| 1 |
<?php |
| 2 |
/* |
| 3 |
* Autoptimize SpeedUp; minify & cache each JS/ CSS separately |
| 4 |
* new in Autoptimize 2.2 |
| 5 |
*/ |
| 6 |
|
| 7 |
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
| 8 |
|
| 9 |
function ao_js_snippetcacher($jsin,$jsfilename) { |
| 10 |
$md5hash = "snippet_".md5($jsin); |
| 11 |
$ccheck = new autoptimizeCache($md5hash,'js'); |
| 12 |
if($ccheck->check()) { |
| 13 |
$scriptsrc = $ccheck->retrieve(); |
| 14 |
} else { |
| 15 |
if ( (strpos($jsfilename,"min.js") === false) && ( strpos($jsfilename,"js/jquery/jquery.js") === false ) && ( str_replace(apply_filters('autoptimize_filter_js_consider_minified',false), '', $jsfilename) === $jsfilename ) ) { |
| 16 |
if(class_exists('JSMin')) { |
| 17 |
$tmp_jscode = trim(JSMin::minify($jsin)); |
| 18 |
if (!empty($tmp_jscode)) { |
| 19 |
$scriptsrc = $tmp_jscode; |
| 20 |
unset($tmp_jscode); |
| 21 |
} else { |
| 22 |
$scriptsrc=$jsin; |
| 23 |
} |
| 24 |
} else { |
| 25 |
$scriptsrc=$jsin; |
| 26 |
} |
| 27 |
} else { |
| 28 |
// do some housekeeping here to remove comments & linebreaks and stuff |
| 29 |
$scriptsrc=preg_replace("#^\s*\/\/.*$#Um","",$jsin); |
| 30 |
$scriptsrc=preg_replace("#^\s*\/\*[^!].*\*\/\s?#Us","",$scriptsrc); |
| 31 |
$scriptsrc=preg_replace("#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#", "\n", $scriptsrc); |
| 32 |
} |
| 33 |
|
| 34 |
if ( (substr($scriptsrc,-1,1)!==";") && (substr($scriptsrc,-1,1)!=="}") ) { |
| 35 |
$scriptsrc.=";"; |
| 36 |
} |
| 37 |
|
| 38 |
if ( !empty($jsfilename) && str_replace( apply_filters('autoptimize_filter_js_speedup_cache',false), '', $jsfilename ) === $jsfilename ) { |
| 39 |
// don't cache inline CSS or if filter says no |
| 40 |
$ccheck->cache($scriptsrc,'text/javascript'); |
| 41 |
} |
| 42 |
} |
| 43 |
unset($ccheck); |
| 44 |
|
| 45 |
return $scriptsrc; |
| 46 |
} |
| 47 |
|
| 48 |
function ao_css_snippetcacher($cssin,$cssfilename) { |
| 49 |
$md5hash = "snippet_".md5($cssin); |
| 50 |
$ccheck = new autoptimizeCache($md5hash,'css'); |
| 51 |
if($ccheck->check()) { |
| 52 |
$stylesrc = $ccheck->retrieve(); |
| 53 |
} else { |
| 54 |
if ( ( strpos($cssfilename,"min.css") === false ) && ( str_replace( apply_filters('autoptimize_filter_css_consider_minified',false), '', $cssfilename ) === $cssfilename ) ) { |
| 55 |
if (class_exists('Minify_CSS_Compressor')) { |
| 56 |
$tmp_code = trim(Minify_CSS_Compressor::process($cssin)); |
| 57 |
} else if(class_exists('CSSmin')) { |
| 58 |
$cssmin = new CSSmin(); |
| 59 |
if (method_exists($cssmin,"run")) { |
| 60 |
$tmp_code = trim($cssmin->run($cssin)); |
| 61 |
} elseif (@is_callable(array($cssmin,"minify"))) { |
| 62 |
$tmp_code = trim(CssMin::minify($cssin)); |
| 63 |
} |
| 64 |
} |
| 65 |
|
| 66 |
if (!empty($tmp_code)) { |
| 67 |
$stylesrc = $tmp_code; |
| 68 |
unset($tmp_code); |
| 69 |
} else { |
| 70 |
$stylesrc = $cssin; |
| 71 |
} |
| 72 |
} else { |
| 73 |
// .min.css -> no heavy-lifting, just some cleanup |
| 74 |
$stylesrc=preg_replace("#^\s*\/\*[^!].*\*\/\s?#Us","",$cssin); |
| 75 |
$stylesrc=preg_replace("#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#", "\n", $stylesrc); |
| 76 |
$stylesrc=autoptimizeStyles::fixurls($cssfilename,$stylesrc); |
| 77 |
} |
| 78 |
if ( !empty($cssfilename) && ( str_replace( apply_filters('autoptimize_filter_css_speedup_cache',false), '', $cssfilename ) === $cssfilename ) ) { |
| 79 |
// only cache CSS if not inline and allowed by filter |
| 80 |
$ccheck->cache($stylesrc,'text/css'); |
| 81 |
} |
| 82 |
} |
| 83 |
unset($ccheck); |
| 84 |
return $stylesrc; |
| 85 |
} |
| 86 |
|
| 87 |
function ao_css_speedup_cleanup($cssin) { |
| 88 |
// speedupper results in aggregated CSS not being minified, so the filestart-marker AO adds when aggregating need to be removed |
| 89 |
return trim(str_replace(array('/*FILESTART*/','/*FILESTART2*/'),'',$cssin)); |
| 90 |
} |
| 91 |
|
| 92 |
function ao_js_speedup_cleanup($jsin) { |
| 93 |
// cleanup |
| 94 |
return trim($jsin); |
| 95 |
} |
| 96 |
|
| 97 |
// conditionally attach filters |
| 98 |
if ( apply_filters('autoptimize_css_do_minify',true) ) { |
| 99 |
add_filter('autoptimize_css_individual_style','ao_css_snippetcacher',10,2); |
| 100 |
add_filter('autoptimize_css_after_minify','ao_css_speedup_cleanup',10,1); |
| 101 |
} |
| 102 |
if ( apply_filters('autoptimize_js_do_minify',true) ) { |
| 103 |
add_filter('autoptimize_js_individual_script','ao_js_snippetcacher',10,2); |
| 104 |
add_filter('autoptimize_js_after_minify','ao_js_speedup_cleanup',10,1); |
| 105 |
} |
| 106 |
|
