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<?php |
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
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|
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// initialize |
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if ( is_admin() ) { |
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add_action( 'admin_menu', 'autoptimize_extra_admin' ); |
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add_filter( 'autoptimize_filter_settingsscreen_tabs','add_autoptimize_extra_tab' ); |
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} else { |
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autoptimize_extra_init(); |
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} |
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|
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// get option |
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function autoptimize_extra_get_options() { |
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$_default_val = array("autoptimize_extra_checkbox_field_1"=>"0","autoptimize_extra_checkbox_field_0"=>"0","autoptimize_extra_radio_field_4"=>"1","autoptimize_extra_text_field_2"=>"","autoptimize_extra_text_field_3"=>""); |
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$_option_val = get_option( 'autoptimize_extra_settings' ); |
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if (empty($_option_val)) { |
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$_option_val = $_default_val; |
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} |
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return $_option_val; |
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} |
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|
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// frontend init |
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function autoptimize_extra_init() { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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|
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/* disable emojis */ |
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if ( !empty($autoptimize_extra_options['autoptimize_extra_checkbox_field_1']) ) { |
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autoptimize_extra_disable_emojis(); |
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} |
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|
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/* remove version from query string */ |
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if ( !empty($autoptimize_extra_options['autoptimize_extra_checkbox_field_0']) ) { |
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add_filter( 'script_loader_src', 'autoptimize_extra_remove_qs', 15, 1 ); |
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add_filter( 'style_loader_src', 'autoptimize_extra_remove_qs', 15, 1 ); |
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} |
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|
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/* async JS */ |
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if (!empty($autoptimize_extra_options['autoptimize_extra_text_field_3'])) { |
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add_filter('autoptimize_filter_js_exclude','autoptimize_extra_async_js',10,1); |
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} |
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|
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/* optimize google fonts */ |
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if ( !empty( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] ) && ( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] != "1" ) ) { |
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add_filter( 'wp_resource_hints', 'autoptimize_extra_gfonts_remove_dnsprefetch', 10, 2 ); |
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if ( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] == "2" ) { |
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add_filter('autoptimize_filter_css_removables','autoptimize_extra_remove_gfonts',10,1); |
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} else { |
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add_filter('autoptimize_html_after_minify','autoptimize_extra_gfonts',10,1); |
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add_filter('autoptimize_extra_filter_tobepreconn','autoptimize_extra_preconnectgooglefonts',10,1); |
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} |
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} |
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|
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/* preconnect */ |
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if ( !empty($autoptimize_extra_options['autoptimize_extra_text_field_2']) || has_filter('autoptimize_extra_filter_tobepreconn') ) { |
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add_filter( 'wp_resource_hints', 'autoptimize_extra_preconnect', 10, 2 ); |
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} |
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} |
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|
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// disable emoji's functions |
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function autoptimize_extra_disable_emojis() { |
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// all actions related to emojis |
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remove_action( 'admin_print_styles', 'print_emoji_styles' ); |
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remove_action( 'wp_head', 'print_emoji_detection_script', 7 ); |
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remove_action( 'admin_print_scripts', 'print_emoji_detection_script' ); |
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remove_action( 'wp_print_styles', 'print_emoji_styles' ); |
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remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' ); |
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remove_filter( 'the_content_feed', 'wp_staticize_emoji' ); |
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remove_filter( 'comment_text_rss', 'wp_staticize_emoji' ); |
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|
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// filter to remove TinyMCE emojis |
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add_filter( 'tiny_mce_plugins', 'autoptimize_extra_disable_emojis_tinymce' ); |
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|
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// and remove dns-prefetch for emoji |
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add_filter( 'wp_resource_hints', 'autoptimize_extra_emojis_remove_dns_prefetch', 10, 2 ); |
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} |
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|
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function autoptimize_extra_disable_emojis_tinymce( $plugins ) { |
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if ( is_array( $plugins ) ) { |
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return array_diff( $plugins, array( 'wpemoji' ) ); |
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} else { |
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return array(); |
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} |
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} |
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|
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function autoptimize_extra_emojis_remove_dns_prefetch( $urls, $relation_type ) { |
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$_emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/' ); |
