_Minify_Functions::is_google_font($href)) |
| 701 |
) { |
| 702 |
// colect inline css for this handle |
| 703 |
if (isset($wp_styles->registered[$handle]->extra['after']) && is_array($wp_styles->registered[$handle]->extra['after'])) { |
| 704 |
$inline_css[$handle] = WP_Optimize_Minify_Functions::minify_css_string(implode('', $wp_styles->registered[$handle]->extra['after'])); // save |
| 705 |
$wp_styles->registered[$handle]->extra['after'] = null; // dequeue |
| 706 |
} |
| 707 |
|
| 708 |
// process |
| 709 |
if (isset($header[count($header)-1]['handle']) || count($header) == 0 || $header[count($header)-1]['media'] != $mediatype || !$merge_css) { |
| 710 |
array_push($header, array('handles' => array(), 'media' => $mediatype, 'versions' => array())); |
| 711 |
} |
| 712 |
|
| 713 |
// push it to the array |
| 714 |
array_push($header[count($header)-1]['handles'], $handle); |
| 715 |
|
| 716 |
// We need this because some plugins/theme use empty array as version |
| 717 |
// https://plugins.trac.wordpress.org/browser/mailin/tags/3.1.54/sendinblue.php#L456 |
| 718 |
$version_str = is_array($wp_styles->registered[$handle]->ver) ? $this->array_to_string_conversion($wp_styles->registered[$handle]->ver) : $wp_styles->registered[$handle]->ver; |
| 719 |
array_push($header[count($header)-1]['versions'], $version_str); |
| 720 |
|
| 721 |
$header[count($header) - 1]['last_modified'][] = WP_Optimize_Minify_Functions::get_modification_time($wp_styles->registered[$handle]->src); |
| 722 |
|
| 723 |
// external and ignored css |
| 724 |
} else { |
| 725 |
// normal enqueuing |
| 726 |
array_push($header, array('handle' => $handle)); |
| 727 |
} |
| 728 |
} |
| 729 |
|
| 730 |
/** |
| 731 |
* Filters the array of stylesheets before processing them |
| 732 |
* |
| 733 |
* @param array $list - The list of items filtered |
| 734 |
* @param string $location - The location of the list (footer or header) |
| 735 |
* @return array |
| 736 |
*/ |
| 737 |
$header = apply_filters('wpo_minify_stylesheets', $header, 'header'); |
| 738 |
|
| 739 |
// loop through header css and merge |
| 740 |
for ($i=0,$l=count($header); $i<$l; $i++) { |
| 741 |
if (!isset($header[$i]['handle'])) { |
| 742 |
if ($merge_css) { |
| 743 |
// get hash for the inline css in this group |
| 744 |
$inline_css_group = array(); |
| 745 |
foreach ($header[$i]['handles'] as $h) { |
| 746 |
if (!empty($inline_css) && isset($inline_css[$h]) && !empty($inline_css[$h])) { |
| 747 |
$inline_css_group[] = $inline_css[$h]; |
| 748 |
} |
| 749 |
} |
| 750 |
$inline_css_hash = md5(implode('', $inline_css_group)); |
| 751 |
$handle_str = $this->array_to_string_conversion($header[$i]['handles']); |
| 752 |
$last_modified_str = $this->array_to_string_conversion($header[$i]['last_modified']); |
| 753 |
$hash = hash('adler32', $handle_str . $inline_css_hash . $last_modified_str); |
| 754 |
} else { |
| 755 |
$hash = implode('', $header[$i]['handles']) . implode('', $header[$i]['last_modified']); |
| 756 |
} |
| 757 |
|
| 758 |
// static cache file info |
| 759 |
$file_name = 'wpo-minify-header-'.$hash.($minify_css ? '.min' : ''); |
| 760 |
|
| 761 |
// create cache files and urls |
| 762 |
$file = $cache_dir.'/'.$file_name.'.css'; |
| 763 |
$meta_json_file = $cache_base_dir.'/'.'meta.json'; |
| 764 |
$file_url = WP_Optimize_Minify_Functions::get_protocol("$cache_dir_url/$file_name.css"); |
| 765 |
|
| 766 |
// generate a new cache file |
| 767 |
clearstatcache(); |
| 768 |
if (!file_exists($file)) { |
| 769 |
|
| 770 |
// code and log initialization |
| 771 |
$log_header = "PROCESSED on ".date('r')." from ".home_url(add_query_arg(null, null)); |
| 772 |
$log = array( |
| 773 |
'header' => $log_header, |
| 774 |
'files' => array() |
| 775 |
); |
| 776 |
$meta_log = $this->meta_log_initialization($log_header); |
| 777 |
$code = ''; |
| 778 |
|
| 779 |
// minify and write to file |
| 780 |
foreach ($header[$i]['handles'] as $handle) { |
| 781 |
if (!empty($wp_styles->registered[$handle]->src)) { |
| 782 |
|
| 783 |
// get href per handle |
| 784 |
$handle_src = $wp_styles->registered[$handle]->src; |
| 785 |
$href = WP_Optimize_Minify_Functions::get_hurl($handle_src); |
| 786 |
$version = $wp_styles->registered[$handle]->ver; |
| 787 |
$last_modified = WP_Optimize_Minify_Functions::get_modification_time($handle_src); |
| 788 |
|
| 789 |
// inlined scripts without file |
| 790 |
if (empty($href)) continue; |
| 791 |
|
| 792 |
// download, minify, cache |
| 793 |
$tkey = 'css-'.hash('adler32', $handle . $href).'.css'; |
| 794 |
$json = false; |
| 795 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 796 |
if (false === $json) { |
| 797 |
$enable_minification = $this->options['enable_css_minification'] && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 798 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, 'css', $handle, $version); |
| 799 |
if ($this->options['debug']) { |
| 800 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href / $version -->" . "\n"; |
| 801 |
} |
| 802 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 803 |
} |
| 804 |
|
| 805 |
// decode |
| 806 |
$res = json_decode($json, true); |
| 807 |
|
| 808 |
if (null === $res) continue; |
| 809 |
|
| 810 |
if ($this->should_reset_minify_assets($res, $href, 'css', $handle, $version)) { |
| 811 |
WP_Optimize_Minify_Cache_Functions::reset(); |
| 812 |
$this->minify_cache_incremented = true; |
| 813 |
$meta_log['invalidation_reason'] = 'Checksum Mismatch and version changed from ' . $res['request']['version'] . ' to ' . $version; |
| 814 |
$meta_log['files_that_changed'][$handle] = $res['log']; |
| 815 |
} |
| 816 |
|
| 817 |
// response has failed |
| 818 |
if (true != $res['status']) { |
| 819 |
$log['files'][$handle] = $res['log']; |
| 820 |
$log['files'][$handle]['version'] = $version; |
| 821 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 822 |
continue; |
| 823 |
} |
| 824 |
|
| 825 |
// Only add the $handle to $done if it was successfully downloaded |
| 826 |
$done[] = $handle; |
| 827 |
// append code to merged file |
| 828 |
$code .= isset($res['code']) ? $res['code'] : ''; |
| 829 |
$log['files'][$handle] = $res['log']; |
| 830 |
$log['files'][$handle]['version'] = $version; |
| 831 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 832 |
|
| 833 |
// append inlined styles |
| 834 |
if ($merge_inline_extra_css_js && isset($inline_css[$handle]) && !empty($inline_css[$handle])) { |
| 835 |
$code.= $inline_css[$handle]; |
| 836 |
} |
| 837 |
|
| 838 |
// consider dependencies on handles with an empty src |
| 839 |
} else { |
| 840 |
wp_dequeue_script($handle); |
| 841 |
wp_enqueue_script($handle); |
| 842 |
} |
| 843 |
}; |
| 844 |
|
| 845 |
// generate cache, write log |
| 846 |
if (!empty($code)) { |
| 847 |
// Only generate meta.json file if cache is reset |
| 848 |
if (!empty($meta_log['invalidation_reason'])) { |
| 849 |
file_put_contents($meta_json_file, json_encode($meta_log)); |
| 850 |
} |
| 851 |
WP_Optimize_Minify_Print::write_combined_asset($file, $code, $log); |
| 852 |
} |
| 853 |
} else { |
| 854 |
$log_file = $file.'.json'; |
| 855 |
if (file_exists($log_file)) { |
| 856 |
$saved_log = json_decode(file_get_contents($log_file)); |
| 857 |
if (is_object($saved_log) && property_exists($saved_log, 'files')) { |
| 858 |
$files = (array) $saved_log->files; |
| 859 |
foreach ($header[$i]['handles'] as $handle) { |
| 860 |
$handle = is_array($handle) ? '' : $handle; |
| 861 |
if (isset($files[$handle]) && $files[$handle]->success) { |
| 862 |
$done[] = $handle; |
| 863 |
} |
| 864 |
} |
| 865 |
} else { |
| 866 |
// The merged file already exists, so add all files to $done. |
| 867 |
$done = array_merge($done, $header[$i]['handles']); |
| 868 |
} |
| 869 |
} else { |
| 870 |
// The merged file already exists, so add all files to $done. |
| 871 |
$done = array_merge($done, $header[$i]['handles']); |
| 872 |
} |
| 873 |
} |
| 874 |
|
| 875 |
// the developers tab, takes precedence |
| 876 |
// Async CSS with loadCSS ? |
| 877 |
if ($this->options['loadcss'] && empty($this->options['remove_css'])) { |
| 878 |
$mt = $header[$i]['media']; |
| 879 |
WP_Optimize_Minify_Print::async_style($file_url, $mt); |
| 880 |
// enqueue file, if not empty |
| 881 |
} else { |
| 882 |
if (file_exists($file) && filesize($file) > 0) { |
| 883 |
// enqueue it |
| 884 |
wp_enqueue_style("wpo_min-header-$i", $file_url, array(), 'mycoolversion', $header[$i]['media']); |
| 885 |
foreach ($header[$i]['handles'] as $h) { |
| 886 |
if (!$merge_inline_extra_css_js && isset($inline_css[$h]) && !empty($inline_css[$h])) { |
| 887 |
wp_add_inline_style("wpo_min-header-$i", $inline_css[$h]); |
| 888 |
} |
| 889 |
} |
| 890 |
} else { |
| 891 |
// file could not be generated, output something meaningful |
| 892 |
echo "<!-- ERROR: WP-Optimize Minify was not allowed to save its cache on - ".str_replace(ABSPATH, '', $file)." -->"; |
| 893 |
echo "<!-- Please check if the path above is correct and ensure your server has write permission there! -->"; |
| 894 |
} |
| 895 |
} |
| 896 |
// other css need to be requeued for the order of files to be kept |
| 897 |
} else { |
| 898 |
wp_dequeue_style($header[$i]['handle']); |
| 899 |
wp_enqueue_style($header[$i]['handle']); |
| 900 |
} |
| 901 |
} |
| 902 |
|
| 903 |
// remove from queue |
| 904 |
$wp_styles->done = $done; |
| 905 |
return true; |
| 906 |
} |
| 907 |
|
| 908 |
/** |
| 909 |
* Process JS in the footer |
| 910 |
* |
| 911 |
* @return void |
| 912 |
*/ |
| 913 |
public function process_footer_scripts() { |
| 914 |
global $wp_scripts; |
| 915 |
if (!is_object($wp_scripts)) { |
| 916 |
return; |
| 917 |
} |
| 918 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 919 |
$cache_base_dir = $cache_path['cachebasedir']; |
| 920 |
$cache_dir = $cache_path['cachedir']; |
| 921 |
$cache_dir_url = $cache_path['cachedirurl']; |
| 922 |
|
| 923 |
|
| 924 |
$exclude_js = $this->get_excluded_js_list(); |
| 925 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_js); |
| 926 |
$async_js = $this->get_async_js_list(); |
| 927 |
$scripts = clone $wp_scripts; |
| 928 |
$scripts->all_deps($scripts->queue); |
| 929 |
$footer = array(); |
| 930 |
$minify_js = $this->options['enable_js_minification']; |
| 931 |
$merge_js = $this->options['enable_merging_of_js']; |
| 932 |
$process_js = $minify_js || $merge_js; |
| 933 |
$merge_inline_extra_css_js = $this->options['merge_inline_extra_css_js']; |
| 934 |
|
| 935 |
// mark as done (as we go) |
| 936 |
$done = $scripts->done; |
| 937 |
|
| 938 |
