Completed
Pull Request — master (#107)
by
unknown
01:51
created
classes/autoptimizeStyles.php 1 patch
Spacing   +188 added lines, -188 removed lines patch added patch discarded remove patch
@@ -1,5 +1,5 @@  discard block
 block discarded – undo
1 1
 <?php
2
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
2
+if (!defined('ABSPATH')) exit; // Exit if accessed directly
3 3
 
4 4
 class autoptimizeStyles extends autoptimizeBase {
5 5
 
@@ -23,12 +23,12 @@  discard block
 block discarded – undo
23 23
 
24 24
     //Reads the page and collects style tags
25 25
     public function read($options) {
26
-        $noptimizeCSS = apply_filters( 'autoptimize_filter_css_noptimize', false, $this->content );
26
+        $noptimizeCSS = apply_filters('autoptimize_filter_css_noptimize', false, $this->content);
27 27
         if ($noptimizeCSS) return false;
28 28
 
29
-        $whitelistCSS = apply_filters( 'autoptimize_filter_css_whitelist', '', $this->content );
29
+        $whitelistCSS = apply_filters('autoptimize_filter_css_whitelist', '', $this->content);
30 30
         if (!empty($whitelistCSS)) {
31
-            $this->whitelist = array_filter(array_map('trim',explode(",",$whitelistCSS)));
31
+            $this->whitelist = array_filter(array_map('trim', explode(",", $whitelistCSS)));
32 32
         }
33 33
         
34 34
         if ($options['nogooglefont'] == true) {
@@ -36,54 +36,54 @@  discard block
 block discarded – undo
36 36
         } else {
37 37
             $removableCSS = "";
38 38
         }
39
-        $removableCSS = apply_filters( 'autoptimize_filter_css_removables', $removableCSS);
39
+        $removableCSS = apply_filters('autoptimize_filter_css_removables', $removableCSS);
40 40
         if (!empty($removableCSS)) {
41
-            $this->cssremovables = array_filter(array_map('trim',explode(",",$removableCSS)));
41
+            $this->cssremovables = array_filter(array_map('trim', explode(",", $removableCSS)));
42 42
         }
43 43
 
44
-        $this->cssinlinesize = apply_filters('autoptimize_filter_css_inlinesize',256);
44
+        $this->cssinlinesize = apply_filters('autoptimize_filter_css_inlinesize', 256);
45 45
 
46 46
         // filter to "late inject minified CSS", default to true for now (it is faster)
47
-        $this->inject_min_late = apply_filters('autoptimize_filter_css_inject_min_late',true);
47
+        $this->inject_min_late = apply_filters('autoptimize_filter_css_inject_min_late', true);
48 48
 
49 49
         // Remove everything that's not the header
50
-        if ( apply_filters('autoptimize_filter_css_justhead',$options['justhead']) == true ) {
51
-            $content = explode('</head>',$this->content,2);
50
+        if (apply_filters('autoptimize_filter_css_justhead', $options['justhead']) == true) {
51
+            $content = explode('</head>', $this->content, 2);
52 52
             $this->content = $content[0].'</head>';
53 53
             $this->restofcontent = $content[1];
54 54
         }
55 55
 
56 56
         // include inline?
57
-        if( apply_filters('autoptimize_css_include_inline',$options['include_inline']) == true ) {
57
+        if (apply_filters('autoptimize_css_include_inline', $options['include_inline']) == true) {
58 58
             $this->include_inline = true;
59 59
         }
60 60
         
61 61
         // what CSS shouldn't be autoptimized
62 62
         $excludeCSS = $options['css_exclude'];
63
-        $excludeCSS = apply_filters( 'autoptimize_filter_css_exclude', $excludeCSS, $this->content );
64
-        if ($excludeCSS!=="") {
65
-            $this->dontmove = array_filter(array_map('trim',explode(",",$excludeCSS)));
63
+        $excludeCSS = apply_filters('autoptimize_filter_css_exclude', $excludeCSS, $this->content);
64
+        if ($excludeCSS !== "") {
65
+            $this->dontmove = array_filter(array_map('trim', explode(",", $excludeCSS)));
66 66
         } else {
67 67
             $this->dontmove = array();
68 68
         }
69 69
         
70 70
         // forcefully exclude CSS with data-noptimize attrib
71
-        $this->dontmove[]="data-noptimize";
71
+        $this->dontmove[] = "data-noptimize";
72 72
 
73 73
         // should we defer css?
74 74
         // value: true/ false
75 75
         $this->defer = $options['defer'];
76
-        $this->defer = apply_filters( 'autoptimize_filter_css_defer', $this->defer, $this->content );
76
+        $this->defer = apply_filters('autoptimize_filter_css_defer', $this->defer, $this->content);
77 77
 
78 78
         // should we inline while deferring?
79 79
         // value: inlined CSS
80 80
         $this->defer_inline = $options['defer_inline'];
81
-        $this->defer_inline = apply_filters( 'autoptimize_filter_css_defer_inline', $this->defer_inline, $this->content );
81
+        $this->defer_inline = apply_filters('autoptimize_filter_css_defer_inline', $this->defer_inline, $this->content);
82 82
 
83 83
         // should we inline?
84 84
         // value: true/ false
85 85
         $this->inline = $options['inline'];
86
-        $this->inline = apply_filters( 'autoptimize_filter_css_inline', $this->inline, $this->content );
86
+        $this->inline = apply_filters('autoptimize_filter_css_inline', $this->inline, $this->content);
87 87
         
88 88
         // get cdn url
89 89
         $this->cdn_url = $options['cdn_url'];
@@ -95,7 +95,7 @@  discard block
 block discarded – undo
95 95
         $this->content = $this->hide_noptimize($this->content);
96 96
         
