Completed
Push — master ( 4bd316...e57bb0 )
by frank
01:51
created
classes/autoptimizeImages.php 2 patches
Doc Comments   +10 added lines, -1 removed lines patch added patch discarded remove patch
@@ -358,6 +358,9 @@  discard block
 block discarded – undo
358 358
         }
359 359
     }
360 360
 
361
+    /**
362
+     * @return string
363
+     */
361 364
     private function get_imgopt_base_url()
362 365
     {
363 366
         static $imgopt_base_url = null;
@@ -693,6 +696,9 @@  discard block
 block discarded – undo
693 696
         return $out;
694 697
     }
695 698
 
699
+    /**
700
+     * @param string $tag
701
+     */
696 702
     public function add_lazyload( $tag, $placeholder = '' ) {
697 703
         // adds actual lazyload-attributes to an image node.
698 704
         if ( str_ireplace( $this->get_lazyload_exclusions(), '', $tag ) === $tag ) {
@@ -812,6 +818,9 @@  discard block
 block discarded – undo
812 818
         return $webp_return;
813 819
     }
814 820
 
821
+    /**
822
+     * @return string
823
+     */
815 824
     public function process_picture_tag( $in, $imgopt = false, $lazy = false ) {
816 825
         // check if "<picture" is present and if filter allows us to process <picture>.
817 826
         if ( strpos( $in, '<picture' ) === false || apply_filters( 'autoptimize_filter_imgopt_dopicture', true ) === false ) {
@@ -1143,7 +1152,7 @@  discard block
 block discarded – undo
1143 1152
     /**
1144 1153
      * Determines and returns the service launch status.
1145 1154
      *
1146
-     * @return bool
1155
+     * @return null|boolean
1147 1156
      */
1148 1157
     public function launch_ok()
1149 1158
     {
Please login to merge, or discard this patch.
Spacing   +310 added lines, -310 removed lines patch added patch discarded remove patch
@@ -3,7 +3,7 @@  discard block
 block discarded – undo
3 3
  * Handles optimizing images.
4 4
  */
5 5
 
6
-if ( ! defined( 'ABSPATH' ) ) {
6
+if (!defined('ABSPATH')) {
7 7
     exit;
8 8
 }
9 9
 
@@ -23,17 +23,17 @@  discard block
 block discarded – undo
23 23
      */
24 24
     protected static $instance = null;
25 25
 
26
-    public function __construct( array $options = array() )
26
+    public function __construct(array $options = array())
27 27
     {
28 28
         // If options are not provided, fetch them.
29
-        if ( empty( $options ) ) {
29
+        if (empty($options)) {
30 30
             $options = $this->fetch_options();
31 31
         }
32 32
 
33
-        $this->set_options( $options );
33
+        $this->set_options($options);
34 34
     }
35 35
 
36
-    public function set_options( array $options )
36
+    public function set_options(array $options)
37 37
     {
38 38
         $this->options = $options;
39 39
 
@@ -42,17 +42,17 @@  discard block
 block discarded – undo
42 42
 
43 43
     public static function fetch_options()
44 44
     {
45
-        $value = get_option( 'autoptimize_imgopt_settings' );
46
-        if ( empty( $value ) ) {
45
+        $value = get_option('autoptimize_imgopt_settings');
46
+        if (empty($value)) {
47 47
             // Fallback to returning defaults when no stored option exists yet.
48 48
             $value = autoptimizeConfig::get_ao_imgopt_default_options();
49 49
         }
50 50
 
51 51
         // get service availability and add it to the options-array.
52
-        $value['availabilities'] = get_option( 'autoptimize_service_availablity' );
52
+        $value['availabilities'] = get_option('autoptimize_service_availablity');
53 53
 
54
-        if ( empty( $value['availabilities'] ) ) {
55
-            $value['availabilities'] = autoptimizeUtils::check_service_availability( true );
54
+        if (empty($value['availabilities'])) {
55
+            $value['availabilities'] = autoptimizeUtils::check_service_availability(true);
56 56
         }
57 57
 
58 58
         return $value;
@@ -65,9 +65,9 @@  discard block
 block discarded – undo
65 65
         // and does not use/ request the availablity data (which could slow things down).
66 66
         static $imgopt_active = null;
67 67
 