$previous_load_strategy = null; |
| 939 |
|
| 940 |
// get groups of handles |
| 941 |
foreach ($scripts->to_do as $handle) : |
| 942 |
|
| 943 |
// get full url |
| 944 |
$href = WP_Optimize_Minify_Functions::get_hurl($wp_scripts->registered[$handle]->src); |
| 945 |
|
| 946 |
// inlined scripts without file |
| 947 |
if (empty($href)) { |
| 948 |
continue; |
| 949 |
} |
| 950 |
|
| 951 |
// Exclude JS files from PageSpeedIndex (Async) takes priority over the ignore list |
| 952 |
if (false != $async_js || is_array($async_js)) { |
| 953 |
|
| 954 |
// check for string match |
| 955 |
$skipjs = false; |
| 956 |
foreach ($async_js as $l) { |
| 957 |
if (stripos($href, $l) !== false) { |
| 958 |
// print code if there are no linebreaks, or return |
| 959 |
WP_Optimize_Minify_Print::async_script($href); |
| 960 |
$skipjs = true; |
| 961 |
$done = array_merge($done, array($handle)); |
| 962 |
break; |
| 963 |
} |
| 964 |
} |
| 965 |
if (false != $skipjs) { |
| 966 |
continue; |
| 967 |
} |
| 968 |
} |
| 969 |
|
| 970 |
// IE only files don't increment things |
| 971 |
$ieonly = WP_Optimize_Minify_Functions::is_url_in_ie_blacklist($href); |
| 972 |
if ($ieonly) { |
| 973 |
continue; |
| 974 |
} |
| 975 |
|
| 976 |
// check if the current URL points to a minified file. |
| 977 |
$exclude_minified_js = WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 978 |
$normal_processing = $exclude_minified_js && !$merge_js; |
| 979 |
|
| 980 |
// skip ignore list, scripts with conditionals, external scripts |
| 981 |
if (($process_js && !$normal_processing && !WP_Optimize_Minify_Functions::in_arrayi($href, $ignore_list) && !isset($wp_scripts->registered[$handle]->extra["conditional"]) && WP_Optimize_Minify_Functions::internal_url($href, site_url())) |
| 982 |
|| empty($href) |
| 983 |
) { |
| 984 |
|
| 985 |
// process |
| 986 |
if (isset($footer[count($footer)-1]['handle']) |
| 987 |
|| !count($footer) |
| 988 |
|| !$merge_js |
| 989 |
|| (isset($scripts->registered[$handle]->extra['strategy']) && $previous_load_strategy != $scripts->registered[$handle]->extra['strategy']) |
| 990 |
|| (!isset($scripts->registered[$handle]->extra['strategy']) && null != $previous_load_strategy) |
| 991 |
) { |
| 992 |
array_push($footer, array('handles' => array(), 'versions' => array())); |
| 993 |
} |
| 994 |
|
| 995 |
if (isset($wp_scripts->registered[$handle]->extra['before'])) { |
| 996 |
if (!empty($footer[count($footer)-1]['handles'])) { |
| 997 |
array_push($footer, array('handles' => array(), 'versions' => array())); |
| 998 |
} |
| 999 |
} |
| 1000 |
|
| 1001 |
// push it to the array |
| 1002 |
array_push($footer[count($footer)-1]['handles'], $handle); |
| 1003 |
array_push($footer[count($footer)-1]['versions'], $wp_scripts->registered[$handle]->ver); |
| 1004 |
|
| 1005 |
// Register strategy if it is used |
| 1006 |
if (isset($scripts->registered[$handle]->extra['strategy'])) $footer[count($footer)-1]['strategy'] = $scripts->registered[$handle]->extra['strategy']; |
| 1007 |
|
| 1008 |
$footer[count($footer) - 1]['last_modified'][] = WP_Optimize_Minify_Functions::get_modification_time($wp_scripts->registered[$handle]->src); |
| 1009 |
// external and ignored scripts |
| 1010 |
|
| 1011 |
if (isset($scripts->registered[$handle]->extra['strategy'])) { |
| 1012 |
$previous_load_strategy = $scripts->registered[$handle]->extra['strategy']; |
| 1013 |
} else { |
| 1014 |
$previous_load_strategy = null; |
| 1015 |
} |
| 1016 |
|
| 1017 |
} else { |
| 1018 |
array_push($footer, array('handle' => $handle)); |
| 1019 |
} |
| 1020 |
endforeach; |
| 1021 |
|
| 1022 |
// loop through footer scripts and merge |
| 1023 |
for ($i=0,$l=count($footer); $i<$l; $i++) { |
| 1024 |
if (!isset($footer[$i]['handle'])) { |
| 1025 |
|
| 1026 |
if ($merge_js) { |
| 1027 |
// Change the hash based on last modified timestamp |
| 1028 |
$hash = hash('adler32', implode('', $footer[$i]['handles']) . implode('', $footer[$i]['last_modified'])); |
| 1029 |
} else { |
| 1030 |
$hash = implode('', $footer[$i]['handles']) . implode('', $footer[$i]['last_modified']); |
| 1031 |
} |
| 1032 |
|
| 1033 |
// static cache file info |
| 1034 |
$file_name = 'wpo-minify-footer-'.$hash.($minify_js ? '.min' : ''); |
| 1035 |
|
| 1036 |
// create cache files and urls |
| 1037 |
$file = $cache_dir.'/'.$file_name.'.js'; |
| 1038 |
$meta_json_file = $cache_base_dir.'/'.'meta.json'; |
| 1039 |
$file_url = WP_Optimize_Minify_Functions::get_protocol($cache_dir_url.'/'.$file_name.'.js'); |
| 1040 |
|
| 1041 |
// generate a new cache file |
| 1042 |
clearstatcache(); |
| 1043 |
if (!file_exists($file)) { |
| 1044 |
|
| 1045 |
// code and log initialization |
| 1046 |
$log_header = "PROCESSED on ".date('r')." from ".home_url(add_query_arg(null, null)); |
| 1047 |
$log = array( |
| 1048 |
'header' => $log_header, |
| 1049 |
'files' => array() |
| 1050 |
); |
| 1051 |
$meta_log = $this->meta_log_initialization($log_header); |
| 1052 |
$before_code = ''; |
| 1053 |
$code = ''; |
| 1054 |
$after_code = ''; |
| 1055 |
|
| 1056 |
// minify and write to file |
| 1057 |
foreach ($footer[$i]['handles'] as $handle) : |
| 1058 |
if (!empty($wp_scripts->registered[$handle]->src)) { |
| 1059 |
// only add minified scripts once to the bundle |
| 1060 |
if (in_array($handle, $done)) continue; |
| 1061 |
|
| 1062 |
// get href per handle |
| 1063 |
$handle_src = $wp_scripts->registered[$handle]->src; |
| 1064 |
$href = WP_Optimize_Minify_Functions::get_hurl($handle_src); |
| 1065 |
$version = $wp_scripts->registered[$handle]->ver; |
| 1066 |
$last_modified = WP_Optimize_Minify_Functions::get_modification_time($handle_src); |
| 1067 |
// inlined scripts without file |
| 1068 |
if (empty($href)) { |
| 1069 |
continue; |
| 1070 |
} |
| 1071 |
// download, minify, cache |
| 1072 |
$tkey = 'js-'.hash('adler32', $handle . $href).'.js'; |
| 1073 |
$json = false; |
| 1074 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 1075 |
if (false === $json) { |
| 1076 |
$enable_minification = $minify_js && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 1077 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, 'js', $handle, $version); |
| 1078 |
if ($this->options['debug']) { |
| 1079 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href / $version -->\n"; |
| 1080 |
} |
| 1081 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 1082 |
} |
| 1083 |
|
| 1084 |
// decode |
| 1085 |
$res = json_decode($json, true); |
| 1086 |
|
| 1087 |
if (null === $res) continue; |
| 1088 |
|
| 1089 |
if ($this->should_reset_minify_assets($res, $href, 'js', $handle, $version)) { |
| 1090 |
WP_Optimize_Minify_Cache_Functions::reset(); |
| 1091 |
$this->minify_cache_incremented = true; |
| 1092 |
$meta_log['invalidation_reason'] = 'Checksum Mismatch and version changed from ' . $res['request']['version'] . ' to ' . $version; |
| 1093 |
$meta_log['files_that_changed'][$handle] = $res['log']; |
| 1094 |
} |
| 1095 |
|
| 1096 |
// response has failed |
| 1097 |
if (true != $res['status']) { |
| 1098 |
$log['files'][$handle] = $res['log']; |
| 1099 |
$log['files'][$handle]['uses_loading_strategy'] = isset($footer[$i]['strategy']); |
| 1100 |
$log['files'][$handle]['version'] = $version; |
| 1101 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1102 |
continue; |
| 1103 |
} |
| 1104 |
|
| 1105 |
$done[] = $handle; |
| 1106 |
// Add extra data from wp_add_inline_script before |
| 1107 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1108 |
if (!empty($wp_scripts->registered[$handle]->extra['before']) && is_array($wp_scripts->registered[$handle]->extra['before'])) { |
| 1109 |
if ($merge_inline_extra_css_js) { |
| 1110 |
$before_code .= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['before'])); |
| 1111 |
} |
| 1112 |
} |
| 1113 |
} |
| 1114 |
|
| 1115 |
// Add translation |
| 1116 |
if (!empty($wp_scripts->registered[$handle]->textdomain)) { |
| 1117 |
$code .= "\n" . $wp_scripts->print_translations($handle, false); |
| 1118 |
} |
| 1119 |
|
| 1120 |
// Add extra data from wp_add_inline_script after |
| 1121 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1122 |
if (!empty($wp_scripts->registered[$handle]->extra['after']) && is_array($wp_scripts->registered[$handle]->extra['after'])) { |
| 1123 |
if ($merge_inline_extra_css_js) { |
| 1124 |
$after_code .= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['after'])); |
| 1125 |
} |
| 1126 |
} |
| 1127 |
} |
| 1128 |
|
| 1129 |
// append code to merged file |
| 1130 |
$code .= $before_code . "\n"; |
| 1131 |
$code .= isset($res['code']) ? $res['code'] : ''; |
| 1132 |
$code .= "\n" . $after_code . "\n"; |
| 1133 |
$code = WP_Optimize_Minify_Functions::prepare_merged_js($code, $href); |
| 1134 |
$log['files'][$handle] = $res['log']; |
| 1135 |
$log['files'][$handle]['uses_loading_strategy'] = isset($footer[$i]['strategy']); |
| 1136 |
$log['files'][$handle]['version'] = $version; |
| 1137 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1138 |
|
| 1139 |
// consider dependencies on handles with an empty src |
| 1140 |
} else { |
| 1141 |
wp_dequeue_script($handle); |
| 1142 |
wp_enqueue_script($handle); |
| 1143 |
} |
| 1144 |
endforeach; |
| 1145 |
|
| 1146 |
// generate cache, write log |
| 1147 |
if (!empty($code)) { |
| 1148 |
// Only generate meta.json file if cache is reset |
| 1149 |
if (!empty($meta_log['invalidation_reason'])) { |
| 1150 |
file_put_contents($meta_json_file, json_encode($meta_log)); |
| 1151 |
} |
| 1152 |
WP_Optimize_Minify_Print::write_combined_asset($file, $code, $log); |
| 1153 |
} |
| 1154 |
} else { |
| 1155 |
$log_file = $file.'.json'; |
| 1156 |
if (file_exists($log_file)) { |
| 1157 |
$saved_log = json_decode(file_get_contents($log_file)); |
| 1158 |
if (is_object($saved_log) && property_exists($saved_log, 'files')) { |
| 1159 |
$files = (array) $saved_log->files; |
| 1160 |
foreach ($footer[$i]['handles'] as $handle) { |
| 1161 |
if (isset($files[$handle]) && $files[$handle]->success) { |
| 1162 |
$done[] = $handle; |
| 1163 |
} |
| 1164 |
} |
| 1165 |
} else { |
| 1166 |
// The merged file already exists, so add all files to $done. |
| 1167 |
$done = array_merge($done, $footer[$i]['handles']); |
| 1168 |
} |
| 1169 |
} else { |
| 1170 |
// The merged file already exists, so add all files to $done. |
| 1171 |
$done = array_merge($done, $footer[$i]['handles']); |
| 1172 |
} |
| 1173 |
} |
| 1174 |
|
| 1175 |
// register minified file |
| 1176 |
wp_register_script("wpo_min-footer-$i", $file_url, array(), null, false); |
| 1177 |
|
| 1178 |