97 97
         // exclude (no)script, as those may contain CSS which should be left as is
98
-        if ( strpos( $this->content, '<script' ) !== false ) { 
98
+        if (strpos($this->content, '<script') !== false) { 
99 99
             $this->content = preg_replace_callback(
100 100
                 '#<(?:no)?script.*?<\/(?:no)?script>#is',
101 101
                 create_function(
@@ -113,65 +113,65 @@  discard block
 block discarded – undo
113 113
         $this->content = $this->hide_comments($this->content);
114 114
         
115 115
         // Get <style> and <link>
116
-        if(preg_match_all('#(<style[^>]*>.*</style>)|(<link[^>]*stylesheet[^>]*>)#Usmi',$this->content,$matches)) {
117
-            foreach($matches[0] as $tag) {
118
-                if ($this->isremovable($tag,$this->cssremovables)) {
119
-                    $this->content = str_replace($tag,'',$this->content);
116
+        if (preg_match_all('#(<style[^>]*>.*</style>)|(<link[^>]*stylesheet[^>]*>)#Usmi', $this->content, $matches)) {
117
+            foreach ($matches[0] as $tag) {
118
+                if ($this->isremovable($tag, $this->cssremovables)) {
119
+                    $this->content = str_replace($tag, '', $this->content);
120 120
                 } else if ($this->ismovable($tag)) {
121 121
                     // Get the media
122
-                    if(strpos($tag,'media=')!==false) {
123
-                        preg_match('#media=(?:"|\')([^>]*)(?:"|\')#Ui',$tag,$medias);
124
-                        $medias = explode(',',$medias[1]);
122
+                    if (strpos($tag, 'media=') !== false) {
123
+                        preg_match('#media=(?:"|\')([^>]*)(?:"|\')#Ui', $tag, $medias);
124
+                        $medias = explode(',', $medias[1]);
125 125
                         $media = array();
126
-                        foreach($medias as $elem) {
127
-                            if (empty($elem)) { $elem="all"; }
126
+                        foreach ($medias as $elem) {
127
+                            if (empty($elem)) { $elem = "all"; }
128 128
                             $media[] = $elem;
129 129
                         }
130 130
                     } else {
131 131
                         // No media specified - applies to all
132 132
                         $media = array('all');
133 133
                     }
134
-                    $media = apply_filters( 'autoptimize_filter_css_tagmedia',$media,$tag );
134
+                    $media = apply_filters('autoptimize_filter_css_tagmedia', $media, $tag);
135 135
                 
136
-                    if(preg_match('#<link.*href=("|\')(.*)("|\')#Usmi',$tag,$source)) {
136
+                    if (preg_match('#<link.*href=("|\')(.*)("|\')#Usmi', $tag, $source)) {
137 137
                         // <link>
138
-                        $explUrl = explode('?',$source[2],2);
138
+                        $explUrl = explode('?', $source[2], 2);
139 139
                         $url = $explUrl[0];
140 140
                         $path = $this->getpath($url);
141 141
                         
142
-                        if($path!==false && preg_match('#\.css$#',$path)) {
142
+                        if ($path !== false && preg_match('#\.css$#', $path)) {
143 143
                             // Good link
144
-                            $this->css[] = array($media,$path);
145
-                        }else{
144
+                            $this->css[] = array($media, $path);
145
+                        } else {
146 146
                             // Link is dynamic (.php etc)
147 147
                             $tag = '';
148 148
                         }
149 149
                     } else {
150 150
                         // inline css in style tags can be wrapped in comment tags, so restore comments
151 151
                         $tag = $this->restore_comments($tag);
152
-                        preg_match('#<style.*>(.*)</style>#Usmi',$tag,$code);
152
+                        preg_match('#<style.*>(.*)</style>#Usmi', $tag, $code);
153 153
 
154 154
                         // and re-hide them to be able to to the removal based on tag
155 155
                         $tag = $this->hide_comments($tag);
156 156
 
157
-                        if ( $this->include_inline ) {
158
-                            $code = preg_replace('#^.*<!\[CDATA\[(?:\s*\*/)?(.*)(?://|/\*)\s*?\]\]>.*$#sm','$1',$code[1]);
159
-                            $this->css[] = array($media,'INLINE;'.$code);
157
+                        if ($this->include_inline) {
158
+                            $code = preg_replace('#^.*<!\[CDATA\[(?:\s*\*/)?(.*)(?://|/\*)\s*?\]\]>.*$#sm', '$1', $code[1]);
159
+                            $this->css[] = array($media, 'INLINE;'.$code);
160 160
                         } else {
161 161
                             $tag = '';
162 162
                         }
163 163
                     }
164 164
                     
165 165
                     // Remove the original style tag
166
-                    $this->content = str_replace($tag,'',$this->content);
166
+                    $this->content = str_replace($tag, '', $this->content);
167 167
                 } else {
168 168
 					// excluded CSS, minify if getpath 
169
-					if (preg_match('#<link.*href=("|\')(.*)("|\')#Usmi',$tag,$source)) {
170
-						$explUrl = explode('?',$source[2],2);
169
+					if (preg_match('#<link.*href=("|\')(.*)("|\')#Usmi', $tag, $source)) {
170
+						$explUrl = explode('?', $source[2], 2);
171 171
                         $url = $explUrl[0];
172 172
                         $path = $this->getpath($url);
173 173
  					
174
-						if ($path && apply_filters('autoptimize_filter_css_minify_excluded',false)) {
174
+						if ($path && apply_filters('autoptimize_filter_css_minify_excluded', false)) {
175 175
 							$_CachedMinifiedUrl = $this->minify_single($path);
176 176
 
177 177
 							if (!empty($_CachedMinifiedUrl)) {
@@ -182,12 +182,12 @@  discard block
 block discarded – undo
182 182
 							}
183 183
 							
184 184
 							// remove querystring from URL
185
-							if ( !empty($explUrl[1]) ) {
186
-								$newTag = str_replace("?".$explUrl[1],"",$newTag);
185
+							if (!empty($explUrl[1])) {
186
+								$newTag = str_replace("?".$explUrl[1], "", $newTag);
187 187
 							}
188 188
 