68
-        if ( null === $imgopt_active ) {
69
-            $opts = get_option( 'autoptimize_imgopt_settings', '' );
70
-            if ( ! empty( $opts ) && is_array( $opts ) && array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $opts ) && ! empty( $opts['autoptimize_imgopt_checkbox_field_1'] ) && '1' === $opts['autoptimize_imgopt_checkbox_field_1'] ) {
68
+        if (null === $imgopt_active) {
69
+            $opts = get_option('autoptimize_imgopt_settings', '');
70
+            if (!empty($opts) && is_array($opts) && array_key_exists('autoptimize_imgopt_checkbox_field_1', $opts) && !empty($opts['autoptimize_imgopt_checkbox_field_1']) && '1' === $opts['autoptimize_imgopt_checkbox_field_1']) {
71 71
                 $imgopt_active = true;
72 72
             } else {
73 73
                 $imgopt_active = false;
@@ -87,7 +87,7 @@  discard block
 block discarded – undo
87 87
      */
88 88
     public static function instance()
89 89
     {
90
-        if ( null === self::$instance ) {
90
+        if (null === self::$instance) {
91 91
             self::$instance = new self();
92 92
         }
93 93
 
@@ -96,26 +96,26 @@  discard block
 block discarded – undo
96 96
 
97 97
     public function run()
98 98
     {
99
-        if ( is_admin() ) {
100
-            add_action( 'admin_menu', array( $this, 'imgopt_admin_menu' ) );
101
-            add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_imgopt_tab' ), 9 );
99
+        if (is_admin()) {
100
+            add_action('admin_menu', array($this, 'imgopt_admin_menu'));
101
+            add_filter('autoptimize_filter_settingsscreen_tabs', array($this, 'add_imgopt_tab'), 9);
102 102
         } else {
103 103
             $this->run_on_frontend();
104 104
         }
105 105
     }
106 106
 
107 107
     public function run_on_frontend() {
108
-        if ( ! $this->should_run() ) {
109
-            if ( $this->should_lazyload() ) {
108
+        if (!$this->should_run()) {
109
+            if ($this->should_lazyload()) {
110 110
                 add_filter(
111 111
                     'autoptimize_html_after_minify',
112
-                    array( $this, 'filter_lazyload_images' ),
112
+                    array($this, 'filter_lazyload_images'),
113 113
                     10,
114 114
                     1
115 115
                 );
116 116
                 add_action(
117 117
                     'wp_footer',
118
-                    array( $this, 'add_lazyload_js_footer' ),
118
+                    array($this, 'add_lazyload_js_footer'),
119 119
                     10,
120 120
                     0
121 121
                 );
@@ -125,39 +125,39 @@  discard block
 block discarded – undo
125 125
 
126 126
         $active = false;
127 127
 
128
-        if ( apply_filters( 'autoptimize_filter_imgopt_do', true ) ) {
128
+        if (apply_filters('autoptimize_filter_imgopt_do', true)) {
129 129
             add_filter(
130 130
                 'autoptimize_html_after_minify',
131
-                array( $this, 'filter_optimize_images' ),
131
+                array($this, 'filter_optimize_images'),
132 132
                 10,
133 133
                 1
134 134
             );
135 135
             $active = true;
136 136
         }
137 137
 
138
-        if ( apply_filters( 'autoptimize_filter_imgopt_do_css', true ) ) {
138
+        if (apply_filters('autoptimize_filter_imgopt_do_css', true)) {
139 139
             add_filter(
140 140
                 'autoptimize_filter_base_replace_cdn',
141
-                array( $this, 'filter_optimize_css_images' ),
141
+                array($this, 'filter_optimize_css_images'),
142 142
                 10,
143 143
                 1
144 144
             );
145 145
             $active = true;
146 146
         }
147 147
 
148
-        if ( $active ) {
148
+        if ($active) {
149 149
             add_filter(
150 150
                 'autoptimize_extra_filter_tobepreconn',
151
-                array( $this, 'filter_preconnect_imgopt_url' ),
151
+                array($this, 'filter_preconnect_imgopt_url'),
152 152
                 10,
153 153
                 1
154 154
             );
155 155
         }
156 156
 