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|
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return autoptimize_extra_remove_dns_prefetch( $urls, $relation_type, $_emoji_svg_url ); |
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} |
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|
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// remove query string function |
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function autoptimize_extra_remove_qs( $src ) { |
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if ( strpos($src, '?ver=') ) { |
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$src = remove_query_arg( 'ver', $src ); |
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} |
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return $src; |
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} |
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|
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// async function |
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function autoptimize_extra_async_js($in) { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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|
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// get exclusions |
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$AO_JSexclArrayIn = array(); |
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if (!empty($in)) { |
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$AO_JSexclArrayIn = array_fill_keys(array_filter(array_map('trim',explode(",",$in))),""); |
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} |
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|
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// get asyncs |
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$_fromSetting = $autoptimize_extra_options['autoptimize_extra_text_field_3']; |
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$AO_asynced_JS = array_fill_keys(array_filter(array_map('trim',explode(",",$_fromSetting))),""); |
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foreach ($AO_asynced_JS as $JSkey => $JSvalue) { |
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$AO_asynced_JS[$JSkey] = "async"; |
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} |
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|
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// merge exclusions & asyncs in one array and return to AO API |
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$AO_excl_w_async = array_merge( $AO_JSexclArrayIn, $AO_asynced_JS ); |
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return $AO_excl_w_async; |
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} |
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|
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// preconnect function |
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function autoptimize_extra_preconnect($hints, $relation_type) { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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|
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// get setting and store in array |
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$_to_be_preconnected = array_filter(array_map('trim',explode(",",$autoptimize_extra_options['autoptimize_extra_text_field_2']))); |
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$_to_be_preconnected = apply_filters( 'autoptimize_extra_filter_tobepreconn', $_to_be_preconnected ); |
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|
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// walk array, extract domain and add to new array with crossorigin attribute |
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foreach ($_to_be_preconnected as $_preconn_single) { |
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$_preconn_parsed = parse_url($_preconn_single); |
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|
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if ( is_array($_preconn_parsed) && empty($_preconn_parsed['scheme']) ) { |
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$_preconn_domain = "//".$_preconn_parsed['host']; |
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} else if ( is_array($_preconn_parsed) ) { |
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$_preconn_domain = $_preconn_parsed['scheme']."://".$_preconn_parsed['host']; |
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} |
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|
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if ( !empty($_preconn_domain) ) { |
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$_preconn_hint = array('href' => $_preconn_domain); |
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// fonts don't get preconnected unless crossorigin flag is set, non-fonts don't get preconnected if origin flag is set |
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// so hardcode fonts.gstatic.com to come with crossorigin and have filter to add other domains if needed |
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$_preconn_crossorigin = apply_filters( 'autoptimize_extra_filter_preconn_crossorigin', array('https://fonts.gstatic.com') ); |
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if ( in_array( $_preconn_domain, $_preconn_crossorigin ) ) { |
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$_preconn_hint['crossorigin'] = 'anonymous'; |
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} |
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$_new_hints[] = $_preconn_hint; |
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} |
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} |
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|
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// merge in wordpress' preconnect hints |
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if ( 'preconnect' === $relation_type && !empty($_new_hints) ) { |
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$hints = array_merge($hints, $_new_hints); |
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} |
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|
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return $hints; |
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} |
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|
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// google font functions |
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function autoptimize_extra_gfonts_remove_dnsprefetch ( $urls, $relation_type ) { |
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$_gfonts_url = "fonts.googleapis.com"; |
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|
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return autoptimize_extra_remove_dns_prefetch( $urls, $relation_type, $_gfonts_url ); |
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} |
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|
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function autoptimize_extra_remove_gfonts($in) { |
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// simply remove google fonts |
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return $in.", fonts.googleapis.com"; |
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} |
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|
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function autoptimize_extra_gfonts($in) { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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|
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// extract fonts, partly based on wp rocket's extraction code |
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$_without_comments = preg_replace( '/<!--(.*)-->/Uis', '', $in ); |