189 189
 							// and replace
190
-							$this->content = str_replace($tag,$newTag,$this->content);
190
+							$this->content = str_replace($tag, $newTag, $this->content);
191 191
 						}
192 192
 					}					
193 193
 				}
@@ -200,31 +200,31 @@  discard block
 block discarded – undo
200 200
     
201 201
     // Joins and optimizes CSS
202 202
     public function minify() {
203
-        foreach($this->css as $group) {
204
-            list($media,$css) = $group;
205
-            if(preg_match('#^INLINE;#',$css)) {
203
+        foreach ($this->css as $group) {
204
+            list($media, $css) = $group;
205
+            if (preg_match('#^INLINE;#', $css)) {
206 206
                 // <style>
207
-                $css = preg_replace('#^INLINE;#','',$css);
208
-                $css = $this->fixurls(ABSPATH.'/index.php',$css);
209
-                $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $css, "" );
210
-                if ( has_filter('autoptimize_css_individual_style') && !empty($tmpstyle) ) {
211
-                    $css=$tmpstyle;
212
-                    $this->alreadyminified=true;
207
+                $css = preg_replace('#^INLINE;#', '', $css);
208
+                $css = $this->fixurls(ABSPATH.'/index.php', $css);
209
+                $tmpstyle = apply_filters('autoptimize_css_individual_style', $css, "");
210
+                if (has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {
211
+                    $css = $tmpstyle;
212
+                    $this->alreadyminified = true;
213 213
                 }
214 214
             } else {
215 215
                 //<link>
216
-                if($css !== false && file_exists($css) && is_readable($css)) {
216
+                if ($css !== false && file_exists($css) && is_readable($css)) {
217 217
                     $cssPath = $css;
218 218
                     $cssContents = file_get_contents($cssPath);
219 219
                     $cssHash = md5($cssContents);
220
-                    $css = $this->fixurls($cssPath,$cssContents);
221
-                    $css = preg_replace('/\x{EF}\x{BB}\x{BF}/','',$css);
222
-                    $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $css, $cssPath );
220
+                    $css = $this->fixurls($cssPath, $cssContents);
221
+                    $css = preg_replace('/\x{EF}\x{BB}\x{BF}/', '', $css);
222
+                    $tmpstyle = apply_filters('autoptimize_css_individual_style', $css, $cssPath);
223 223
                     if (has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {
224
-                        $css=$tmpstyle;
225
-                        $this->alreadyminified=true;
226
-                    } else if ($this->can_inject_late($cssPath,$css)) {
227
-                        $css="/*!%%INJECTLATER%%".base64_encode($cssPath)."|".$cssHash."%%INJECTLATER%%*/";
224
+                        $css = $tmpstyle;
225
+                        $this->alreadyminified = true;
226
+                    } else if ($this->can_inject_late($cssPath, $css)) {
227
+                        $css = "/*!%%INJECTLATER%%".base64_encode($cssPath)."|".$cssHash."%%INJECTLATER%%*/";
228 228
                     }
229 229
                 } else {
230 230
                     // Couldn't read CSS. Maybe getpath isn't working?
@@ -232,8 +232,8 @@  discard block
 block discarded – undo
232 232
                 }
233 233
             }
234 234
             
235
-            foreach($media as $elem) {
236
-                if(!isset($this->csscode[$elem]))
235
+            foreach ($media as $elem) {
236
+                if (!isset($this->csscode[$elem]))
237 237
                     $this->csscode[$elem] = '';
238 238
                 $this->csscode[$elem] .= "\n/*FILESTART*/".$css;
239 239
             }
@@ -242,12 +242,12 @@  discard block
 block discarded – undo
242 242
         // Check for duplicate code
243 243
         $md5list = array();
244 244
         $tmpcss = $this->csscode;
245
-        foreach($tmpcss as $media => $code) {
245
+        foreach ($tmpcss as $media => $code) {
246 246
             $md5sum = md5($code);
247 247
             $medianame = $media;
248
-            foreach($md5list as $med => $sum) {
248
+            foreach ($md5list as $med => $sum) {
249 249
                 // If same code
250
-                if($sum === $md5sum) {
250
+                if ($sum === $md5sum) {
251 251
                     //Add the merged code
252 252
                     $medianame = $med.', '.$media;
253 253
                     $this->csscode[$medianame] = $code;
@@ -267,30 +267,30 @@  discard block
 block discarded – undo
267 267
             $external_imports = "";
268 268
 
269 269
             // remove comments to avoid importing commented-out imports
270
-            $thiscss_nocomments = preg_replace('#/\*.*\*/#Us','',$thiscss);
270
+            $thiscss_nocomments = preg_replace('#/\*.*\*/#Us', '', $thiscss);
271 271
 
272
-            while(preg_match_all('#@import.*(?:;|$)#Um',$thiscss_nocomments,$matches)) {
273
-                foreach($matches[0] as $import)    {
274
-                    if ($this->isremovable($import,$this->cssremovables)) {
275
-                        $thiscss = str_replace($import,'',$thiscss);
272
+            while (preg_match_all('#@import.*(?:;|$)#Um', $thiscss_nocomments, $matches)) {
273
+                foreach ($matches[0] as $import) {
274
+                    if ($this->isremovable($import, $this->cssremovables)) {
275
+                        $thiscss = str_replace($import, '', $thiscss);
276 276
                         $import_ok = true;
277 277
                     } else {
278
-                        $url = trim(preg_replace('#^.*((?:https?:|ftp:)?//.*\.css).*$#','$1',trim($import))," \t\n\r\0\x0B\"'");
278
+                        $url = trim(preg_replace('#^.*((?:https?:|ftp:)?//.*\.css).*$#', '$1', trim($import)), " \t\n\r\0\x0B\"'");
279 279
                         $path = $this->getpath($url);
280 280
                         $import_ok = false;
281 281
                         if (file_exists($path) && is_readable($path)) {
282
-                            $code = addcslashes($this->fixurls($path,file_get_contents($path)),"\\");
283
-                            $code = preg_replace('/\x{EF}\x{BB}\x{BF}/','',$code);
284
-                            $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $code, "" );
285
-                            if ( has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {
286
-                                $code=$tmpstyle;
287
-                                $this->alreadyminified=true;
288
-                            } else if ($this->can_inject_late($path,$code)) {
289
-                                $code="/*!%%INJECTLATER".AUTOPTIMIZE_HASH."%%".base64_encode($path)."|".md5($code)."%%INJECTLATER%%*/";
282
+                            $code = addcslashes($this->fixurls($path, file_get_contents($path)), "\\");
283
+                            $code = preg_replace('/\x{EF}\x{BB}\x{BF}/', '', $code);
284
+                            $tmpstyle = apply_filters('autoptimize_css_individual_style', $code, "");
285
+                            if (has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {
286
+                                $code = $tmpstyle;
287
+                                $this->alreadyminified = true;
288
+                            } else if ($this->can_inject_late($path, $code)) {
289
+                                $code = "/*!%%INJECTLATER".AUTOPTIMIZE_HASH."%%".base64_encode($path)."|".md5($code)."%%INJECTLATER%%*/";
290 290
                             }
291 291
                             