// add all extra data from wp_localize_script |
| 1179 |
$before_code = ''; |
| 1180 |
$data = array(); |
| 1181 |
$after_code = ''; |
| 1182 |
|
| 1183 |
foreach ($footer[$i]['handles'] as $handle) { |
| 1184 |
if (isset($wp_scripts->registered[$handle]->extra['data'])) { |
| 1185 |
$data[] = $wp_scripts->registered[$handle]->extra['data']; |
| 1186 |
} |
| 1187 |
// Add extra data from wp_add_inline_script before |
| 1188 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1189 |
if (!empty($wp_scripts->registered[$handle]->extra['before']) && is_array($wp_scripts->registered[$handle]->extra['before'])) { |
| 1190 |
if (!$merge_inline_extra_css_js) { |
| 1191 |
$before_code.= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['before'])) . "\n"; |
| 1192 |
} |
| 1193 |
} |
| 1194 |
if (!empty($wp_scripts->registered[$handle]->extra['after']) && is_array($wp_scripts->registered[$handle]->extra['after'])) { |
| 1195 |
if (!$merge_inline_extra_css_js) { |
| 1196 |
$after_code.= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['after'])) . "\n"; |
| 1197 |
} |
| 1198 |
} |
| 1199 |
} |
| 1200 |
} |
| 1201 |
if (count($data) > 0) { |
| 1202 |
$wp_scripts->registered["wpo_min-footer-$i"]->extra['data'] = implode("\n", $data); |
| 1203 |
} |
| 1204 |
|
| 1205 |
// enqueue file, if not empty |
| 1206 |
if (file_exists($file) && (filesize($file) > 0 || count($data) > 0)) { |
| 1207 |
if (!empty($before_code)) { |
| 1208 |
wp_add_inline_script("wpo_min-footer-$i", $before_code, 'before'); |
| 1209 |
} |
| 1210 |
wp_enqueue_script("wpo_min-footer-$i"); |
| 1211 |
if (!empty($after_code)) { |
| 1212 |
wp_add_inline_script("wpo_min-footer-$i", $after_code, 'after'); |
| 1213 |
} |
| 1214 |
|
| 1215 |
if (isset($footer[$i]['strategy'])) { |
| 1216 |
// Backward compatible way of doing this |
| 1217 |
wp_script_add_data( "wpo_min-footer-$i", 'strategy', $footer[$i]['strategy']); |
| 1218 |
} |
| 1219 |
} else { |
| 1220 |
// file could not be generated, output something meaningful |
| 1221 |
echo "<!-- ERROR: WP-Optimize Minify was not allowed to save its cache on - ".str_replace(ABSPATH, '', $file)." -->"; |
| 1222 |
echo "<!-- Please check if the path above is correct and ensure your server has write permission there! -->"; |
| 1223 |
} |
| 1224 |
|
| 1225 |
// other scripts need to be requeued for the order of files to be kept |
| 1226 |
} else { |
| 1227 |
wp_dequeue_script($footer[$i]['handle']); |
| 1228 |
wp_enqueue_script($footer[$i]['handle']); |
| 1229 |
} |
| 1230 |
} |
| 1231 |
|
| 1232 |
// remove from queue |
| 1233 |
$wp_scripts->done = $done; |
| 1234 |
} |
| 1235 |
|
| 1236 |
/** |
| 1237 |
* Process header JavaScript |
| 1238 |
* Dependant on 'enable_js' option |
| 1239 |
* |
| 1240 |
* @return void |
| 1241 |
*/ |
| 1242 |
public function process_header_scripts() { |
| 1243 |
global $wp_scripts; |
| 1244 |
if (!is_object($wp_scripts)) return; |
| 1245 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 1246 |
$cache_base_dir = $cache_path['cachebasedir']; |
| 1247 |
$cache_dir = $cache_path['cachedir']; |
| 1248 |
$cache_dir_url = $cache_path['cachedirurl']; |
| 1249 |
$exclude_js = $this->get_excluded_js_list(); |
| 1250 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_js); |
| 1251 |
$async_js = $this->get_async_js_list(); |
| 1252 |
$scripts = clone $wp_scripts; |
| 1253 |
$scripts->all_deps($scripts->queue); |
| 1254 |
$minify_js = $this->options['enable_js_minification']; |
| 1255 |
$merge_js = $this->options['enable_merging_of_js']; |
| 1256 |
$process_js = $minify_js || $merge_js; |
| 1257 |
$merge_inline_extra_css_js = $this->options['merge_inline_extra_css_js']; |
| 1258 |
$header = array(); |
| 1259 |
// mark as done (as we go) |
| 1260 |
$done = $scripts->done; |
| 1261 |
$excluded_dependencies = array(); |
| 1262 |
|
| 1263 |
$previous_load_strategy = null; |
| 1264 |
|
| 1265 |
// Prepare and separate assets (get groups of handles) |
| 1266 |
foreach ($scripts->to_do as $handle) { |
| 1267 |
// get full url |
| 1268 |
$href = WP_Optimize_Minify_Functions::get_hurl($wp_scripts->registered[$handle]->src); |
| 1269 |
// inlined scripts without file |
| 1270 |
if (empty($href)) { |
| 1271 |
wp_enqueue_script($handle, false); |
| 1272 |
continue; |
| 1273 |
} |
| 1274 |
|
| 1275 |
// Only go through items without a group |
| 1276 |
if (!$scripts->groups[$handle]) { |
| 1277 |
// Exclude JS files from PageSpeedIndex (Async) takes priority over the ignore list |
| 1278 |
// check for string match |
| 1279 |
$skipjs = false; |
| 1280 |
foreach ($async_js as $l) { |
| 1281 |
if (stripos($href, $l) !== false) { |
| 1282 |
WP_Optimize_Minify_Print::async_script($href); |
| 1283 |
$skipjs = true; |
| 1284 |
$done = array_merge($done, array($handle)); |
| 1285 |
break; |
| 1286 |
} |
| 1287 |
} |
| 1288 |
// IE only files don't increment things |
| 1289 |
if ($skipjs |
| 1290 |
|| WP_Optimize_Minify_Functions::is_url_in_ie_blacklist($href) |
| 1291 |
) { |
| 1292 |
continue; |
| 1293 |
} |
| 1294 |
|
| 1295 |
// Skip jQuery from the merged files if deferring is ENABLED and defer_jquery is DISABLED |
| 1296 |
if ('all' === $this->options['enable_defer_js'] |
| 1297 |
&& !$this->options['defer_jquery'] |
| 1298 |
&& (false !== stripos($href, '/jquery.js') |
| 1299 |
|| false !== stripos($href, '/jquery.min.js') |
| 1300 |
|| (false !== stripos($href, '/jquery-') && false !== stripos($href, '.js'))) |
| 1301 |
) { |
| 1302 |
continue; |
| 1303 |
} |
| 1304 |
|
| 1305 |
// check if the current URL points to a minified file. |
| 1306 |
$exclude_minified_js = WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 1307 |
$normal_processing = $exclude_minified_js && !$merge_js; |
| 1308 |
|
| 1309 |
// Group handles - skip ignore list, scripts with conditionals, external scripts |
| 1310 |
if (($process_js && !$normal_processing && !WP_Optimize_Minify_Functions::in_arrayi($href, $ignore_list) && !isset($wp_scripts->registered[$handle]->extra["conditional"]) && WP_Optimize_Minify_Functions::internal_url($href, site_url())) |
| 1311 |
|| empty($href) |
| 1312 |
) { |
| 1313 |
// process |
| 1314 |
if (isset($header[count($header)-1]['handle']) |
| 1315 |
|| !count($header) |
| 1316 |
|| !$merge_js |
| 1317 |
|| (isset($scripts->registered[$handle]->extra['strategy']) && $previous_load_strategy != $scripts->registered[$handle]->extra['strategy']) |
| 1318 |
|| (!isset($scripts->registered[$handle]->extra['strategy']) && null != $previous_load_strategy) |
| 1319 |
) { |
| 1320 |
array_push($header, array('handles' => array(), 'versions' => array())); |
| 1321 |
} |
| 1322 |
|
| 1323 |
// Force loading of dependencies |
| 1324 |
foreach ($wp_scripts->registered[$handle]->deps as $dep) { |
| 1325 |
// If the handle is not present in $done yet, or excluded, enqueue it. |
| 1326 |
$dep_href = WP_Optimize_Minify_Functions::get_hurl($wp_scripts->registered[$dep]->src); |
| 1327 |
if (!in_array($dep, $done) && !WP_Optimize_Minify_Functions::in_arrayi($dep_href, $ignore_list)) { |
| 1328 |
// Include any dependency |
| 1329 |
array_push($header[count($header)-1]['handles'], $dep); |
| 1330 |
array_push($header[count($header)-1]['versions'], $wp_scripts->registered[$dep]->ver); |
| 1331 |
} elseif (!in_array($dep, $done) && WP_Optimize_Minify_Functions::in_arrayi($dep_href, $ignore_list)) { |
| 1332 |
// The dependency is in the exclude list |
| 1333 |
array_push($header, array('handle' => $dep)); |
| 1334 |
// Record dependency to be added to the minified script as dependency array |
| 1335 |
if (isset($excluded_dependencies[count($header)])) { |
| 1336 |
$excluded_dependencies[count($header)][] = $dep; |
| 1337 |
} else { |
| 1338 |
$excluded_dependencies[count($header)] = array($dep); |
| 1339 |
} |
| 1340 |
// Adds the 'handles' record for the main script |
| 1341 |
array_push($header, array('handles' => array(), 'versions' => array())); |
| 1342 |
} |
| 1343 |
} |
| 1344 |
|
| 1345 |
if (isset($wp_scripts->registered[$handle]->extra['before'])) { |
| 1346 |
if (!empty($header[count($header)-1]['handles'])) { |
| 1347 |
array_push($header, array('handles' => array(), 'versions' => array())); |
| 1348 |
} |
| 1349 |
} |
| 1350 |
|
| 1351 |
// push it to the array |
| 1352 |
array_push($header[count($header)-1]['handles'], $handle); |
| 1353 |
array_push($header[count($header)-1]['versions'], $scripts->registered[$handle]->ver); |
| 1354 |
$header[count($header) - 1]['last_modified'][] = WP_Optimize_Minify_Functions::get_modification_time($wp_scripts->registered[$handle]->src); |
| 1355 |
|
| 1356 |
// Register strategy if it is used |
| 1357 |
if (isset($scripts->registered[$handle]->extra['strategy'])) $header[count($header)-1]['strategy'] = $scripts->registered[$handle]->extra['strategy']; |
| 1358 |
|
| 1359 |
if (isset($scripts->registered[$handle]->extra['strategy'])) { |
| 1360 |
$previous_load_strategy = $scripts->registered[$handle]->extra['strategy']; |
| 1361 |
} else { |
| 1362 |
$previous_load_strategy = null; |
| 1363 |
} |
| 1364 |
|
| 1365 |
|
| 1366 |
// external and ignored scripts |
| 1367 |
} else { |
| 1368 |
// add the ignored assets |
| 1369 |
array_push($header, array('handle' => $handle)); |
| 1370 |
} |
| 1371 |
|
| 1372 |
// make sure that the scripts skipped here, show up in the footer |
| 1373 |
} else { |
| 1374 |
wp_enqueue_script($handle, $href, array(), null, true); |
| 1375 |
} |
| 1376 |
} |
| 1377 |
|
| 1378 |
// loop through header scripts and merge |
| 1379 |
for ($i=0,$l=count($header); $i < $l; $i++) { |
| 1380 |
if (!isset($header[$i]['handle'])) { |
| 1381 |
|
| 1382 |
if ($merge_js) { |
| 1383 |
$hash = hash('adler32', implode('', $header[$i]['handles']) . implode('', $header[$i]['last_modified'])); |
| 1384 |
} else { |
| 1385 |
$hash = implode('', $header[$i]['handles']) . implode('', $header[$i]['last_modified']); |
| 1386 |
} |
| 1387 |
|
| 1388 |
// static cache file info |
| 1389 |
$file_name = 'wpo-minify-header-'.$hash.($minify_js ? '.min' : ''); |
| 1390 |
// create cache files and urls |
| 1391 |
$file = $cache_dir.'/'.$file_name.'.js'; |
| 1392 |
$meta_json_file = $cache_base_dir.'/'.'meta.json'; |
| 1393 |
$file_url = WP_Optimize_Minify_Functions::get_protocol($cache_dir_url.'/'.$file_name.'.js'); |
| 1394 |
|
| 1395 |
// generate a new cache file |
| 1396 |
clearstatcache(); |
| 1397 |
if (!file_exists($file)) { |
| 1398 |
|
| 1399 |
// code and log initialization |
| 1400 |
$log_header = "PROCESSED on ".date('r')." from ".home_url(add_query_arg(null, null)); |
| 1401 |
$log = array( |
| 1402 |