157
-        if ( $this->should_lazyload() ) {
157
+        if ($this->should_lazyload()) {
158 158
             add_action(
159 159
                 'wp_footer',
160
-                array( $this, 'add_lazyload_js_footer' )
160
+                array($this, 'add_lazyload_js_footer')
161 161
             );
162 162
         }
163 163
     }
@@ -170,8 +170,8 @@  discard block
 block discarded – undo
170 170
     protected function should_run()
171 171
     {
172 172
         $opts              = $this->options;
173
-        $service_not_down  = ( 'down' !== $opts['availabilities']['extra_imgopt']['status'] );
174
-        $not_launch_status = ( 'launch' !== $opts['availabilities']['extra_imgopt']['status'] );
173
+        $service_not_down  = ('down' !== $opts['availabilities']['extra_imgopt']['status']);
174
+        $not_launch_status = ('launch' !== $opts['availabilities']['extra_imgopt']['status']);
175 175
 
176 176
         $do_cdn      = true;
177 177
         $_userstatus = $this->get_imgopt_provider_userstatus();
@@ -183,7 +183,7 @@  discard block
 block discarded – undo
183 183
             $this->imgopt_active()
184 184
             && $do_cdn
185 185
             && $service_not_down
186
-            && ( $not_launch_status || $this->launch_ok() )
186
+            && ($not_launch_status || $this->launch_ok())
187 187
         ) {
188 188
             return true;
189 189
         }
@@ -194,13 +194,13 @@  discard block
 block discarded – undo
194 194
     {
195 195
         static $imgopt_host = null;
196 196
 
197
-        if ( null === $imgopt_host ) {
197
+        if (null === $imgopt_host) {
198 198
             $imgopt_host  = 'https://cdn.shortpixel.ai/';
199 199
             $avail_imgopt = $this->options['availabilities']['extra_imgopt'];
200
-            if ( ! empty( $avail_imgopt ) && array_key_exists( 'hosts', $avail_imgopt ) && is_array( $avail_imgopt['hosts'] ) ) {
201
-                $imgopt_host = array_rand( array_flip( $avail_imgopt['hosts'] ) );
200
+            if (!empty($avail_imgopt) && array_key_exists('hosts', $avail_imgopt) && is_array($avail_imgopt['hosts'])) {
201
+                $imgopt_host = array_rand(array_flip($avail_imgopt['hosts']));
202 202
             }
203
-            $imgopt_host = apply_filters( 'autoptimize_filter_imgopt_host', $imgopt_host );
203
+            $imgopt_host = apply_filters('autoptimize_filter_imgopt_host', $imgopt_host);
204 204
         }
205 205
 
206 206
         return $imgopt_host;
@@ -215,7 +215,7 @@  discard block
 block discarded – undo
215 215
 
216 216
     public static function get_service_url_suffix()
217 217
     {
218
-        $suffix = '/af/GWRGFLW109483/' . AUTOPTIMIZE_SITE_DOMAIN;
218
+        $suffix = '/af/GWRGFLW109483/'.AUTOPTIMIZE_SITE_DOMAIN;
219 219
 
220 220
         return $suffix;
221 221
     }
@@ -224,12 +224,12 @@  discard block
 block discarded – undo
224 224
     {
225 225
         static $quality = null;
226 226
 
227
-        if ( null === $quality ) {
227
+        if (null === $quality) {
228 228
             $q_array = $this->get_img_quality_array();
229 229
             $setting = $this->get_img_quality_setting();
230 230
             $quality = apply_filters(
231 231
                 'autoptimize_filter_imgopt_quality',
232
-                'q_' . $q_array[ $setting ]
232
+                'q_'.$q_array[$setting]
233 233
             );
234 234
         }
235 235
 
@@ -240,7 +240,7 @@  discard block
 block discarded – undo
240 240
     {
241 241
         static $map = null;
242 242
 
243
-        if ( null === $map ) {
243
+        if (null === $map) {
244 244
             $map = array(
245 245
                 '1' => 'lossy',
246 246
                 '2' => 'glossy',
@@ -259,12 +259,12 @@  discard block
 block discarded – undo
259 259
     {
260 260
         static $q = null;
261 261
 