292
-                            if(!empty($code)) {
293
-                                $tmp_thiscss = preg_replace('#(/\*FILESTART\*/.*)'.preg_quote($import,'#').'#Us','/*FILESTART2*/'.$code.'$1',$thiscss);
292
+                            if (!empty($code)) {
293
+                                $tmp_thiscss = preg_replace('#(/\*FILESTART\*/.*)'.preg_quote($import, '#').'#Us', '/*FILESTART2*/'.$code.'$1', $thiscss);
294 294
                                 if (!empty($tmp_thiscss)) {
295 295
                                     $thiscss = $tmp_thiscss;
296 296
                                     $import_ok = true;
@@ -304,31 +304,31 @@  discard block
 block discarded – undo
304 304
                     if (!$import_ok) {
305 305
                         // external imports and general fall-back
306 306
                         $external_imports .= $import;
307
-                        $thiscss = str_replace($import,'',$thiscss);
307
+                        $thiscss = str_replace($import, '', $thiscss);
308 308
                         $fiximports = true;
309 309
                     }
310 310
                 }
311
-                $thiscss = preg_replace('#/\*FILESTART\*/#','',$thiscss);
312
-                $thiscss = preg_replace('#/\*FILESTART2\*/#','/*FILESTART*/',$thiscss);
311
+                $thiscss = preg_replace('#/\*FILESTART\*/#', '', $thiscss);
312
+                $thiscss = preg_replace('#/\*FILESTART2\*/#', '/*FILESTART*/', $thiscss);
313 313
                 
314 314
                 // and update $thiscss_nocomments before going into next iteration in while loop
315
-                $thiscss_nocomments=preg_replace('#/\*.*\*/#Us','',$thiscss);
315
+                $thiscss_nocomments = preg_replace('#/\*.*\*/#Us', '', $thiscss);
316 316
             }
317 317
             unset($thiscss_nocomments);
318 318
             
319 319
             // add external imports to top of aggregated CSS
320
-            if($fiximports) {
321
-                $thiscss=$external_imports.$thiscss;
320
+            if ($fiximports) {
321
+                $thiscss = $external_imports.$thiscss;
322 322
             }
323 323
         }
324 324
         unset($thiscss);
325 325
         
326 326
         // $this->csscode has all the uncompressed code now. 
327
-        foreach($this->csscode as &$code) {
327
+        foreach ($this->csscode as &$code) {
328 328
             // Check for already-minified code
329 329
             $hash = md5($code);
330
-            $ccheck = new autoptimizeCache($hash,'css');
331
-            if($ccheck->check()) {
330
+            $ccheck = new autoptimizeCache($hash, 'css');
331
+            if ($ccheck->check()) {
332 332
                 $code = $ccheck->retrieve();
333 333
                 $this->hashmap[md5($code)] = $hash;
334 334
                 continue;
@@ -337,44 +337,44 @@  discard block
 block discarded – undo
337 337
 
338 338
             // Do the imaging!
339 339
             $imgreplace = array();
340
-            preg_match_all( self::ASSETS_REGEX, $code, $matches );
340
+            preg_match_all(self::ASSETS_REGEX, $code, $matches);
341 341
 
342
-            if ( ($this->datauris == true) && (function_exists('base64_encode')) && (is_array($matches)) ) {
343
-                foreach($matches[1] as $count => $quotedurl) {
344
-                    $iurl = trim($quotedurl," \t\n\r\0\x0B\"'");
342
+            if (($this->datauris == true) && (function_exists('base64_encode')) && (is_array($matches))) {
343
+                foreach ($matches[1] as $count => $quotedurl) {
344
+                    $iurl = trim($quotedurl, " \t\n\r\0\x0B\"'");
345 345
 
346 346
                     // if querystring, remove it from url
347
-                    if (strpos($iurl,'?') !== false) { $iurl = strtok($iurl,'?'); }
347
+                    if (strpos($iurl, '?') !== false) { $iurl = strtok($iurl, '?'); }
348 348
                     
349 349
                     $ipath = $this->getpath($iurl);
350 350
 
351 351
                     $datauri_max_size = 4096;
352
-                    $datauri_max_size = (int) apply_filters( 'autoptimize_filter_css_datauri_maxsize', $datauri_max_size );
353
-                    $datauri_exclude = apply_filters( 'autoptimize_filter_css_datauri_exclude', "");
352
+                    $datauri_max_size = (int) apply_filters('autoptimize_filter_css_datauri_maxsize', $datauri_max_size);
353
+                    $datauri_exclude = apply_filters('autoptimize_filter_css_datauri_exclude', "");
354 354
                     if (!empty($datauri_exclude)) {
355
-                        $no_datauris=array_filter(array_map('trim',explode(",",$datauri_exclude)));
355
+                        $no_datauris = array_filter(array_map('trim', explode(",", $datauri_exclude)));
356 356
                         foreach ($no_datauris as $no_datauri) {
357
-                            if (strpos($iurl,$no_datauri)!==false) {
358
-                                $ipath=false;
357
+                            if (strpos($iurl, $no_datauri) !== false) {
358
+                                $ipath = false;
359 359
                                 break;
360 360
                             }
361 361
                         }
362 362
                     }
363 363
 