'header' => $log_header, |
| 1403 |
'files' => array() |
| 1404 |
); |
| 1405 |
$meta_log = $this->meta_log_initialization($log_header); |
| 1406 |
$before_code = ''; |
| 1407 |
$code = ''; |
| 1408 |
$after_code = ''; |
| 1409 |
|
| 1410 |
// minify and write to file |
| 1411 |
foreach ($header[$i]['handles'] as $handle) { |
| 1412 |
if (!empty($wp_scripts->registered[$handle]->src)) { |
| 1413 |
// only add minified scripts once to the bundle |
| 1414 |
if (in_array($handle, $done)) continue; |
| 1415 |
|
| 1416 |
// get href per handle |
| 1417 |
$handle_src = $wp_scripts->registered[$handle]->src; |
| 1418 |
$href = WP_Optimize_Minify_Functions::get_hurl($handle_src); |
| 1419 |
$version = $wp_scripts->registered[$handle]->ver; |
| 1420 |
$last_modified = WP_Optimize_Minify_Functions::get_modification_time($handle_src); |
| 1421 |
if (empty($href)) continue; |
| 1422 |
// download, minify, cache |
| 1423 |
$tkey = 'js-'.hash('adler32', $handle . $href).'.js'; |
| 1424 |
$json = false; |
| 1425 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 1426 |
if (false === $json) { |
| 1427 |
$enable_minification = $minify_js && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 1428 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, 'js', $handle, $version); |
| 1429 |
if ($this->options['debug']) { |
| 1430 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href / $version -->" . "\n"; |
| 1431 |
} |
| 1432 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 1433 |
} |
| 1434 |
|
| 1435 |
// decode |
| 1436 |
$res = json_decode($json, true); |
| 1437 |
|
| 1438 |
if (null === $res) continue; |
| 1439 |
|
| 1440 |
if ($this->should_reset_minify_assets($res, $href, 'js', $handle, $version)) { |
| 1441 |
WP_Optimize_Minify_Cache_Functions::reset(); |
| 1442 |
$this->minify_cache_incremented = true; |
| 1443 |
$meta_log['invalidation_reason'] = 'Checksum Mismatch and version changed from ' . $res['request']['version'] . ' to ' . $version; |
| 1444 |
$meta_log['files_that_changed'][$handle] = $res['log']; |
| 1445 |
} |
| 1446 |
|
| 1447 |
// response has failed |
| 1448 |
if (true != $res['status']) { |
| 1449 |
$log['files'][$handle] = $res['log']; |
| 1450 |
$log['files'][$handle]['uses_loading_strategy'] = isset($header[$i]['strategy']); |
| 1451 |
$log['files'][$handle]['version'] = $version; |
| 1452 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1453 |
continue; |
| 1454 |
} |
| 1455 |
|
| 1456 |
// Add extra data from wp_add_inline_script before |
| 1457 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1458 |
if (!empty($wp_scripts->registered[$handle]->extra['before']) && is_array($wp_scripts->registered[$handle]->extra['before'])) { |
| 1459 |
if ($merge_inline_extra_css_js) { |
| 1460 |
$before_code .= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['before'])); |
| 1461 |
} |
| 1462 |
} |
| 1463 |
} |
| 1464 |
|
| 1465 |
// Only add the $handle to $done if it was successfully downloaded |
| 1466 |
$done[] = $handle; |
| 1467 |
|
| 1468 |
// Add translations |
| 1469 |
if (!empty($wp_scripts->registered[$handle]->textdomain)) { |
| 1470 |
$code .= "\n" . $wp_scripts->print_translations($handle, false); |
| 1471 |
} |
| 1472 |
|
| 1473 |
// Add extra data from wp_add_inline_script after |
| 1474 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1475 |
if (!empty($wp_scripts->registered[$handle]->extra['after']) && is_array($wp_scripts->registered[$handle]->extra['after'])) { |
| 1476 |
if ($merge_inline_extra_css_js) { |
| 1477 |
$after_code.= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['after'])); |
| 1478 |
} |
| 1479 |
} |
| 1480 |
} |
| 1481 |
|
| 1482 |
// append code to merged file |
| 1483 |
$code .= $before_code . "\n"; |
| 1484 |
$code .= isset($res['code']) ? $res['code'] : ''; |
| 1485 |
$code .= "\n" . $after_code . "\n"; |
| 1486 |
$code = WP_Optimize_Minify_Functions::prepare_merged_js($code, $href); |
| 1487 |
$log['files'][$handle] = $res['log']; |
| 1488 |
$log['files'][$handle]['uses_loading_strategy'] = isset($header[$i]['strategy']); |
| 1489 |
$log['files'][$handle]['version'] = $version; |
| 1490 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1491 |
|
| 1492 |
// consider dependencies on handles with an empty src |
| 1493 |
} else { |
| 1494 |
wp_dequeue_script($handle); |
| 1495 |
wp_enqueue_script($handle); |
| 1496 |
} |
| 1497 |
} |
| 1498 |
|
| 1499 |
// generate cache, write log |
| 1500 |
if (!empty($code)) { |
| 1501 |
// Only generate meta.json file if cache is reset |
| 1502 |
if (!empty($meta_log['invalidation_reason'])) { |
| 1503 |
file_put_contents($meta_json_file, json_encode($meta_log)); |
| 1504 |
} |
| 1505 |
WP_Optimize_Minify_Print::write_combined_asset($file, $code, $log); |
| 1506 |
} |
| 1507 |
} else { |
| 1508 |
$log_file = $file.'.json'; |
| 1509 |
if (file_exists($log_file)) { |
| 1510 |
$saved_log = json_decode(file_get_contents($log_file)); |
| 1511 |
if (is_object($saved_log) && property_exists($saved_log, 'files')) { |
| 1512 |
$files = (array) $saved_log->files; |
| 1513 |
foreach ($header[$i]['handles'] as $handle) { |
| 1514 |
$handle = is_array($handle) ? '' : $handle; |
| 1515 |
if (isset($files[$handle]) && $files[$handle]->success) { |
| 1516 |
$done[] = $handle; |
| 1517 |
} |
| 1518 |
} |
| 1519 |
} else { |
| 1520 |
// The merged file already exists, so add all files to $done. |
| 1521 |
$done = array_merge($done, $header[$i]['handles']); |
| 1522 |
} |
| 1523 |
} else { |
| 1524 |
// The merged file already exists, so add all files to $done. |
| 1525 |
$done = array_merge($done, $header[$i]['handles']); |
| 1526 |
} |
| 1527 |
} |
| 1528 |
|
| 1529 |
// register minified file |
| 1530 |
$dependencies = isset($excluded_dependencies[$i]) ? $excluded_dependencies[$i] : array(); |
| 1531 |
wp_register_script("wpo_min-header-$i", $file_url, $dependencies, null, false); |
| 1532 |
|
| 1533 |
// add all extra data from wp_localize_script |
| 1534 |
$before_code = ''; |
| 1535 |
$data = array(); |
| 1536 |
$after_code = ''; |
| 1537 |
|
| 1538 |
foreach ($header[$i]['handles'] as $handle) { |
| 1539 |
if (isset($wp_scripts->registered[$handle]->extra['data'])) { |
| 1540 |
$data[] = $wp_scripts->registered[$handle]->extra['data']; |
| 1541 |
} |
| 1542 |
|
| 1543 |
// Add extra data from wp_add_inline_script before |
| 1544 |
if (!empty($wp_scripts->registered[$handle]->extra)) { |
| 1545 |
if (!empty($wp_scripts->registered[$handle]->extra['before']) && is_array($wp_scripts->registered[$handle]->extra['before'])) { |
| 1546 |
if (!$merge_inline_extra_css_js) { |
| 1547 |
$before_code.= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['before'])) . "\n"; |
| 1548 |
} |
| 1549 |
} |
| 1550 |
if (!empty($wp_scripts->registered[$handle]->extra['after']) && is_array($wp_scripts->registered[$handle]->extra['after'])) { |
| 1551 |
if (!$merge_inline_extra_css_js) { |
| 1552 |
$after_code.= "\n" . implode("\n", array_filter($wp_scripts->registered[$handle]->extra['after'])) . "\n"; |
| 1553 |
} |
| 1554 |
} |
| 1555 |
} |
| 1556 |
} |
| 1557 |
if (count($data) > 0) { |
| 1558 |
$wp_scripts->registered["wpo_min-header-$i"]->extra['data'] = implode("\n", $data); |
| 1559 |
} |
| 1560 |
|
| 1561 |
// enqueue file, if not empty |
| 1562 |
if (file_exists($file) && (filesize($file) > 0 || count($data) > 0)) { |
| 1563 |
if (!empty($before_code)) { |
| 1564 |
wp_add_inline_script("wpo_min-header-$i", $before_code, 'before'); |
| 1565 |
} |
| 1566 |
wp_enqueue_script("wpo_min-header-$i"); |
| 1567 |
if (!empty($after_code)) { |
| 1568 |
wp_add_inline_script("wpo_min-header-$i", $after_code, 'after'); |
| 1569 |
} |
| 1570 |
|
| 1571 |
if (isset($header[$i]['strategy'])) { |
| 1572 |
// Backward compatible way of doing this |
| 1573 |
wp_script_add_data( "wpo_min-header-$i", 'strategy', $header[$i]['strategy']); |
| 1574 |
} |
| 1575 |
} else { |
| 1576 |
// file could not be generated, output something meaningful |
| 1577 |
echo "<!-- ERROR: WP-Optimize minify was not allowed to save its cache on - ".str_replace(ABSPATH, '', $file)." -->"; |
| 1578 |
echo "<!-- Please check if the path above is correct and ensure your server has write permission there! -->"; |
| 1579 |
echo "<!-- If you found a bug, please report this on https://wordpress.org/support/plugin/wp-optimize/ -->"; |
| 1580 |
} |
| 1581 |
|
| 1582 |
// other scripts need to be requeued for the order of files to be kept |
| 1583 |
} else { |
| 1584 |
wp_dequeue_script($header[$i]['handle']); |
| 1585 |
wp_enqueue_script($header[$i]['handle']); |
| 1586 |
} |
| 1587 |
} |
| 1588 |
|
| 1589 |
// remove from queue |
| 1590 |
$wp_scripts->done = $done; |
| 1591 |
} |
| 1592 |
|
| 1593 |
/** |
| 1594 |
* Process CSS in the footer |
| 1595 |
* |
| 1596 |
* @return void |
| 1597 |
*/ |
| 1598 |
public function process_footer_css() { |
| 1599 |
global $wp_styles; |
| 1600 |
if (!is_object($wp_styles)) return; |
| 1601 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 1602 |
$cache_base_dir = $cache_path['cachebasedir']; |
| 1603 |
$cache_dir = $cache_path['cachedir']; |
| 1604 |
$cache_dir_url = $cache_path['cachedirurl']; |
| 1605 |
$exclude_css = $this->get_excluded_css_list(); |
| 1606 |
$ignore_list = WP_Optimize_Minify_Functions::compile_ignore_list($exclude_css); |
| 1607 |
$async_css = $this->get_async_css_list(); |
| 1608 |
$minify_css = $this->options['enable_css_minification']; |
| 1609 |
$merge_css = $this->options['enable_merging_of_css']; |
| 1610 |
$process_css = $minify_css || $merge_css; |
| 1611 |
$disable_google_fonts_processing = $this->options['disable_google_fonts_processing']; |
| 1612 |
$log = ""; |
| 1613 |
$code = ""; |
| 1614 |
$styles = clone $wp_styles; |
| 1615 |
$styles->all_deps($styles->queue); |
| 1616 |
$done = $styles->done; |
| 1617 |
$footer = array(); |
| 1618 |
$google_fonts = array(); |
| 1619 |
$inline_css = array(); |
| 1620 |
|
| 1621 |
// dequeue all styles |
| 1622 |
if (isset($this->options['remove_css']) && $this->options['remove_css']) { |
| 1623 |
foreach ($styles->to_do as $handle) : |
| 1624 |
$done = array_merge($done, array($handle)); |
| 1625 |
endforeach; |
| 1626 |
|
| 1627 |
// remove from queue |
| 1628 |
$wp_styles->done = $done; |
| 1629 |
return; |
| 1630 |
} |
| 1631 |
|
| 1632 |
// dequeue and get a list of google fonts, or requeue external |
| 1633 |
foreach ($styles->to_do as $handle) { |
| 1634 |
$href = WP_Optimize_Minify_Functions::get_hurl($wp_styles->registered[$handle]->src); |
| 1635 |
// inlined scripts without file |