262
-        if ( null === $q ) {
263
-            if ( is_array( $this->options ) && array_key_exists( 'autoptimize_imgopt_select_field_2', $this->options ) ) {
262
+        if (null === $q) {
263
+            if (is_array($this->options) && array_key_exists('autoptimize_imgopt_select_field_2', $this->options)) {
264 264
                 $setting = $this->options['autoptimize_imgopt_select_field_2'];
265 265
             }
266 266
 
267
-            if ( ! isset( $setting ) || empty( $setting ) || ( '1' !== $setting && '3' !== $setting ) ) {
267
+            if (!isset($setting) || empty($setting) || ('1' !== $setting && '3' !== $setting)) {
268 268
                 // default image opt. value is 2 ("glossy").
269 269
                 $q = '2';
270 270
             } else {
@@ -275,10 +275,10 @@  discard block
 block discarded – undo
275 275
         return $q;
276 276
     }
277 277
 
278
-    public function filter_preconnect_imgopt_url( array $in )
278
+    public function filter_preconnect_imgopt_url(array $in)
279 279
     {
280
-        $url_parts = parse_url( $this->get_imgopt_base_url() );
281
-        $in[]      = $url_parts['scheme'] . '://' . $url_parts['host'];
280
+        $url_parts = parse_url($this->get_imgopt_base_url());
281
+        $in[]      = $url_parts['scheme'].'://'.$url_parts['host'];
282 282
 
283 283
         return $in;
284 284
     }
@@ -291,20 +291,20 @@  discard block
 block discarded – undo
291 291
      *
292 292
      * @return string
293 293
      */
294
-    private function normalize_img_url( $in )
294
+    private function normalize_img_url($in)
295 295
     {
296 296
         // Only parse the site url once.
297 297
         static $parsed_site_url = null;
298
-        if ( null === $parsed_site_url ) {
299
-            $parsed_site_url = parse_url( site_url() );
298
+        if (null === $parsed_site_url) {
299
+            $parsed_site_url = parse_url(site_url());
300 300
         }
301 301
 
302 302
         // get CDN domain once.
303 303
         static $cdn_domain = null;
304
-        if ( is_null( $cdn_domain ) ) {
305
-            $cdn_url = apply_filters( 'autoptimize_filter_base_cdnurl', get_option( 'autoptimize_cdn_url', '' ) );
306
-            if ( ! empty( $cdn_url ) ) {
307
-                $cdn_domain = parse_url( $cdn_url, PHP_URL_HOST );
304
+        if (is_null($cdn_domain)) {
305
+            $cdn_url = apply_filters('autoptimize_filter_base_cdnurl', get_option('autoptimize_cdn_url', ''));
306
+            if (!empty($cdn_url)) {
307
+                $cdn_domain = parse_url($cdn_url, PHP_URL_HOST);
308 308
             } else {
309 309
                 $cdn_domain = '';
310 310
             }
@@ -320,39 +320,39 @@  discard block
 block discarded – undo
320 320
          * identical string operations).
321 321
          */
322 322
         static $cache = null;
323
-        if ( null === $cache ) {
323
+        if (null === $cache) {
324 324
             $cache = array();
325 325
         }
326 326
 
327 327
         // Do the work on cache miss only.
328
-        if ( ! isset( $cache[ $in ] ) ) {
328
+        if (!isset($cache[$in])) {
329 329
             // Default to what was given to us.
330
-            $result = trim( $in );
331
-            if ( autoptimizeUtils::is_protocol_relative( $in ) ) {
332
-                $result = $parsed_site_url['scheme'] . ':' . $in;
333
-            } elseif ( 0 === strpos( $in, '/' ) ) {
330
+            $result = trim($in);
331
+            if (autoptimizeUtils::is_protocol_relative($in)) {
332
+                $result = $parsed_site_url['scheme'].':'.$in;
333
+            } elseif (0 === strpos($in, '/')) {
334 334
                 // Root-relative...
335
-                $result  = $parsed_site_url['scheme'] . '://' . $parsed_site_url['host'];
335
+                $result  = $parsed_site_url['scheme'].'://'.$parsed_site_url['host'];
336 336
                 $result .= $in;
337
-            } elseif ( ! empty( $cdn_domain ) && strpos( $in, $cdn_domain ) !== 0 ) {
338
-                $result = str_replace( $cdn_domain, $parsed_site_url['host'], $in );
337
+            } elseif (!empty($cdn_domain) && strpos($in, $cdn_domain) !== 0) {
338
+                $result = str_replace($cdn_domain, $parsed_site_url['host'], $in);
339 339
             }
340 340
 