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preg_match_all( '#<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>#iU', $_without_comments, $matches ); |
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|
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$i = 0; |
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$fontsCollection = array(); |
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if ( ! $matches[2] ) { |
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return $in; |
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} |
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|
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// store them in $fonts array |
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foreach ( $matches[2] as $font ) { |
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if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) { |
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// Get fonts name. |
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$font = str_replace( array( '%7C', '%7c' ) , '|', $font ); |
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$font = explode( 'family=', $font ); |
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$font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array(); |
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// Add font to $fonts[$i] but make sure not to pollute with an empty family |
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$_thisfont = array_values( array_filter( explode( '|', reset( $font ) ) ) ); |
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if ( !empty($_thisfont) ) { |
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$fontsCollection[$i]["fonts"] = $_thisfont; |
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// And add subset if any |
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$subset = ( is_array( $font ) ) ? end( $font ) : ''; |
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if ( false !== strpos( $subset, 'subset=' ) ) { |
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$subset = explode( 'subset=', $subset ); |
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$fontsCollection[$i]["subsets"] = explode( ',', $subset[1] ); |
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} |
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} |
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// And remove Google Fonts. |
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$in = str_replace( $matches[0][ $i ], '', $in ); |
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} |
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$i++; |
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} |
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|
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$_fontsOut=""; |
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if ( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] == "3" ) { |
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// aggregate & link |
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$_fontsString=""; |
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$_subsetString=""; |
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foreach ($fontsCollection as $font) { |
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$_fontsString .= '|'.trim( implode( '|' , $font["fonts"] ), '|' ); |
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if ( !empty( $font["subsets"] ) ) { |
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$_subsetString .= implode( ',', $font["subsets"] ); |
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} |
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} |
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|
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if (!empty($_subsetString)) { |
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$_fontsString = $_fontsString."#038;subset=".$_subsetString; |
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} |
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|
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$_fontsString = str_replace( '|', '%7C', ltrim($_fontsString,'|') ); |
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|
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if ( ! empty( $_fontsString ) ) { |
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$_fontsOut = '<link rel="stylesheet" id="ao_optimized_gfonts" href="https://fonts.googleapis.com/css?family=' . $_fontsString . '" />'; |
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} |
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} else if ( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] == "4" ) { |
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// aggregate & load async (webfont.js impl.) |
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$_fontsArray = array(); |
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foreach ($fontsCollection as $_fonts) { |
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if ( !empty( $_fonts["subsets"] ) ) { |
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$_subset = implode(",",$_fonts["subsets"]); |
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foreach ($_fonts["fonts"] as $key => $_one_font) { |
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$_one_font = $_one_font.":".$_subset; |
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$_fonts["fonts"][$key] = $_one_font; |
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} |
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} |
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$_fontsArray = array_merge($_fontsArray, $_fonts["fonts"]); |
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} |
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|
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$_fontsOut = '<script data-cfasync="false" type="text/javascript">WebFontConfig={google:{families:[\''; |
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foreach ($_fontsArray as $_font) { |
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$_fontsOut .= $_font."','"; |
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} |
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$_fontsOut = trim(trim($_fontsOut,"'"),","); |
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$_fontsOut .= '] },classes:false, events:false, timeout:1500};(function() {var wf = document.createElement(\'script\');wf.src=\'https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js\';wf.type=\'text/javascript\';wf.defer=\'true\';var s=document.getElementsByTagName(\'script\')[0];s.parentNode.insertBefore(wf, s);})();</script>'; |
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} |
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|
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// inject in HTML |
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$out = substr_replace($in, $_fontsOut."<link", strpos($in, "<link"), strlen("<link")); |
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return $out; |
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} |
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|
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function autoptimize_extra_preconnectgooglefonts($in) { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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|
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// preconnect to fonts.gstatic.com speed up download of static font-files |
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$in[] = "https://fonts.gstatic.com"; |
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if ( $autoptimize_extra_options['autoptimize_extra_radio_field_4'] == "4" ) { |
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// and more preconnects for webfont.js |
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$in[] = "https://ajax.googleapis.com"; |