| 1636 |
if (empty($href)) continue; |
| 1637 |
|
| 1638 |
if (!$disable_google_fonts_processing && WP_Optimize_Minify_Functions::is_google_font($href)) { |
| 1639 |
wp_dequeue_style($handle); |
| 1640 |
if ($this->options['remove_googlefonts']) { |
| 1641 |
$done = array_merge($done, array($handle)); |
| 1642 |
continue; |
| 1643 |
} |
| 1644 |
// mark as done if to be removed |
| 1645 |
if ($this->options['merge_google_fonts'] |
| 1646 |
|| 'inline' === $this->options['gfonts_method'] |
| 1647 |
) { |
| 1648 |
if (WP_Optimize_Minify_Functions::is_flatsome_handle($handle)) { |
| 1649 |
$href = WP_Optimize_Minify_Functions::fix_flatsome_google_fonts_url($href); |
| 1650 |
$google_fonts[$handle] = $href; |
| 1651 |
} else { |
| 1652 |
$google_fonts[$handle] = $href; |
| 1653 |
} |
| 1654 |
} else { |
| 1655 |
// skip google fonts optimization? |
| 1656 |
wp_enqueue_style($handle); |
| 1657 |
} |
| 1658 |
} else { |
| 1659 |
// failsafe |
| 1660 |
wp_dequeue_style($handle); |
| 1661 |
wp_enqueue_style($handle); |
| 1662 |
} |
| 1663 |
|
| 1664 |
} |
| 1665 |
|
| 1666 |
// concat google fonts, if enabled |
| 1667 |
if ($this->options['merge_google_fonts'] |
| 1668 |
&& count($google_fonts) > 0 |
| 1669 |
|| ('inline' === $this->options['gfonts_method'] && count($google_fonts) > 0) |
| 1670 |
) { |
| 1671 |
|
| 1672 |
// merge google fonts if force inlining is enabled? |
| 1673 |
$nfonts = array(); |
| 1674 |
if ($this->options['merge_google_fonts']) { |
| 1675 |
$nfonts[] = WP_Optimize_Minify_Fonts::concatenate_google_fonts($google_fonts); |
| 1676 |
} else { |
| 1677 |
foreach ($google_fonts as $h => $a) { |
| 1678 |
if (!empty($a)) { |
| 1679 |
$nfonts[$h] = $a; |
| 1680 |
} |
| 1681 |
} |
| 1682 |
} |
| 1683 |
|
| 1684 |
// foreach google font (will be one if merged is not disabled) |
| 1685 |
if (count($nfonts) > 0) { |
| 1686 |
foreach ($nfonts as $handle => $href) { |
| 1687 |
// hide from PageSpeedIndex, async, inline, or default |
| 1688 |
if ('exclude' === $this->options['gfonts_method']) { |
| 1689 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 1690 |
$done = array_merge($done, array($handle)); |
| 1691 |
} elseif ('async' === $this->options['gfonts_method']) { |
| 1692 |
// async CSS |
| 1693 |
WP_Optimize_Minify_Print::async_style($href); |
| 1694 |
$done = array_merge($done, array($handle)); |
| 1695 |
} elseif ('inline' === $this->options['gfonts_method']) { |
| 1696 |
// inline css |
| 1697 |
WP_Optimize_Minify_Print::inline_style($handle, $href); |
| 1698 |
$done = array_merge($done, array($handle)); |
| 1699 |
} else { |
| 1700 |
// fallback, enqueue google fonts |
| 1701 |
wp_enqueue_style($handle, $href, array(), null, 'all'); |
| 1702 |
} |
| 1703 |
} |
| 1704 |
} |
| 1705 |
} |
| 1706 |
|
| 1707 |
|
| 1708 |
// get groups of handles |
| 1709 |
$uniq = array(); |
| 1710 |
foreach ($styles->to_do as $handle) { |
| 1711 |
|
| 1712 |
// skip already processed google fonts |
| 1713 |
if (isset($google_fonts[$handle])) { |
| 1714 |
continue; |
| 1715 |
} |
| 1716 |
|
| 1717 |
// conditionals |
| 1718 |
$conditional = null; if (isset($wp_styles->registered[$handle]->extra["conditional"])) { |
| 1719 |
$conditional = $wp_styles->registered[$handle]->extra["conditional"]; // such as ie7, ie8, ie9, etc |
| 1720 |
} |
| 1721 |
|
| 1722 |
// mediatype |
| 1723 |
$mt = isset($wp_styles->registered[$handle]->args) ? $wp_styles->registered[$handle]->args : 'all'; |
| 1724 |
if ('screen' == $mt || 'screen, print' == $mt || empty($mt) || is_null($mt) || false == $mt) { |
| 1725 |
$mt = 'all'; |
| 1726 |
} |
| 1727 |
$mediatype = $mt; |
| 1728 |
|
| 1729 |
// get full url |
| 1730 |
$href = WP_Optimize_Minify_Functions::get_hurl($wp_styles->registered[$handle]->src); |
| 1731 |
$version = $wp_styles->registered[$handle]->ver; |
| 1732 |
|
| 1733 |
// inlined scripts without file |
| 1734 |
if (empty($href)) { |
| 1735 |
continue; |
| 1736 |
} |
| 1737 |
|
| 1738 |
// mark duplicates as done and remove from the queue |
| 1739 |
if (!empty($href)) { |
| 1740 |
$version = is_array($version) ? '' : $version; |
| 1741 |
$key = hash('adler32', $href . $version); |
| 1742 |
if (isset($uniq[$key])) { |
| 1743 |
$done = array_merge($done, array($handle)); |
| 1744 |
continue; |
| 1745 |
} else { |
| 1746 |
$uniq[$key] = $handle; |
| 1747 |
} |
| 1748 |
} |
| 1749 |
|
| 1750 |
// IE only files don't increment things |
| 1751 |
$ieonly = WP_Optimize_Minify_Functions::is_url_in_ie_blacklist($href); |
| 1752 |
if ($ieonly) { |
| 1753 |
continue; |
| 1754 |
} |
| 1755 |
|
| 1756 |
// Exclude specific CSS files from PageSpeedIndex? |
| 1757 |
if (false != $async_css && is_array($async_css) && WP_Optimize_Minify_Functions::in_arrayi($href, $async_css)) { |
| 1758 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 1759 |
$done = array_merge($done, array($handle)); |
| 1760 |
continue; |
| 1761 |
} |
| 1762 |
|
| 1763 |
if (WP_Optimize_Minify_Functions::is_font_awesome($href)) { |
| 1764 |
if ('inline' === $this->options['fawesome_method']) { |
| 1765 |
WP_Optimize_Minify_Print::inline_style($handle, $href); |
| 1766 |
$done = array_merge($done, array($handle)); |
| 1767 |
continue; |
| 1768 |
} elseif ('async' === $this->options['fawesome_method']) { |
| 1769 |
WP_Optimize_Minify_Print::async_style($href, $mediatype); |
| 1770 |
$done = array_merge($done, array($handle)); |
| 1771 |
continue; |
| 1772 |
} elseif ('exclude' === $this->options['fawesome_method']) { |
| 1773 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 1774 |
$done = array_merge($done, array($handle)); |
| 1775 |
continue; |
| 1776 |
} |
| 1777 |
} |
| 1778 |
|
| 1779 |
// Exclude Print mediatype |
| 1780 |
if ($this->options['remove_print_mediatypes'] && 'print' === $mediatype) { |
| 1781 |
$done = array_merge($done, array($handle)); |
| 1782 |
continue; |
| 1783 |
} |
| 1784 |
|
| 1785 |
// check if the current URL points to a minified file. |
| 1786 |
$exclude_minified_css = WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 1787 |
$normal_processing = $exclude_minified_css && !$merge_css; |
| 1788 |
// skip ignore list, conditional css, external css, font-awesome merge and already minified css |
| 1789 |
if (($process_css && !$normal_processing && !WP_Optimize_Minify_Functions::in_arrayi($href, $ignore_list) && !isset($conditional) && WP_Optimize_Minify_Functions::internal_url($href, site_url())) |
| 1790 |
|| empty($href) |
| 1791 |
) { |
| 1792 |
|
| 1793 |
// colect inline css for this handle |
| 1794 |
if (isset($wp_styles->registered[$handle]->extra['after']) && is_array($wp_styles->registered[$handle]->extra['after'])) { |
| 1795 |
$inline_css[$handle] = WP_Optimize_Minify_Functions::minify_css_string(implode('', $wp_styles->registered[$handle]->extra['after'])); // save |
| 1796 |
$wp_styles->registered[$handle]->extra['after'] = null; // dequeue |
| 1797 |
} |
| 1798 |
|
| 1799 |
// process |
| 1800 |
if (isset($footer[count($footer)-1]['handle']) || !count($footer) || $footer[count($footer)-1]['media'] != $wp_styles->registered[$handle]->args || !$merge_css) { |
| 1801 |
array_push($footer, array('handles' => array(), 'media' => $mediatype, 'versions' => array())); |
| 1802 |
} |
| 1803 |
|
| 1804 |
// push it to the array get latest modified time |
| 1805 |
array_push($footer[count($footer)-1]['handles'], $handle); |
| 1806 |
array_push($footer[count($footer)-1]['versions'], $version); |
| 1807 |
$footer[count($footer) - 1]['last_modified'][] = WP_Optimize_Minify_Functions::get_modification_time($wp_styles->registered[$handle]->src); |
| 1808 |
|
| 1809 |
// external and ignored css |
| 1810 |
} else { |
| 1811 |
|
| 1812 |
// normal enqueueing |
| 1813 |
array_push($footer, array('handle' => $handle)); |
| 1814 |
} |
| 1815 |
} |
| 1816 |
|
| 1817 |
/** |
| 1818 |
* Filters the array of stylesheets before processing them |
| 1819 |
* |
| 1820 |
* @param array $list - The list of items filtered |
| 1821 |
* @param string $location - The location of the list (footer or header) |
| 1822 |
* @return array |
| 1823 |
*/ |
| 1824 |
$footer = apply_filters('wpo_minify_stylesheets', $footer, 'footer'); |
| 1825 |
|
| 1826 |
// loop through footer css and merge |
| 1827 |
for ($i=0,$l=count($footer); $i<$l; $i++) { |
| 1828 |
if (!isset($footer[$i]['handle'])) { |
| 1829 |
if ($merge_css) { |
| 1830 |
// get hash for the inline css in this group |
| 1831 |
$inline_css_group = array(); |
| 1832 |
foreach ($footer[$i]['handles'] as $h) { |
| 1833 |
if (isset($inline_css[$h]) && !empty($inline_css[$h])) { |
| 1834 |
$inline_css_group[] = $inline_css[$h]; |
| 1835 |
} |
| 1836 |
} |
| 1837 |
$inline_css_hash = md5(implode('', $inline_css_group)); |
| 1838 |
$hash = hash('adler32', implode('', $footer[$i]['handles']) . $inline_css_hash . implode('', $footer[$i]['last_modified'])); |
| 1839 |
} else { |
| 1840 |
$hash = implode('', $footer[$i]['handles']) . implode('', $footer[$i]['last_modified']); |
| 1841 |
} |
| 1842 |
|
| 1843 |
// static cache file info |
| 1844 |
$file_name = 'wpo-minify-footer-'.$hash.($minify_css ? '.min' : ''); |
| 1845 |
|
| 1846 |
// create cache files and urls |
| 1847 |
$file = $cache_dir.'/'.$file_name.'.css'; |
| 1848 |
$meta_json_file = $cache_base_dir.'/'.'meta.json'; |
| 1849 |
$file_url = WP_Optimize_Minify_Functions::get_protocol($cache_dir_url.'/'.$file_name.'.css'); |
| 1850 |
|
| 1851 |
// generate a new cache file |
| 1852 |
clearstatcache(); |
| 1853 |
if (!file_exists($file)) { |
| 1854 |
|
| 1855 |
// code and log initialization |
| 1856 |
$log_header = "PROCESSED on ".date('r')." from ".home_url(add_query_arg(null, null)); |
| 1857 |
$log = array( |
| 1858 |
'header' => $log_header, |
| 1859 |
'files' => array() |
| 1860 |
); |
| 1861 |
$meta_log = $this->meta_log_initialization($log_header); |
| 1862 |
$code = ''; |
| 1863 |
|
| 1864 |
// minify and write to file |
| 1865 |
foreach ($footer[$i]['handles'] as $handle) { |
| 1866 |
if (!empty($wp_styles->registered[$handle]->src)) { |
| 1867 |
|
| 1868 |
// get href per handle |
| 1869 |
$handle_src = $wp_styles->registered[$handle]->src; |
| 1870 |
$href = WP_Optimize_Minify_Functions::get_hurl($handle_src); |
| 1871 |
$version = $wp_styles->registered[$handle]->ver; |
| 1872 |
$last_modified = WP_Optimize_Minify_Functions::get_modification_time($handle_src); |
| 1873 |
// inlined scripts without hreffile |
| 1874 |
if (empty($href)) continue; |
| 1875 |
|
| 1876 |
// download, minify, cache |
| 1877 |
$tkey = 'css-'.hash('adler32', $handle . $href).'.css'; |
| 1878 |