341
-            $result = apply_filters( 'autoptimize_filter_imgopt_normalized_url', $result );
341
+            $result = apply_filters('autoptimize_filter_imgopt_normalized_url', $result);
342 342
 
343 343
             // Store in cache.
344
-            $cache[ $in ] = $result;
344
+            $cache[$in] = $result;
345 345
         }
346 346
 
347
-        return $cache[ $in ];
347
+        return $cache[$in];
348 348
     }
349 349
 
350
-    public function filter_optimize_css_images( $in )
350
+    public function filter_optimize_css_images($in)
351 351
     {
352
-        $in = $this->normalize_img_url( $in );
352
+        $in = $this->normalize_img_url($in);
353 353
 
354
-        if ( $this->can_optimize_image( $in ) ) {
355
-            return $this->build_imgopt_url( $in, '', '' );
354
+        if ($this->can_optimize_image($in)) {
355
+            return $this->build_imgopt_url($in, '', '');
356 356
         } else {
357 357
             return $in;
358 358
         }
@@ -362,50 +362,50 @@  discard block
 block discarded – undo
362 362
     {
363 363
         static $imgopt_base_url = null;
364 364
 
365
-        if ( null === $imgopt_base_url ) {
365
+        if (null === $imgopt_base_url) {
366 366
             $imgopt_host     = $this->get_imgopt_host();
367 367
             $quality         = $this->get_img_quality_string();
368
-            $ret_val         = apply_filters( 'autoptimize_filter_imgopt_wait', 'ret_img' ); // values: ret_wait, ret_img, ret_json, ret_blank.
369
-            $imgopt_base_url = $imgopt_host . 'client/' . $quality . ',' . $ret_val;
370
-            $imgopt_base_url = apply_filters( 'autoptimize_filter_imgopt_base_url', $imgopt_base_url );
368
+            $ret_val         = apply_filters('autoptimize_filter_imgopt_wait', 'ret_img'); // values: ret_wait, ret_img, ret_json, ret_blank.
369
+            $imgopt_base_url = $imgopt_host.'client/'.$quality.','.$ret_val;
370
+            $imgopt_base_url = apply_filters('autoptimize_filter_imgopt_base_url', $imgopt_base_url);
371 371
         }
372 372
 
373 373
         return $imgopt_base_url;
374 374
     }
375 375
 
376
-    private function can_optimize_image( $url )
376
+    private function can_optimize_image($url)
377 377
     {
378 378
         static $cdn_url      = null;
379 379
         static $nopti_images = null;
380 380
 
381
-        if ( null === $cdn_url ) {
381
+        if (null === $cdn_url) {
382 382
             $cdn_url = apply_filters(
383 383
                 'autoptimize_filter_base_cdnurl',
384
-                get_option( 'autoptimize_cdn_url', '' )
384
+                get_option('autoptimize_cdn_url', '')
385 385
             );
386 386
         }
387 387
 
388
-        if ( null === $nopti_images ) {
389
-            $nopti_images = apply_filters( 'autoptimize_filter_imgopt_noptimize', '' );
388
+        if (null === $nopti_images) {
389
+            $nopti_images = apply_filters('autoptimize_filter_imgopt_noptimize', '');
390 390
         }
391 391
 
392 392
         $site_host  = AUTOPTIMIZE_SITE_DOMAIN;
393
-        $url        = $this->normalize_img_url( $url );
394
-        $url_parsed = parse_url( $url );
393
+        $url        = $this->normalize_img_url($url);
394
+        $url_parsed = parse_url($url);
395 395
 