364
-                    if($ipath != false && preg_match('#\.(jpe?g|png|gif|bmp)$#i',$ipath) && file_exists($ipath) && is_readable($ipath) && filesize($ipath) <= $datauri_max_size) {
365
-                        $ihash=md5($ipath);
366
-                        $icheck = new autoptimizeCache($ihash,'img');
367
-                        if($icheck->check()) {
364
+                    if ($ipath != false && preg_match('#\.(jpe?g|png|gif|bmp)$#i', $ipath) && file_exists($ipath) && is_readable($ipath) && filesize($ipath) <= $datauri_max_size) {
365
+                        $ihash = md5($ipath);
366
+                        $icheck = new autoptimizeCache($ihash, 'img');
367
+                        if ($icheck->check()) {
368 368
                             // we have the base64 image in cache
369
-                            $headAndData=$icheck->retrieve();
370
-                            $_base64data=explode(";base64,",$headAndData);
371
-                            $base64data=$_base64data[1];
369
+                            $headAndData = $icheck->retrieve();
370
+                            $_base64data = explode(";base64,", $headAndData);
371
+                            $base64data = $_base64data[1];
372 372
                         } else {
373 373
                             // It's an image and we don't have it in cache, get the type
374
-                            $explA=explode('.',$ipath);
375
-                            $type=end($explA);
374
+                            $explA = explode('.', $ipath);
375
+                            $type = end($explA);
376 376
 
377
-                            switch($type) {
377
+                            switch ($type) {
378 378
                                 case 'jpeg':
379 379
                                     $dataurihead = 'data:image/jpeg;base64,';
380 380
                                     break;
@@ -396,42 +396,42 @@  discard block
 block discarded – undo
396 396
                         
397 397
                             // Encode the data
398 398
                             $base64data = base64_encode(file_get_contents($ipath));
399
-                            $headAndData=$dataurihead.$base64data;
399
+                            $headAndData = $dataurihead.$base64data;
400 400
 
401 401
                             // Save in cache
402
-                            $icheck->cache($headAndData,"text/plain");
402
+                            $icheck->cache($headAndData, "text/plain");
403 403
                         }
404 404
                         unset($icheck);
405 405
 
406 406
                         // Add it to the list for replacement
407
-                        $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$headAndData,$matches[0][$count]);
407
+                        $imgreplace[$matches[0][$count]] = str_replace($quotedurl, $headAndData, $matches[0][$count]);
408 408
                     } else {
409 409
                         // just cdn the URL if applicable
410 410
                         if (!empty($this->cdn_url)) {
411
-                            $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$this->maybe_cdn_urls($quotedurl),$matches[0][$count]);
411
+                            $imgreplace[$matches[0][$count]] = str_replace($quotedurl, $this->maybe_cdn_urls($quotedurl), $matches[0][$count]);
412 412
 						}
413 413
                     }
414 414
                 }
415 415
             } else if ((is_array($matches)) && (!empty($this->cdn_url))) {
416 416
                 // change urls to cdn-url
417
-                foreach($matches[1] as $count => $quotedurl) {
418
-                    $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$this->maybe_cdn_urls($quotedurl),$matches[0][$count]);
417
+                foreach ($matches[1] as $count => $quotedurl) {
418
+                    $imgreplace[$matches[0][$count]] = str_replace($quotedurl, $this->maybe_cdn_urls($quotedurl), $matches[0][$count]);
419 419
                 }
420 420
             }
421 421
             
422
-            if(!empty($imgreplace)) {
423
-                $code = str_replace(array_keys($imgreplace),array_values($imgreplace),$code);
422
+            if (!empty($imgreplace)) {
423
+                $code = str_replace(array_keys($imgreplace), array_values($imgreplace), $code);
424 424
             }
425 425
             
426 426
             // Minify
427
-            if (($this->alreadyminified!==true) && (apply_filters( "autoptimize_css_do_minify", true))) {
427
+            if (($this->alreadyminified !== true) && (apply_filters("autoptimize_css_do_minify", true))) {
428 428
                 if (class_exists('Minify_CSS_Compressor')) {
429 429
                     $tmp_code = trim(Minify_CSS_Compressor::process($code));
430
-                } else if(class_exists('CSSmin')) {
430
+                } else if (class_exists('CSSmin')) {
431 431
                     $cssmin = new CSSmin();
432
-                    if (method_exists($cssmin,"run")) {
432
+                    if (method_exists($cssmin, "run")) {
433 433
                         $tmp_code = trim($cssmin->run($code));
434
-                    } elseif (@is_callable(array($cssmin,"minify"))) {
434
+                    } elseif (@is_callable(array($cssmin, "minify"))) {
435 435
                         $tmp_code = trim(CssMin::minify($code));
436 436
                     }
437 437
                 }
@@ -443,7 +443,7 @@  discard block
 block discarded – undo
443 443
             
444 444
             $code = $this->inject_minified($code);
445 445
             
446
-            $tmp_code = apply_filters( 'autoptimize_css_after_minify', $code );
446
+            $tmp_code = apply_filters('autoptimize_css_after_minify', $code);
447 447
             if (!empty($tmp_code)) {
448 448
                 $code = $tmp_code;
449 449
                 unset($tmp_code);
@@ -458,13 +458,13 @@  discard block
 block discarded – undo
458 458
     //Caches the CSS in uncompressed, deflated and gzipped form.
459 459
     public function cache() {
460 460
         // CSS cache
461
-        foreach($this->csscode as $media => $code) {
461
+        foreach ($this->csscode as $media => $code) {
462 462
             $md5 = $this->hashmap[md5($code)];
463 463
                 