$json = false; |
| 1879 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 1880 |
if (false === $json) { |
| 1881 |
$enable_minification = $minify_css && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 1882 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, 'css', $handle, $version); |
| 1883 |
if ($this->options['debug']) { |
| 1884 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href / $version -->" . "\n"; |
| 1885 |
} |
| 1886 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 1887 |
} |
| 1888 |
|
| 1889 |
// decode |
| 1890 |
$res = json_decode($json, true); |
| 1891 |
|
| 1892 |
if (null === $res) continue; |
| 1893 |
|
| 1894 |
if ($this->should_reset_minify_assets($res, $href, 'css', $handle, $version)) { |
| 1895 |
WP_Optimize_Minify_Cache_Functions::reset(); |
| 1896 |
$this->minify_cache_incremented = true; |
| 1897 |
$meta_log['invalidation_reason'] = 'Checksum Mismatch and version changed from ' . $res['request']['version'] . ' to ' . $version; |
| 1898 |
$meta_log['files_that_changed'][$handle] = $res['log']; |
| 1899 |
} |
| 1900 |
|
| 1901 |
// response has failed |
| 1902 |
if (true != $res['status']) { |
| 1903 |
$log['files'][$handle] = $res['log']; |
| 1904 |
$log['files'][$handle]['version'] = $version; |
| 1905 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1906 |
continue; |
| 1907 |
} |
| 1908 |
|
| 1909 |
$done[] = $handle; |
| 1910 |
|
| 1911 |
// append code to merged file |
| 1912 |
$code .= isset($res['code']) ? $res['code'] : ''; |
| 1913 |
$log['files'][$handle] = $res['log']; |
| 1914 |
$log['files'][$handle]['version'] = $version; |
| 1915 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 1916 |
|
| 1917 |
// append inlined styles |
| 1918 |
if (isset($inline_css[$handle]) && !empty($inline_css[$handle])) { |
| 1919 |
$code.= $inline_css[$handle]; |
| 1920 |
} |
| 1921 |
|
| 1922 |
// consider dependencies on handles with an empty src |
| 1923 |
} else { |
| 1924 |
wp_dequeue_script($handle); |
| 1925 |
wp_enqueue_script($handle); |
| 1926 |
} |
| 1927 |
}; |
| 1928 |
|
| 1929 |
// generate cache, add inline css, write log |
| 1930 |
if (!empty($code)) { |
| 1931 |
// Only generate meta.json file if cache is reset |
| 1932 |
if (!empty($meta_log['invalidation_reason'])) { |
| 1933 |
file_put_contents($meta_json_file, json_encode($meta_log)); |
| 1934 |
} |
| 1935 |
WP_Optimize_Minify_Print::write_combined_asset($file, $code, $log); |
| 1936 |
} |
| 1937 |
} else { |
| 1938 |
$log_file = $file.'.json'; |
| 1939 |
if (file_exists($log_file)) { |
| 1940 |
$saved_log = json_decode(file_get_contents($log_file)); |
| 1941 |
if (is_object($saved_log) && property_exists($saved_log, 'files')) { |
| 1942 |
$files = (array) $saved_log->files; |
| 1943 |
foreach ($footer[$i]['handles'] as $handle) { |
| 1944 |
if (isset($files[$handle]) && $files[$handle]->success) { |
| 1945 |
$done[] = $handle; |
| 1946 |
} |
| 1947 |
} |
| 1948 |
} else { |
| 1949 |
// The merged file already exists, so add all files to $done. |
| 1950 |
$done = array_merge($done, $footer[$i]['handles']); |
| 1951 |
} |
| 1952 |
} else { |
| 1953 |
// The merged file already exists, so add all files to $done. |
| 1954 |
$done = array_merge($done, $footer[$i]['handles']); |
| 1955 |
} |
| 1956 |
} |
| 1957 |
|
| 1958 |
// Async CSS with loadCSS ? |
| 1959 |
if ($this->options['loadcss'] && !$this->options['remove_css']) { |
| 1960 |
$mt = $footer[$i]['media']; |
| 1961 |
WP_Optimize_Minify_Print::async_style($file_url, $mt); |
| 1962 |
// enqueue file, if not empty |
| 1963 |
} else { |
| 1964 |
if (file_exists($file) && filesize($file) > 0) { |
| 1965 |
|
| 1966 |
// inline if the file is smaller than 20KB or option has been enabled |
| 1967 |
if (filesize($file) < 20000 && $this->options['inline_css']) { |
| 1968 |
$this->inline_css(file_get_contents($file), $handle, $file_url, $footer[$i]['media']); |
| 1969 |
} else { |
| 1970 |
// enqueue it |
| 1971 |
wp_enqueue_style("wpo_min-footer-$i", $file_url, array(), null, $footer[$i]['media']); |
| 1972 |
} |
| 1973 |
} else { |
| 1974 |
// file could not be generated, output something meaningful |
| 1975 |
echo "<!-- ERROR: WP-Optimize Minify was not allowed to save its cache on - ".str_replace(ABSPATH, '', $file)." -->"; |
| 1976 |
echo "<!-- Please check if the path above is correct and ensure your server has write permission there! -->"; |
| 1977 |
} |
| 1978 |
} |
| 1979 |
|
| 1980 |
// other css need to be requeued for the order of files to be kept |
| 1981 |
} else { |
| 1982 |
wp_dequeue_style($footer[$i]['handle']); |
| 1983 |
wp_enqueue_style($footer[$i]['handle']); |
| 1984 |
} |
| 1985 |
} |
| 1986 |
|
| 1987 |
// remove from queue |
| 1988 |
$wp_styles->done = $done; |
| 1989 |
} |
| 1990 |
|
| 1991 |
/** |
| 1992 |
* Process JS Scripts of type module |
| 1993 |
* |
| 1994 |
* @param String $buffer Page HTML. |
| 1995 |
* |
| 1996 |
* @return String |
| 1997 |
*/ |
| 1998 |
public function process_script_modules($buffer) { |
| 1999 |
|
| 2000 |
if ('' === $buffer) return ''; |
| 2001 |
|
| 2002 |
if (!WP_Optimize_Utils::is_valid_html($buffer)) return $buffer; |
| 2003 |
|
| 2004 |
$minify_js = $this->options['enable_js_minification']; |
| 2005 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 2006 |
$cache_dir = $cache_path['cachedir']; |
| 2007 |
$cache_dir_url = $cache_path['cachedirurl']; |
| 2008 |
$cache_base_dir = $cache_path['cachebasedir']; |
| 2009 |
|
| 2010 |
$scripts = $this->get_scripts($buffer); |
| 2011 |
if (empty($scripts)) return $buffer; |
| 2012 |
|
| 2013 |
foreach ($scripts as $script) { |
| 2014 |
if ("module" !== $script['type']) continue; |
| 2015 |
|
| 2016 |
$href = WP_Optimize_Minify_Functions::get_hurl($script['url']); |
| 2017 |
$last_modified = WP_Optimize_Minify_Functions::get_modification_time($script['url']); |
| 2018 |
$handle = $script['handle']; |
| 2019 |
$version = $script['version']; |
| 2020 |
|
| 2021 |
// Module script handles use slashes and @ symbols, |
| 2022 |
// replace them with '-' and empty string, break if handle is still '' |
| 2023 |
if (!empty($handle)) { |
| 2024 |
$handle_no_slash = str_replace(array('/', '@'), array('-', ''), $handle); |
| 2025 |
} else { |
| 2026 |
continue; |
| 2027 |
} |
| 2028 |
|
| 2029 |
// code and log initialization |
| 2030 |
$log_header = "PROCESSED on ".date('r')." from ".home_url(add_query_arg(null, null)); |
| 2031 |
$log = array( |
| 2032 |
'header' => $log_header, |
| 2033 |
'files' => array() |
| 2034 |
); |
| 2035 |
$meta_log = $this->meta_log_initialization($log_header); |
| 2036 |
$code = ''; |
| 2037 |
|
| 2038 |
// create cache files and urls |
| 2039 |
$file_name = 'wpo-minify-'.$handle_no_slash.($minify_js ? '.min' : ''); |
| 2040 |
$file = $cache_dir.'/'.$file_name.'.js'; |
| 2041 |
$meta_json_file = $cache_base_dir.'/'.'meta.json'; |
| 2042 |
$file_url = WP_Optimize_Minify_Functions::get_protocol($cache_dir_url.'/'.$file_name.'.js'); |
| 2043 |
|
| 2044 |
// download, minify, cache |
| 2045 |
$tkey = 'js-'.hash('adler32', $handle_no_slash . $href).'.js'; |
| 2046 |
$json = WP_Optimize_Minify_Cache_Functions::get_transient($tkey); |
| 2047 |
if (false === $json) { |
| 2048 |
$enable_minification = $minify_js && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 2049 |
$json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, 'js', $handle_no_slash, $version); |
| 2050 |
if ($this->options['debug']) { |
| 2051 |
echo "<!-- wpo_min DEBUG: Uncached file processing now for $handle / $href / $version -->\n"; |
| 2052 |
} |
| 2053 |
WP_Optimize_Minify_Cache_Functions::set_transient($tkey, $json); |
| 2054 |
} |
| 2055 |
|
| 2056 |
// decode |
| 2057 |
$res = json_decode($json, true); |
| 2058 |
|
| 2059 |
if (null === $res) continue; |
| 2060 |
|
| 2061 |
// Reset minified script module |
| 2062 |
if ($this->should_reset_minify_assets($res, $href, 'js', $handle, $version)) { |
| 2063 |
WP_Optimize_Minify_Cache_Functions::reset(); |
| 2064 |
$this->minify_cache_incremented = true; |
| 2065 |
$meta_log['invalidation_reason'] = 'Checksum Mismatch and version changed from ' . $res['request']['version'] . ' to ' . $version; |
| 2066 |
$meta_log['files_that_changed'][$handle] = $res['log']; |
| 2067 |
} |
| 2068 |
|
| 2069 |
if (!$res['status']) continue; |
| 2070 |
|
| 2071 |
$code .= isset($res['code']) ? $res['code'] : ''; |
| 2072 |
$code = WP_Optimize_Minify_Functions::prepare_merged_js($code, $href); |
| 2073 |
$log['files'][$handle] = $res['log']; |
| 2074 |
$log['files'][$handle]['version'] = $version; |
| 2075 |
$log['files'][$handle]['last_modified'] = $last_modified; |
| 2076 |
|
| 2077 |
// If code is empty (nothing to minify) break loop |
| 2078 |
if (empty($code)) continue; |
| 2079 |
|
| 2080 |
// Only generate meta.json file if cache is reset |
| 2081 |
if (!empty($meta_log['invalidation_reason'])) { |
| 2082 |
file_put_contents($meta_json_file, json_encode($meta_log)); |
| 2083 |
} |
| 2084 |
WP_Optimize_Minify_Print::write_combined_asset($file, $code, $log); |
| 2085 |
|
| 2086 |
// Extract importmap script tag |
| 2087 |
$json_map = $this->get_script_module_importmap($buffer); |
| 2088 |
$json_map_update = $json_map; |
| 2089 |
|
| 2090 |
if (!empty($json_map) && isset($json_map['imports'])) { |
| 2091 |
$json_map_update['imports'][$handle] = $file_url; |
| 2092 |
} else { |
| 2093 |
continue; |
| 2094 |
} |
| 2095 |
|
| 2096 |
// Update module source file and importmap with new file url |
| 2097 |
$buffer = str_replace($script['url'], $file_url, $buffer); |
| 2098 |
$buffer = str_replace(json_encode($json_map), json_encode($json_map_update), $buffer); |
| 2099 |
} |
| 2100 |
|
| 2101 |
return $buffer; |
| 2102 |
} |
| 2103 |
|
| 2104 |
/** |
| 2105 |
* Orders the CSS per media type |
| 2106 |
* |
| 2107 |
* @param array $list - The list of assets |
| 2108 |
* @return array |
| 2109 |
*/ |
| 2110 |
public function order_stylesheets_per_media_type($list) { |
| 2111 |
// get unique mediatypes |
| 2112 |
$allmedia = array(); |
| 2113 |
foreach ($list as $array) { |
| 2114 |
if (isset($array['media'])) { |
| 2115 |
$allmedia[$array['media']] = ''; |
| 2116 |
} |
| 2117 |
} |
| 2118 |
|
| 2119 |
// extract handles by mediatype |
| 2120 |
$grouphandles = array(); |
| 2121 |
foreach ($allmedia as $md => $var) { |
| 2122 |
foreach ($list as $array) { |
| 2123 |
if (isset($array['media']) && $array['media'] === $md) { |
| 2124 |
foreach ($array['handles'] as $h) { |
| 2125 |
$grouphandles[$md][] = $h; |
| 2126 |
} |
| 2127 |
} |
| 2128 |
} |
| 2129 |
} |
| 2130 |