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$in[] = "https://fonts.googleapis.com"; |
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} |
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return $in; |
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} |
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|
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function autoptimize_extra_remove_dns_prefetch( $urls, $relation_type, $_remove_url ) { |
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if ( 'dns-prefetch' == $relation_type ) { |
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$_count=0; |
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foreach ($urls as $_url) { |
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if ( strpos($_url, $_remove_url) !== false ) { |
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unset($urls[$_count]); |
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} |
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$_count++; |
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} |
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} |
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|
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return $urls; |
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} |
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|
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/* admin page functions */ |
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function autoptimize_extra_admin() { |
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add_submenu_page( null, 'autoptimize_extra', 'autoptimize_extra', 'manage_options', 'autoptimize_extra', 'autoptimize_extra_options_page' ); |
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register_setting( 'autoptimize_extra_settings', 'autoptimize_extra_settings' ); |
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} |
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|
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function add_autoptimize_extra_tab($in) { |
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$in=array_merge($in,array('autoptimize_extra' => __('Extra','autoptimize'))); |
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return $in; |
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} |
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|
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function autoptimize_extra_options_page() { |
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$autoptimize_extra_options = autoptimize_extra_get_options(); |
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$_googlef = $autoptimize_extra_options['autoptimize_extra_radio_field_4']; |
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?> |
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<style> |
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#ao_settings_form {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;} |
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#ao_settings_form .form-table th {font-weight: 100;} |
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#autoptimize_extra_descr{font-size: 120%;} |
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</style> |
| 303 |
<div class="wrap"> |
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<h1><?php _e('Autoptimize Settings','autoptimize'); ?></h1> |
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<?php echo autoptimizeConfig::ao_admin_tabs(); ?> |
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<form id='ao_settings_form' action='options.php' method='post'> |
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<?php settings_fields('autoptimize_extra_settings'); ?> |
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<h2><?php _e('Extra Auto-Optimizations','autoptimize'); ?></h2> |
| 309 |
<span id='autoptimize_extra_descr'><?php _e('The following settings can improve your site\'s performance even more.','autoptimize'); ?></span> |
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<table class="form-table"> |
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<tr> |
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<th scope="row"><?php _e('Remove emojis','autoptimize'); ?></th> |
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<td> |
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<label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_1]' <?php if (!empty($autoptimize_extra_options['autoptimize_extra_checkbox_field_1']) && 1 == $autoptimize_extra_options['autoptimize_extra_checkbox_field_1']) echo 'checked="checked"'; ?> value='1'><?php _e('Removes WordPress\' core emojis\' inline CSS, inline JavaScript, and an otherwise un-autoptimized JavaScript file.','autoptimize'); ?></label> |
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</td> |
| 316 |
</tr> |
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<tr> |
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<th scope="row"><?php _e('Remove query strings from static resources','autoptimize'); ?></th> |
| 319 |
<td> |
| 320 |
<label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_0]' <?php if (!empty( $autoptimize_extra_options['autoptimize_extra_checkbox_field_0']) && 1 == $autoptimize_extra_options['autoptimize_extra_checkbox_field_0']) echo 'checked="checked"'; ?> value='1'><?php _e('Removing query strings (or more specificaly the <code>ver</code> parameter) will not improve load time, but might improve performance scores.','autoptimize'); ?></label> |
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</td> |
| 322 |
</tr> |
| 323 |
<tr> |
| 324 |
<th scope="row"><?php _e('Google Fonts','autoptimize'); ?></th> |
| 325 |
<td> |
| 326 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="1" <?php if (!in_array($_googlef,array(2,3,4))) {echo "checked"; } ?> ><?php _e('Leave as is','autoptimize'); ?><br/> |
| 327 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="2" <?php checked(2, $_googlef, true); ?> ><?php _e('Remove Google Fonts','autoptimize'); ?><br/> |
| 328 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="3" <?php checked(3, $_googlef, true); ?> ><?php _e('Combine and link in head','autoptimize'); ?><br/> |
| 329 |
<input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="4" <?php checked(4, $_googlef, true); ?> ><?php _e('Combine and load fonts asynchronously with <a href="https://github.com/typekit/webfontloader#readme" target="_blank">webfont.js</a>','autoptimize'); ?><br/> |
| 330 |
</td> |
| 331 |
</tr> |
| 332 |
<tr> |
| 333 |
<th scope="row"><?php _e('Preconnect to 3rd party domains <em>(advanced users)</em>','autoptimize'); ?></th> |
| 334 |
<td> |
| 335 |
<label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_2]' value='<?php echo $autoptimize_extra_options['autoptimize_extra_text_field_2']; ?>'><br /><?php _e('Add 3rd party domains you want the browser to <a href="https://www.keycdn.com/support/preconnect/#primary" target="_blank">preconnect</a> to, separated by comma\'s. Make sure to include the correct protocol (HTTP or HTTPS).','autoptimize'); ?></label> |
| 336 |
</td> |
| 337 |
</tr> |
| 338 |
<tr> |
| 339 |
<th scope="row"><?php _e('Async Javascript-files <em>(advanced users)</em>','autoptimize'); ?></th> |
| 340 |
<td> |
| 341 |
<input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_3]' value='<?php echo $autoptimize_extra_options['autoptimize_extra_text_field_3']; ?>'> |
| 342 |
<br /> |
| 343 |
<?php _e('Comma-separated list of local or 3rd party JS-files that should loaded with the <code>async</code> flag. JS-files from your own site will be automatically excluded if added here.','autoptimize'); ?> |
| 344 |
</td> |
| 345 |
</tr> |
| 346 |
</table> |
| 347 |
<p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="Save Changes" /></p> |
| 348 |
</form> |
| 349 |
<?php |
| 350 |
} |
| 351 |
|