464
-            $cache = new autoptimizeCache($md5,'css');
465
-            if(!$cache->check()) {
464
+            $cache = new autoptimizeCache($md5, 'css');
465
+            if (!$cache->check()) {
466 466
                 // Cache our code
467
-                $cache->cache($code,'text/css');
467
+                $cache->cache($code, 'text/css');
468 468
             }
469 469
             $this->url[$media] = AUTOPTIMIZE_CACHE_URL.$cache->getname();
470 470
         }
@@ -479,7 +479,7 @@  discard block
 block discarded – undo
479 479
         $this->content = $this->restore_comments($this->content);
480 480
         
481 481
         // restore (no)script
482
-        if ( strpos( $this->content, '%%SCRIPT%%' ) !== false ) { 
482
+        if (strpos($this->content, '%%SCRIPT%%') !== false) { 
483 483
             $this->content = preg_replace_callback(
484 484
                 '#%%SCRIPT'.AUTOPTIMIZE_HASH.'%%(.*?)%%SCRIPT%%#is',
485 485
                 create_function(
@@ -494,55 +494,55 @@  discard block
 block discarded – undo
494 494
         $this->content = $this->restore_noptimize($this->content);
495 495
         
496 496
         //Restore the full content
497
-        if(!empty($this->restofcontent)) {
497
+        if (!empty($this->restofcontent)) {
498 498
             $this->content .= $this->restofcontent;
499 499
             $this->restofcontent = '';
500 500
         }
501 501
         
502 502
         // Inject the new stylesheets
503
-        $replaceTag = array("<title","before");
504
-        $replaceTag = apply_filters( 'autoptimize_filter_css_replacetag', $replaceTag, $this->content );
503
+        $replaceTag = array("<title", "before");
504
+        $replaceTag = apply_filters('autoptimize_filter_css_replacetag', $replaceTag, $this->content);
505 505
 
506 506
         if ($this->inline == true) {
507
-            foreach($this->csscode as $media => $code) {
508
-                $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$code.'</style>',$replaceTag);
507
+            foreach ($this->csscode as $media => $code) {
508
+                $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$code.'</style>', $replaceTag);
509 509
             }
510 510
         } else {
511 511
             if ($this->defer == true) {
512 512
                 $preloadCssBlock = "";
513 513
                 $noScriptCssBlock = "<noscript id=\"aonoscrcss\">";
514
-                $defer_inline_code=$this->defer_inline;
515
-                if(!empty($defer_inline_code)){
516
-                    if ( apply_filters( 'autoptimize_filter_css_critcss_minify', true ) ) {
514
+                $defer_inline_code = $this->defer_inline;
515
+                if (!empty($defer_inline_code)) {
516
+                    if (apply_filters('autoptimize_filter_css_critcss_minify', true)) {
517 517
                         $iCssHash = md5($defer_inline_code);
518
-                        $iCssCache = new autoptimizeCache($iCssHash,'css');
519
-                        if($iCssCache->check()) { 
518
+                        $iCssCache = new autoptimizeCache($iCssHash, 'css');
519
+                        if ($iCssCache->check()) { 
520 520
                             // we have the optimized inline CSS in cache
521
-                            $defer_inline_code=$iCssCache->retrieve();
521
+                            $defer_inline_code = $iCssCache->retrieve();
522 522
                         } else {
523 523
                             if (class_exists('Minify_CSS_Compressor')) {
524 524
                                 $tmp_code = trim(Minify_CSS_Compressor::process($defer_inline_code));
525
-                            } else if(class_exists('CSSmin')) {
525
+                            } else if (class_exists('CSSmin')) {
526 526
                                 $cssmin = new CSSmin();
527 527
                                 $tmp_code = trim($cssmin->run($defer_inline_code));
528 528
                             }
529 529
                             if (!empty($tmp_code)) {
530 530
                                 $defer_inline_code = $tmp_code;
531
-                                $iCssCache->cache($defer_inline_code,"text/css");
531
+                                $iCssCache->cache($defer_inline_code, "text/css");
532 532
                                 unset($tmp_code);
533 533
                             }
534 534
                         }
535 535
                     }
536
-                    $code_out='<style type="text/css" id="aoatfcss" media="all">'.$defer_inline_code.'</style>';
537
-                    $this->inject_in_html($code_out,$replaceTag);
536
+                    $code_out = '<style type="text/css" id="aoatfcss" media="all">'.$defer_inline_code.'</style>';
537
+                    $this->inject_in_html($code_out, $replaceTag);
538 538
                 }
539 539
             }
540 540
 
541
-            foreach($this->url as $media => $url) {
541
+            foreach ($this->url as $media => $url) {
542 542
                 $url = $this->url_replace_cdn($url);
543 543
                 
544 544
                 //Add the stylesheet either deferred (import at bottom) or normal links in head
545
-                if($this->defer == true) {
545
+                if ($this->defer == true) {
546 546
                     
547 547
                     // Filter to modify the onload attribute - passes value and the stylesheet url
548 548
                     $preloadOnLoad = apply_filters('autoptimize_filter_css_preload_onload', "this.rel='stylesheet'", $url);
@@ -552,25 +552,25 @@  discard block
 block discarded – undo
552 552
                     
553 553
                 } else {
554 554
                     if (strlen($this->csscode[$media]) > $this->cssinlinesize) {
555
-                        $this->inject_in_html('<link type="text/css" media="'.$media.'" href="'.$url.'" rel="stylesheet" />',$replaceTag);
556
-                    } else if (strlen($this->csscode[$media])>0) {
557
-                        $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$this->csscode[$media].'</style>',$replaceTag);
555
+                        $this->inject_in_html('<link type="text/css" media="'.$media.'" href="'.$url.'" rel="stylesheet" />', $replaceTag);
556
+                    } else if (strlen($this->csscode[$media]) > 0) {
557
+                        $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$this->csscode[$media].'</style>', $replaceTag);
558 558
                     }
559 559
                 }
560 560
             }
561 561
             