396
-        if ( array_key_exists( 'host', $url_parsed ) && $url_parsed['host'] !== $site_host && empty( $cdn_url ) ) {
396
+        if (array_key_exists('host', $url_parsed) && $url_parsed['host'] !== $site_host && empty($cdn_url)) {
397 397
             return false;
398
-        } elseif ( ! empty( $cdn_url ) && strpos( $url, $cdn_url ) === false && array_key_exists( 'host', $url_parsed ) && $url_parsed['host'] !== $site_host ) {
398
+        } elseif (!empty($cdn_url) && strpos($url, $cdn_url) === false && array_key_exists('host', $url_parsed) && $url_parsed['host'] !== $site_host) {
399 399
             return false;
400
-        } elseif ( strpos( $url, '.php' ) !== false ) {
400
+        } elseif (strpos($url, '.php') !== false) {
401 401
             return false;
402
-        } elseif ( str_ireplace( array( '.png', '.gif', '.jpg', '.jpeg', '.webp' ), '', $url_parsed['path'] ) === $url_parsed['path'] ) {
402
+        } elseif (str_ireplace(array('.png', '.gif', '.jpg', '.jpeg', '.webp'), '', $url_parsed['path']) === $url_parsed['path']) {
403 403
             // fixme: better check against end of string.
404 404
             return false;
405
-        } elseif ( ! empty( $nopti_images ) ) {
406
-            $nopti_images_array = array_filter( array_map( 'trim', explode( ',', $nopti_images ) ) );
407
-            foreach ( $nopti_images_array as $nopti_image ) {
408
-                if ( strpos( $url, $nopti_image ) !== false ) {
405
+        } elseif (!empty($nopti_images)) {
406
+            $nopti_images_array = array_filter(array_map('trim', explode(',', $nopti_images)));
407
+            foreach ($nopti_images_array as $nopti_image) {
408
+                if (strpos($url, $nopti_image) !== false) {
409 409
                     return false;
410 410
                 }
411 411
             }
@@ -413,13 +413,13 @@  discard block
 block discarded – undo
413 413
         return true;
414 414
     }
415 415
 
416
-    private function build_imgopt_url( $orig_url, $width = 0, $height = 0 )
416
+    private function build_imgopt_url($orig_url, $width = 0, $height = 0)
417 417
     {
418 418
         // sanitize width and height.
419
-        if ( strpos( $width, '%' ) !== false ) {
419
+        if (strpos($width, '%') !== false) {
420 420
             $width = 0;
421 421
         }
422
-        if ( strpos( $height, '%' ) !== false ) {
422
+        if (strpos($height, '%') !== false) {
423 423
             $height = 0;
424 424
         }
425 425
         $width  = (int) $width;
@@ -433,43 +433,43 @@  discard block
 block discarded – undo
433 433
         );
434 434
 
435 435
         // If filter modified the url, return that.
436
-        if ( $filtered_url !== $orig_url ) {
436
+        if ($filtered_url !== $orig_url) {
437 437
             return $filtered_url;
438 438
         }
439 439
 
440
-        $orig_url        = $this->normalize_img_url( $orig_url );
440
+        $orig_url        = $this->normalize_img_url($orig_url);
441 441
         $imgopt_base_url = $this->get_imgopt_base_url();
442 442
         $imgopt_size     = '';
443 443
 
444
-        if ( $width && 0 !== $width ) {
445
-            $imgopt_size = ',w_' . $width;
444
+        if ($width && 0 !== $width) {
445
+            $imgopt_size = ',w_'.$width;
446 446
         }
447 447
 
448
-        if ( $height && 0 !== $height ) {
449
-            $imgopt_size .= ',h_' . $height;
448
+        if ($height && 0 !== $height) {
449
+            $imgopt_size .= ',h_'.$height;
450 450
         }
451 451
 
452
-        $url = $imgopt_base_url . $imgopt_size . '/' . $orig_url;
452
+        $url = $imgopt_base_url.$imgopt_size.'/'.$orig_url;
453 453
 