|
| 2131 |
// reset and reorder list by mediatypes |
| 2132 |
$newlist = array(); |
| 2133 |
foreach ($allmedia as $md => $var) { |
| 2134 |
$newlist[] = array('handles' => $grouphandles[$md], 'media' => $md); |
| 2135 |
} |
| 2136 |
if (count($newlist) > 0) { |
| 2137 |
$list = $newlist; |
| 2138 |
} |
| 2139 |
|
| 2140 |
return $list; |
| 2141 |
} |
| 2142 |
|
| 2143 |
/** |
| 2144 |
* Merged google font |
| 2145 |
* |
| 2146 |
* @return void; |
| 2147 |
*/ |
| 2148 |
public function add_google_fonts_merged() { |
| 2149 |
// must have something to do |
| 2150 |
if (count($this->collect_google_fonts) == 0) return; |
| 2151 |
|
| 2152 |
// merge google fonts |
| 2153 |
$href = WP_Optimize_Minify_Fonts::concatenate_google_fonts($this->collect_google_fonts); |
| 2154 |
if (empty($href)) { |
| 2155 |
return; |
| 2156 |
} |
| 2157 |
|
| 2158 |
// hide google fonts from PageSpeedIndex |
| 2159 |
if ('exclude' === $this->options['gfonts_method']) { |
| 2160 |
// make a stylesheet, hide from PageSpeedIndex |
| 2161 |
WP_Optimize_Minify_Print::exclude_style($href); |
| 2162 |
} elseif ('async' === $this->options['gfonts_method']) { |
| 2163 |
// load google fonts async |
| 2164 |
WP_Optimize_Minify_Print::async_style($href); |
| 2165 |
} else { |
| 2166 |
// fallback to normal inline |
| 2167 |
WP_Optimize_Minify_Print::style($href); |
| 2168 |
} |
| 2169 |
|
| 2170 |
// unset per hook |
| 2171 |
foreach ($this->collect_google_fonts as $k => $v) { |
| 2172 |
unset($this->collect_google_fonts[$k]); |
| 2173 |
} |
| 2174 |
} |
| 2175 |
|
| 2176 |
/** |
| 2177 |
* Check if the string given contains 'wpo-minify' |
| 2178 |
* |
| 2179 |
* @param string $var |
| 2180 |
* |
| 2181 |
* @return boolean |
| 2182 |
*/ |
| 2183 |
public function check_wpo($var) { |
| 2184 |
return (false === strpos($var, 'assets/wpo-minify')); |
| 2185 |
} |
| 2186 |
|
| 2187 |
/** |
| 2188 |
* Generate preload headers file |
| 2189 |
* |
| 2190 |
* @return boolean |
| 2191 |
*/ |
| 2192 |
public function generate_preload_headers() { |
| 2193 |
|
| 2194 |
// always false for admin pages |
| 2195 |
if (is_admin()) return false; |
| 2196 |
|
| 2197 |
// get host with multisite support and query strings |
| 2198 |
$host = htmlentities($_SERVER['SERVER_NAME']); |
| 2199 |
if (empty($host)) { |
| 2200 |
$host = isset($_SERVER['HTTP_HOST']) ? htmlentities($_SERVER['HTTP_HOST']) : ''; |
| 2201 |
} |
| 2202 |
$request_query = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY); |
| 2203 |
$request_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); |
| 2204 |
|
| 2205 |
// initialize headers |
| 2206 |
$headers = array(); |
| 2207 |
|
| 2208 |
// css headers |
| 2209 |
if ($this->options['enabled_css_preload'] |
| 2210 |
&& count($this->collect_preload_css) > 0 |
| 2211 |
) { |
| 2212 |
foreach ($this->collect_preload_css as $u) { |
| 2213 |
// filter out footer footer files, because they are not in the critical path |
| 2214 |
if (strpos($u, '/assets/wpo-minify-footer-') !== false) { |
| 2215 |
continue; |
| 2216 |
} |
| 2217 |
|
| 2218 |
// add headers |
| 2219 |
$headers[] = "Link: <$u>; rel=preload; as=style"; |
| 2220 |
} |
| 2221 |
} |
| 2222 |
|
| 2223 |
// js headers |
| 2224 |
if ($this->options['enabled_js_preload'] |
| 2225 |
&& count($this->collect_preload_js) > 0 |
| 2226 |
) { |
| 2227 |
foreach ($this->collect_preload_js as $u) { |
| 2228 |
|
| 2229 |
// filter out footer footer files, because they are not in the critical path |
| 2230 |
if (false !== strpos($u, '/assets/wpo-minify-footer-')) { |
| 2231 |
continue; |
| 2232 |
} |
| 2233 |
|
| 2234 |
// add headers |
| 2235 |
$headers[] = "Link: <$u>; rel=preload; as=script"; |
| 2236 |
} |
| 2237 |
} |
| 2238 |
|
| 2239 |
// must have something |
| 2240 |
if (count($headers) == 0) { |
| 2241 |
return false; |
| 2242 |
} else { |
| 2243 |
$headers = implode("\n", $headers); |
| 2244 |
} |
| 2245 |
|
| 2246 |
// get cache path |
| 2247 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 2248 |
$header_dir = $cache_path['headerdir']; |
| 2249 |
|
| 2250 |
// possible cache file locations |
| 2251 |
$b = $header_dir . '/' . md5($host.'-'.$request_uri) . '.header'; |
| 2252 |
$a = $header_dir . '/' . md5($host.'-'.$request_uri . $request_query).'.header'; |
| 2253 |
|
| 2254 |
// reset file cache |
| 2255 |
clearstatcache(); |
| 2256 |
|
| 2257 |
// if there are no query strings |
| 2258 |
if ($b == $a) { |
| 2259 |
if (!file_exists($a)) { |
| 2260 |
WP_Optimize_Minify_Print::write_header($a, $headers); |
| 2261 |
} |
| 2262 |
return false; |
| 2263 |
} elseif (!file_exists($b)) { |
| 2264 |
WP_Optimize_Minify_Print::write_header($b, $headers); |
| 2265 |
} |
| 2266 |
|
| 2267 |
return false; |
| 2268 |
} |
| 2269 |
|
| 2270 |
/** |
| 2271 |
* Collect all wpo_min JS files and save them to a headers file |
| 2272 |
* |
| 2273 |
* @param String $html |
| 2274 |
* @param String $handle |
| 2275 |
* @param String $src |
| 2276 |
* |
| 2277 |
* @return String |
| 2278 |
*/ |
| 2279 |
public function collect_js_preload_headers($html, $handle, $src) { |
| 2280 |
if (false !== strpos($src, 'assets/wpo-minify')) { |
| 2281 |
if (!in_array($src, $this->collect_preload_js)) { |
| 2282 |
$this->collect_preload_js[] = $src; |
| 2283 |
} |
| 2284 |
} |
| 2285 |
return $html . "\n"; |
| 2286 |
} |
| 2287 |
|
| 2288 |
/** |
| 2289 |
* Collect all wpo_min CSS files and save them to a headers file |
| 2290 |
* this function intercepts the styles that are enqueued |
| 2291 |
* take note that if the css is loaded ASYNC, it's not enqueued |
| 2292 |
* |
| 2293 |
* @param string $html - Html string |
| 2294 |
* @param string $handle - Handle |
| 2295 |
* @param string $src - The CSS file path |
| 2296 |
* |
| 2297 |
* @return string |
| 2298 |
*/ |
| 2299 |
public function collect_css_preload_headers($html, $handle, $src) { |
| 2300 |
if (false !== strpos($src, 'assets/wpo-minify')) { |
| 2301 |
if (!in_array($src, $this->collect_preload_css)) { |
| 2302 |
$this->collect_preload_css[] = $src; |
| 2303 |
} |
| 2304 |
} |
| 2305 |
return $html . "\n"; |
| 2306 |
} |
| 2307 |
|
| 2308 |
/** |
| 2309 |
* Get current headers file for the url |
| 2310 |
* |
| 2311 |
* @return bool|string |
| 2312 |
*/ |
| 2313 |
private function get_preload_headers() { |
| 2314 |
|
| 2315 |
// always false for admin pages |
| 2316 |
if (is_admin()) return false; |
| 2317 |
|
| 2318 |
$enabled_css_preload = $this->options['enabled_css_preload']; |
| 2319 |
$enabled_js_preload = $this->options['enabled_js_preload']; |
| 2320 |
|
| 2321 |
if (!$enabled_css_preload && !$enabled_js_preload) { |
| 2322 |
return false; |
| 2323 |
} |
| 2324 |
|
| 2325 |
// get host with multisite support and query strings |
| 2326 |
$host = htmlentities($_SERVER['SERVER_NAME']); |
| 2327 |
if (empty($host)) { |
| 2328 |
$host = isset($_SERVER['HTTP_HOST']) ? htmlentities($_SERVER['HTTP_HOST']) : ''; |
| 2329 |
} |
| 2330 |
$request_query = parse_url($_SERVER['REQUEST_URI'], PHP_URL_QUERY); |
| 2331 |
$request_uri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH); |
| 2332 |
|
| 2333 |
// get cache path |
| 2334 |
$cache_path = WP_Optimize_Minify_Cache_Functions::cache_path(); |
| 2335 |
$header_dir = $cache_path['headerdir']; |
| 2336 |
$cache_file_base = $header_dir . '/'; |
| 2337 |
|
| 2338 |
// possible cache file locations |
| 2339 |
$b = $cache_file_base . md5("$host-$request_uri").'.header'; |
| 2340 |
$a = $cache_file_base . md5("$host-$request_uri$request_query").'.header'; |
| 2341 |
|
| 2342 |
// reset file cache |
| 2343 |
clearstatcache(); |
| 2344 |
|
| 2345 |
// return header files or fallback |
| 2346 |
if ($b == $a && file_exists($a)) { |
| 2347 |
return file_get_contents($a); |
| 2348 |
} |
| 2349 |
if ($b != $a && file_exists($b)) { |
| 2350 |
return file_get_contents($b); |
| 2351 |
} |
| 2352 |
|
| 2353 |
return false; |
| 2354 |
} |
| 2355 |
|
| 2356 |
/** |
| 2357 |
* Add pre-connect and pre-load headers |
| 2358 |
* |
| 2359 |
* @return void |
| 2360 |
*/ |
| 2361 |
public function extra_preload_headers() { |
| 2362 |
if (!$this->run_on_page('extra_preload_headers')) return; |
| 2363 |
|
| 2364 |
// fetch headers |
| 2365 |
$pre_connect = $this->get_pre_connect_list(); |
| 2366 |
|
| 2367 |
// preload |
| 2368 |
if (is_array($pre_connect) && count($pre_connect) > 0) { |
| 2369 |
foreach ($pre_connect as $url) { |
| 2370 |
if (!empty($url) && filter_var($url, FILTER_VALIDATE_URL)) { |
| 2371 |
header("Link: <$url>; rel=preconnect", false); |
| 2372 |
} |
| 2373 |
} |
| 2374 |
} |
| 2375 |
|
| 2376 |
$headers = $this->get_preload_headers(); |
| 2377 |
if (false != $headers) { |
| 2378 |
$nh = array_map('trim', explode("\n", $headers)); |
| 2379 |
foreach ($nh as $h) { |
| 2380 |
if (!empty($h)) { |
| 2381 |
header($h, false); |
| 2382 |
} |
| 2383 |
} |
| 2384 |
} |
| 2385 |
} |
| 2386 |
|
| 2387 |
/** |
| 2388 |
* Add caching headers |
| 2389 |
* |
| 2390 |
* @param array $headers An array of headers |
| 2391 |
* |
| 2392 |
* @return array An array of modified headers |
| 2393 |
*/ |
| 2394 |
public function add_caching_headers($headers) { |
| 2395 |
$cache = WP_Optimize()->get_page_cache(); |
| 2396 |
if ($cache->is_enabled()) return $headers; |
| 2397 |
|
| 2398 |
if (!isset($headers['Cache-Control'])) { |
| 2399 |
$headers['Cache-Control'] = 'must-revalidate'; |
| 2400 |
} |
| 2401 |
|
| 2402 |
if (!isset($headers['Last-Modified'])) { |
| 2403 |
$headers['Last-Modified'] = gmdate('D, d M Y H:i:s', time()) . ' GMT'; |
| 2404 |
} |
| 2405 |
|
| 2406 |
return $headers; |
| 2407 |
} |
| 2408 |
|
| 2409 |
/** |
| 2410 |
* Includes dependency files |
| 2411 |
*/ |
| 2412 |
private function include_dependencies() { |
| 2413 |
if (!class_exists('WP_Optimize_Minify_Functions')) { |
| 2414 |
include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-functions.php'; |
| 2415 |
} |
| 2416 |
|
| 2417 |
if (!class_exists('WP_Optimize_Minify_Print')) { |
| 2418 |
include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-print.php'; |
| 2419 |
} |
| 2420 |
|
| 2421 |
if (!class_exists('WP_Optimize_Minify_Fonts')) { |
| 2422 |
include WP_OPTIMIZE_MINIFY_DIR.'/class-wp-optimize-minify-fonts.php'; |
| 2423 |
} |
| 2424 |
} |
| 2425 |
|
| 2426 |
/** |
| 2427 |
* Handles emoji removal |
| 2428 |
*/ |
| 2429 |
private function disable_emojis() { |
| 2430 |
WP_Optimize_Minify_Functions::disable_wp_emojicons(); |
| 2431 |
add_filter('tiny_mce_plugins', array('WP_Optimize_Minify_Functions', 'disable_emojis_tinymce' )); |
| 2432 |
} |
| 2433 |
|
| 2434 |
/** |
| 2435 |