562
-            if($this->defer == true) {
562
+            if ($this->defer == true) {
563 563
                 $preloadPolyfill = '<script data-cfasync=\'false\'>/*! loadCSS. [c]2017 Filament Group, Inc. MIT License */
564 564
 !function(a){"use strict";var b=function(b,c,d){function e(a){return h.body?a():void setTimeout(function(){e(a)})}function f(){i.addEventListener&&i.removeEventListener("load",f),i.media=d||"all"}var g,h=a.document,i=h.createElement("link");if(c)g=c;else{var j=(h.body||h.getElementsByTagName("head")[0]).childNodes;g=j[j.length-1]}var k=h.styleSheets;i.rel="stylesheet",i.href=b,i.media="only x",e(function(){g.parentNode.insertBefore(i,c?g:g.nextSibling)});var l=function(a){for(var b=i.href,c=k.length;c--;)if(k[c].href===b)return a();setTimeout(function(){l(a)})};return i.addEventListener&&i.addEventListener("load",f),i.onloadcssdefined=l,l(f),i};"undefined"!=typeof exports?exports.loadCSS=b:a.loadCSS=b}("undefined"!=typeof global?global:this);
565 565
 /*! loadCSS rel=preload polyfill. [c]2017 Filament Group, Inc. MIT License */
566 566
 !function(a){if(a.loadCSS){var b=loadCSS.relpreload={};if(b.support=function(){try{return a.document.createElement("link").relList.supports("preload")}catch(b){return!1}},b.poly=function(){for(var b=a.document.getElementsByTagName("link"),c=0;c<b.length;c++){var d=b[c];"preload"===d.rel&&"style"===d.getAttribute("as")&&(a.loadCSS(d.href,d,d.getAttribute("media")),d.rel=null)}},!b.support()){b.poly();var c=a.setInterval(b.poly,300);a.addEventListener&&a.addEventListener("load",function(){b.poly(),a.clearInterval(c)}),a.attachEvent&&a.attachEvent("onload",function(){a.clearInterval(c)})}}}(this);</script>';
567 567
                 $noScriptCssBlock .= "</noscript>";
568
-                $this->inject_in_html($preloadCssBlock.$noScriptCssBlock,$replaceTag);
568
+                $this->inject_in_html($preloadCssBlock.$noScriptCssBlock, $replaceTag);
569 569
                 
570 570
                 // Adds preload polyfill at end of body tag
571 571
                 $this->inject_in_html(
572 572
                     apply_filters('autoptimize_css_preload_polyfill', $preloadPolyfill),
573
-                    array('</body>','before')
573
+                    array('</body>', 'before')
574 574
                 );
575 575
             }
576 576
         }
@@ -581,62 +581,62 @@  discard block
 block discarded – undo
581 581
     
582 582
     static function fixurls($file, $code) {
583 583
         // Switch all imports to the url() syntax
584
-        $code = preg_replace( '#@import ("|\')(.+?)\.css.*?("|\')#', '@import url("${2}.css")', $code );
584
+        $code = preg_replace('#@import ("|\')(.+?)\.css.*?("|\')#', '@import url("${2}.css")', $code);
585 585
 
586
-        if ( preg_match_all( self::ASSETS_REGEX, $code, $matches ) ) {
587
-            $file = str_replace( WP_ROOT_DIR, '/', $file );
588
-            $dir = dirname( $file ); // Like /themes/expound/css
586
+        if (preg_match_all(self::ASSETS_REGEX, $code, $matches)) {
587
+            $file = str_replace(WP_ROOT_DIR, '/', $file);
588
+            $dir = dirname($file); // Like /themes/expound/css
589 589
 
590 590
             // $dir should not contain backslashes, since it's used to replace
591 591
             // urls, but it can contain them when running on Windows because
592 592
             // fixurls() is sometimes called with `ABSPATH . 'index.php'`
593
-            $dir = str_replace( '\\', '/', $dir );
594
-            unset( $file ); // not used below at all
593
+            $dir = str_replace('\\', '/', $dir);
594
+            unset($file); // not used below at all
595 595
 
596 596
             $replace = array();
597
-            foreach ( $matches[1] as $k => $url ) {
597
+            foreach ($matches[1] as $k => $url) {
598 598
                 // Remove quotes
599
-                $url    = trim( $url," \t\n\r\0\x0B\"'" );
600
-                $noQurl = trim( $url, "\"'" );
601
-                if ( $url !== $noQurl ) {
599
+                $url    = trim($url, " \t\n\r\0\x0B\"'");
600
+                $noQurl = trim($url, "\"'");
601
+                if ($url !== $noQurl) {
602 602
                     $removedQuotes = true;
603 603
                 } else {
604 604
                     $removedQuotes = false;
605 605
                 }
606 606
 
607
-                if ( '' === $noQurl ) {
607
+                if ('' === $noQurl) {
608 608
                     continue;
609 609
                 }
610 610
 
611 611
                 $url = $noQurl;
612
-                if ( '/' === $url{0} || preg_match( '#^(https?://|ftp://|data:)#i', $url ) ) {
612
+                if ('/' === $url{0} || preg_match('#^(https?://|ftp://|data:)#i', $url)) {
613 613
                     // URL is protocol-relative, host-relative or something we don't touch
614 614
                     continue;
615 615
                 } else {
616 616
                     // Relative URL
617
-                    $newurl = preg_replace( '/https?:/', '', str_replace( ' ', '%20', AUTOPTIMIZE_WP_ROOT_URL . str_replace( '//', '/', $dir . '/' . $url ) ) );
617
+                    $newurl = preg_replace('/https?:/', '', str_replace(' ', '%20', AUTOPTIMIZE_WP_ROOT_URL.str_replace('//', '/', $dir.'/'.$url)));
618 618
 