* Handles header meta information removal |
| 2436 |
*/ |
| 2437 |
private function remove_header_meta_info() { |
| 2438 |
// no resource hints, generator tag, shortlinks, manifest link, etc |
| 2439 |
remove_action('wp_head', 'wp_resource_hints', 2); |
| 2440 |
remove_action('wp_head', 'wp_generator'); |
| 2441 |
remove_action('template_redirect', 'wp_shortlink_header', 11); |
| 2442 |
remove_action('wp_head', 'wlwmanifest_link'); |
| 2443 |
remove_action('wp_head', 'rsd_link'); |
| 2444 |
remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0); |
| 2445 |
remove_action('wp_head', 'feed_links', 2); |
| 2446 |
remove_action('wp_head', 'feed_links_extra', 3); |
| 2447 |
WP_Optimize_Minify_Functions::remove_redundant_shortlink(); |
| 2448 |
} |
| 2449 |
|
| 2450 |
/** |
| 2451 |
* Handles javascript processing |
| 2452 |
*/ |
| 2453 |
private function process_js() { |
| 2454 |
add_action('wp_print_scripts', array($this, 'process_header_scripts'), PHP_INT_MAX); |
| 2455 |
add_action('wp_print_footer_scripts', array($this, 'process_footer_scripts'), 9); |
| 2456 |
|
| 2457 |
// Defer JS |
| 2458 |
add_filter('script_loader_tag', array($this, 'defer_js'), 10, 3); |
| 2459 |
|
| 2460 |
// Preloading |
| 2461 |
if ($this->options['enabled_js_preload']) { |
| 2462 |
add_filter('script_loader_tag', array($this, 'collect_js_preload_headers'), PHP_INT_MAX, 3); |
| 2463 |
} |
| 2464 |
|
| 2465 |
// add the LoadAsync JavaScript function |
| 2466 |
$async_js = $this->get_async_js_list(); |
| 2467 |
if (count($async_js) > 0 |
| 2468 |
|| ( 'all' === $this->options['enable_defer_js'] && 'async_using_js' === $this->options['defer_js_type'] ) |
| 2469 |
) { |
| 2470 |
add_action('wp_head', array('WP_Optimize_Minify_Print', 'add_load_async'), 0); |
| 2471 |
} |
| 2472 |
|
| 2473 |
// Process script module from generated html |
| 2474 |
ob_start(array($this, "process_script_modules")); |
| 2475 |
} |
| 2476 |
|
| 2477 |
/** |
| 2478 |
* Extract scripts tags from html buffer using regex |
| 2479 |
* |
| 2480 |
* @param string $html - HTML document as string |
| 2481 |
* @return array |
| 2482 |
*/ |
| 2483 |
private function get_scripts($html) { |
| 2484 |
|
| 2485 |
preg_match_all('/<script([^>]*)>/Umi', $html, $script_matches, PREG_SET_ORDER); |
| 2486 |
|
| 2487 |
$modified_script_matches = array(); |
| 2488 |
foreach ($script_matches as $script) { |
| 2489 |
$script['url'] = ''; |
| 2490 |
$script['handle'] = ''; |
| 2491 |
$script['version'] = ''; |
| 2492 |
$script['type'] = ''; |
| 2493 |
$attributes = WP_Optimize_Utils::parse_attributes($script[1]); |
| 2494 |
|
| 2495 |
if (isset($attributes['src'])) { |
| 2496 |
$script['url'] = $attributes['src']; |
| 2497 |
$url_query = wp_parse_url($script['url'], PHP_URL_QUERY); |
| 2498 |
$output = array(); |
| 2499 |
wp_parse_str($url_query, $output); |
| 2500 |
if (isset($output['ver'])) $script['version'] = $output['ver']; |
| 2501 |
} |
| 2502 |
|
| 2503 |
// Extract the id/handle from attribute's array if present |
| 2504 |
if (isset($attributes['id'])) $script['handle'] = $attributes['id']; |
| 2505 |
|
| 2506 |
// Extract the type from attribute's array if present |
| 2507 |
if (isset($attributes['type'])) $script['type'] = $attributes['type']; |
| 2508 |
|
| 2509 |
$modified_script_matches[] = $script; |
| 2510 |
} |
| 2511 |
|
| 2512 |
return $modified_script_matches; |
| 2513 |
} |
| 2514 |
|
| 2515 |
/** |
| 2516 |
* Extract `importmap` json object from html buffer using regex |
| 2517 |
* |
| 2518 |
* @param string $html - HTML document as string |
| 2519 |
* @return array |
| 2520 |
*/ |
| 2521 |
private function get_script_module_importmap($html) { |
| 2522 |
preg_match('/<script\s+type\s*=\s*[\'"]importmap.*>(?<importmap>.*)<\/script>/Umsi', $html, $match); |
| 2523 |
if (!empty($match) && isset($match['importmap'])) return json_decode($match['importmap'], true); |
| 2524 |
|
| 2525 |
return array(); |
| 2526 |
} |
| 2527 |
|
| 2528 |
/** |
| 2529 |
* Handles css processing |
| 2530 |
*/ |
| 2531 |
private function process_css() { |
| 2532 |
add_action('wp_head', array($this, 'add_critical_path'), 2); |
| 2533 |
|
| 2534 |
// merge, if inline is selected but prevent optimization for these locations |
| 2535 |
if ($this->options['inline_css']) { |
| 2536 |
// this prints the styles (not fonts) and checks the 'colllect google fonts' |
| 2537 |
add_filter('style_loader_tag', array($this, 'inline_css'), PHP_INT_MAX, 4); |
| 2538 |
// this prints the google fonts |
| 2539 |
add_action('wp_print_styles', array($this, 'add_google_fonts_merged'), PHP_INT_MAX); |
| 2540 |
add_action('wp_print_footer_scripts', array($this, 'add_google_fonts_merged'), PHP_INT_MAX); |
| 2541 |
} |
| 2542 |
// Preloading |
| 2543 |
if ($this->options['enabled_css_preload']) { |
| 2544 |
add_filter('style_loader_tag', array($this, 'collect_css_preload_headers'), PHP_INT_MAX, 3); |
| 2545 |
} |
| 2546 |
// Optimize the css and collect the google fonts for merging |
| 2547 |
add_action('wp_print_styles', array($this, 'process_header_css'), PHP_INT_MAX); |
| 2548 |
add_action('wp_print_footer_scripts', array($this, 'process_footer_css'), 9); |
| 2549 |
|
| 2550 |
/** |
| 2551 |
* Filters whether or not to ignore the order of the CSS files, and group them by media type |
| 2552 |
* |
| 2553 |
* @param boolean $maintain_css_order |
| 2554 |
* @return boolean |
| 2555 |
* @default true |
| 2556 |
*/ |
| 2557 |
if (!apply_filters('wpo_minify_maintain_css_order', true)) { |
| 2558 |
// Reorder stylesheets |
| 2559 |
add_filter('wpo_minify_stylesheets', array($this, 'order_stylesheets_per_media_type'), 10); |
| 2560 |
} |
| 2561 |
} |
| 2562 |
|
| 2563 |
/** |
| 2564 |
* Determines whether we should minify html or not |
| 2565 |
*/ |
| 2566 |
private function should_process_html() { |
| 2567 |
return $this->options['html_minification'] && !is_admin() && $this->is_cache_preload(); |
| 2568 |
} |
| 2569 |
|
| 2570 |
/** |
| 2571 |
* Determines whether to use loadCSS polyfill or not |
| 2572 |
*/ |
| 2573 |
private function should_use_loadCSS() { |
| 2574 |
return $this->options['loadcss'] |
| 2575 |
|| 'async' === $this->options['fawesome_method'] |
| 2576 |
|| 'async' === $this->options['gfonts_method']; |
| 2577 |
} |
| 2578 |
|
| 2579 |
/** |
| 2580 |
* Removes query string from static assets |
| 2581 |
*/ |
| 2582 |
private function remove_query_string_from_static_assets() { |
| 2583 |
add_filter('style_loader_src', array('WP_Optimize_Minify_Functions', 'remove_cssjs_ver'), 10, 2); |
| 2584 |
add_filter('script_loader_src', array('WP_Optimize_Minify_Functions', 'remove_cssjs_ver'), 10, 2); |
| 2585 |
} |
| 2586 |
|
| 2587 |
/** |
| 2588 |
* Converts the lines in a textarea option value into an array |
| 2589 |
* |
| 2590 |
* @param string $option |
| 2591 |
* @return array |
| 2592 |
*/ |
| 2593 |
private function convert_option_to_array($option) { |
| 2594 |
return trim($option) ? array_map('trim', explode("\n", trim($option))) : array(); |
| 2595 |
} |
| 2596 |
|
| 2597 |
/** |
| 2598 |
* Retrieves excluded css URLs as an array |
| 2599 |
* |
| 2600 |
* @return array |
| 2601 |
*/ |
| 2602 |
private function get_excluded_css_list() { |
| 2603 |
$excluded_css = $this->options['exclude_css']; |
| 2604 |
return $this->convert_option_to_array($excluded_css); |
| 2605 |
} |
| 2606 |
|
| 2607 |
/** |
| 2608 |
* Retrieves async css URLs as an array |
| 2609 |
* |
| 2610 |
* @return array |
| 2611 |
*/ |
| 2612 |
private function get_async_css_list() { |
| 2613 |
$async_css = $this->options['async_css']; |
| 2614 |
return $this->convert_option_to_array($async_css); |
| 2615 |
} |
| 2616 |
|
| 2617 |
/** |
| 2618 |
* Retrieves excluded javascript URLs as an array |
| 2619 |
* |
| 2620 |
* @return array |
| 2621 |
*/ |
| 2622 |
private function get_excluded_js_list() { |
| 2623 |
$excluded_js = $this->options['exclude_js']; |
| 2624 |
return $this->convert_option_to_array($excluded_js); |
| 2625 |
} |
| 2626 |
|
| 2627 |
/** |
| 2628 |
* Retrieves async javascript URLs as an array |
| 2629 |
* |
| 2630 |
* @return array |
| 2631 |
*/ |
| 2632 |
private function get_async_js_list() { |
| 2633 |
$async_js = $this->options['async_js']; |
| 2634 |
return $this->convert_option_to_array($async_js); |
| 2635 |
} |
| 2636 |
|
| 2637 |
/** |
| 2638 |
* Retrieves pre connect headers as an array |
| 2639 |
* |
| 2640 |
* @return array |
| 2641 |
*/ |
| 2642 |
private function get_pre_connect_list() { |
| 2643 |
$pre_connect = $this->options['hpreconnect']; |
| 2644 |
return $this->convert_option_to_array($pre_connect); |
| 2645 |
} |
| 2646 |
|
| 2647 |
/** |
| 2648 |
* Array to string conversion |
| 2649 |
* |
| 2650 |
* @param array $arr |
| 2651 |
* @return string |
| 2652 |
*/ |
| 2653 |
private function array_to_string_conversion($arr) { |
| 2654 |
$str = ''; |
| 2655 |
// implode won't work, because element can be an array |
| 2656 |
foreach ($arr as $value) { |
| 2657 |
$str .= is_array($value) ? '' : $value; |
| 2658 |
} |
| 2659 |
return $str; |
| 2660 |
} |
| 2661 |
|
| 2662 |
/** |
| 2663 |
* Decides whether minify cache should be incremented or not |
| 2664 |
* |
| 2665 |
* @param string $res |
| 2666 |
* @param string $href |
| 2667 |
* @param string $type |
| 2668 |
* @param string $handle |
| 2669 |
* @param string $version |
| 2670 |
* |
| 2671 |
* @return bool true when cache is invalid, false otherwise |
| 2672 |
*/ |
| 2673 |
private function should_reset_minify_assets($res, $href, $type, $handle, $version) { |
| 2674 |
if (isset($res['request']['version']) && $res['request']['version'] != $version && !$this->minify_cache_incremented) { |
| 2675 |
$enable_minification = $this->options['enable_'.$type.'_minification'] && !WP_Optimize_Minify_Functions::is_minified_css_js_filename($href); |
| 2676 |
$new_json = WP_Optimize_Minify_Functions::download_and_minify($href, null, $enable_minification, $type, $handle, $version); |
| 2677 |
$new_res = json_decode($new_json, true); |
| 2678 |
|
| 2679 |
/** |
| 2680 |
* In case `download_and_minify` fails because of |
| 2681 |
* Network issues, Syntax errors in updated code, |
| 2682 |
* Wrong use of `wpo_minify_get_js` and `wpo_minify_get_css` filters |
| 2683 |
* We don't want to invalidate current assets, so bail out |
| 2684 |
*/ |
| 2685 |
if (null === $new_res) return false; |
| 2686 |
|
| 2687 |
$hash = hash('sha256', $res['code']); |
| 2688 |
$new_hash = hash('sha256', $new_res['code']); |
| 2689 |
return strcmp($hash, $new_hash); |
| 2690 |
} |
| 2691 |
} |
| 2692 |
} |
| 2693 |
|