619 619
                     // Hash the url + whatever was behind potentially for replacement
620 620
                     // We must do this, or different css classes referencing the same bg image (but
621 621
                     // different parts of it, say, in sprites and such) loose their stuff...
622
-                    $hash = md5( $url . $matches[2][$k] );
623
-                    $code = str_replace( $matches[0][$k], $hash, $code );
622
+                    $hash = md5($url.$matches[2][$k]);
623
+                    $code = str_replace($matches[0][$k], $hash, $code);
624 624
 
625
-                    if ( $removedQuotes ) {
626
-                        $replace[$hash] = "url('" . $newurl . "')" . $matches[2][$k];
625
+                    if ($removedQuotes) {
626
+                        $replace[$hash] = "url('".$newurl."')".$matches[2][$k];
627 627
                     } else {
628
-                        $replace[$hash] = 'url(' . $newurl . ')' . $matches[2][$k];
628
+                        $replace[$hash] = 'url('.$newurl.')'.$matches[2][$k];
629 629
                     }
630 630
                 }
631 631
             }
632 632
 
633
-            if ( ! empty( $replace ) ) {
633
+            if (!empty($replace)) {
634 634
                 // Sort the replacements array by key length in desc order (so that the longest strings are replaced first)
635
-                $keys = array_map( 'strlen', array_keys( $replace ) );
636
-                array_multisort( $keys, SORT_DESC, $replace );
635
+                $keys = array_map('strlen', array_keys($replace));
636
+                array_multisort($keys, SORT_DESC, $replace);
637 637
 
638 638
                 // Replace URLs found within $code
639
-                $code = str_replace( array_keys( $replace ), array_values( $replace ), $code );
639
+                $code = str_replace(array_keys($replace), array_values($replace), $code);
640 640
             }
641 641
         }
642 642
 
@@ -644,11 +644,11 @@  discard block
 block discarded – undo
644 644
     }
645 645
     
646 646
     private function ismovable($tag) {
647
-		if ( apply_filters('autoptimize_filter_css_dontaggregate', false) ) {
647
+		if (apply_filters('autoptimize_filter_css_dontaggregate', false)) {
648 648
 			return false;
649 649
         } else if (!empty($this->whitelist)) {
650 650
             foreach ($this->whitelist as $match) {
651
-                if(strpos($tag,$match)!==false) {
651
+                if (strpos($tag, $match) !== false) {
652 652
                     return true;
653 653
                 }
654 654
             }
@@ -656,8 +656,8 @@  discard block
 block discarded – undo
656 656
             return false;
657 657
         } else {
658 658
             if (is_array($this->dontmove)) {
659
-                foreach($this->dontmove as $match) {
660
-                    if(strpos($tag,$match)!==false) {
659
+                foreach ($this->dontmove as $match) {
660
+                    if (strpos($tag, $match) !== false) {
661 661
                         //Matched something
662 662
                         return false;
663 663
                     }
@@ -669,21 +669,21 @@  discard block
 block discarded – undo
669 669
         }
670 670
     }
671 671
     
672
-    private function can_inject_late($cssPath,$css) {
672
+    private function can_inject_late($cssPath, $css) {
673 673
 		$consider_minified_array = apply_filters('autoptimize_filter_css_consider_minified', false, $cssPath);
674
-        if ( $this->inject_min_late !== true ) {
674
+        if ($this->inject_min_late !== true) {
675 675
             // late-inject turned off
676 676
             return false;
677
-        } else if ( (strpos($cssPath,"min.css") === false) && ( str_replace($consider_minified_array, '', $cssPath) === $cssPath ) ) {
677
+        } else if ((strpos($cssPath, "min.css") === false) && (str_replace($consider_minified_array, '', $cssPath) === $cssPath)) {
678 678
 			// file not minified based on filename & filter
679 679
 			return false;
680
-        } else if ( strpos($css,"@import") !== false ) {
680
+        } else if (strpos($css, "@import") !== false) {
681 681
             // can't late-inject files with imports as those need to be aggregated 
682 682
             return false;
683
-        } else if ( (strpos($css,"@font-face")!==false ) && ( apply_filters("autoptimize_filter_css_fonts_cdn",false)===true) && (!empty($this->cdn_url)) ) {
683
+        } else if ((strpos($css, "@font-face") !== false) && (apply_filters("autoptimize_filter_css_fonts_cdn", false) === true) && (!empty($this->cdn_url))) {
684 684
             // don't late-inject CSS with font-src's if fonts are set to be CDN'ed
685 685
             return false;
686
-        } else if ( (($this->datauris == true) || (!empty($this->cdn_url))) && preg_match("#background[^;}]*url\(#Ui",$css) ) {
686
+        } else if ((($this->datauris == true) || (!empty($this->cdn_url))) && preg_match("#background[^;}]*url\(#Ui", $css)) {
687 687
             // don't late-inject CSS with images if CDN is set OR is image inlining is on
688 688
             return false;
689 689
         } else {
@@ -693,11 +693,11 @@  discard block
 block discarded – undo
693 693
     }
694 694
     
695 695
     private function maybe_cdn_urls($inUrl) {
696
-        $url = trim($inUrl," \t\n\r\0\x0B\"'");
697
-        $urlPath = parse_url($url,PHP_URL_PATH);
696
+        $url = trim($inUrl, " \t\n\r\0\x0B\"'");
697
+        $urlPath = parse_url($url, PHP_URL_PATH);
698 698
 
699 699
         // exclude fonts from CDN except if filter returns true
700
-        if ( !preg_match('#\.(woff2?|eot|ttf|otf)$#i',$urlPath) || apply_filters('autoptimize_filter_css_fonts_cdn',false) ) {
700
+        if (!preg_match('#\.(woff2?|eot|ttf|otf)$#i', $urlPath) || apply_filters('autoptimize_filter_css_fonts_cdn', false)) {
701 701
             $cdn_url = $this->url_replace_cdn($url);
702 702
         } else {
703 703
             $cdn_url = $url;
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