454 454
         return $url;
455 455
     }
456 456
 
457
-    public function replace_data_thumbs( $matches )
457
+    public function replace_data_thumbs($matches)
458 458
     {
459
-        return $this->replace_img_callback( $matches, 150, 150 );
459
+        return $this->replace_img_callback($matches, 150, 150);
460 460
     }
461 461
 
462
-    public function replace_img_callback( $matches, $width = 0, $height = 0 )
462
+    public function replace_img_callback($matches, $width = 0, $height = 0)
463 463
     {
464
-        $_normalized_img_url = $this->normalize_img_url( $matches[1] );
465
-        if ( $this->can_optimize_image( $matches[1] ) ) {
466
-            return str_replace( $matches[1], $this->build_imgopt_url( $_normalized_img_url, $width, $height ), $matches[0] );
464
+        $_normalized_img_url = $this->normalize_img_url($matches[1]);
465
+        if ($this->can_optimize_image($matches[1])) {
466
+            return str_replace($matches[1], $this->build_imgopt_url($_normalized_img_url, $width, $height), $matches[0]);
467 467
         } else {
468 468
             return $matches[0];
469 469
         }
470 470
     }
471 471
 
472
-    public function filter_optimize_images( $in )
472
+    public function filter_optimize_images($in)
473 473
     {
474 474
         /*
475 475
          * potential future functional improvements:
@@ -479,7 +479,7 @@  discard block
 block discarded – undo
479 479
         $to_replace = array();
480 480
 
481 481
         // hide noscript tags to avoid nesting noscript tags (as lazyloaded images add noscript).
482
-        if ( $this->should_lazyload() ) {
482
+        if ($this->should_lazyload()) {
483 483
             $in = autoptimizeBase::replace_contents_with_marker_if_exists(
484 484
                 'SCRIPT',
485 485
                 '<script',
@@ -489,25 +489,25 @@  discard block
 block discarded – undo
489 489
         }
490 490
 
491 491
         // extract img tags.
492
-        if ( preg_match_all( '#<img[^>]*src[^>]*>#Usmi', $in, $matches ) ) {
493
-            foreach ( $matches[0] as $tag ) {
492
+        if (preg_match_all('#<img[^>]*src[^>]*>#Usmi', $in, $matches)) {
493
+            foreach ($matches[0] as $tag) {
494 494
                 $orig_tag = $tag;
495 495
                 $imgopt_w = '';
496 496
                 $imgopt_h = '';
497 497
 
498 498
                 // first do (data-)srcsets.
499
-                if ( preg_match_all( '#srcset=("|\')(.*)("|\')#Usmi', $tag, $allsrcsets, PREG_SET_ORDER ) ) {
500
-                    foreach ( $allsrcsets as $srcset ) {
499
+                if (preg_match_all('#srcset=("|\')(.*)("|\')#Usmi', $tag, $allsrcsets, PREG_SET_ORDER)) {
500
+                    foreach ($allsrcsets as $srcset) {
501 501
                         $srcset  = $srcset[2];
502
-                        $srcsets = explode( ',', $srcset );
503
-                        foreach ( $srcsets as $indiv_srcset ) {
504
-                            $indiv_srcset_parts = explode( ' ', trim( $indiv_srcset ) );
505
-                            if ( isset( $indiv_srcset_parts[1] ) && rtrim( $indiv_srcset_parts[1], 'w' ) !== $indiv_srcset_parts[1] ) {
506
-                                $imgopt_w = rtrim( $indiv_srcset_parts[1], 'w' );
502
+                        $srcsets = explode(',', $srcset);
503
+                        foreach ($srcsets as $indiv_srcset) {
504
+                            $indiv_srcset_parts = explode(' ', trim($indiv_srcset));
505
+                            if (isset($indiv_srcset_parts[1]) && rtrim($indiv_srcset_parts[1], 'w') !== $indiv_srcset_parts[1]) {
506
+                                $imgopt_w = rtrim($indiv_srcset_parts[1], 'w');
507 507
                             }
508
-                            if ( $this->can_optimize_image( $indiv_srcset_parts[0] ) ) {
509
-                                $imgopt_url = $this->build_imgopt_url( $indiv_srcset_parts[0], $imgopt_w, '' );
510
-                                $tag        = str_replace( $indiv_srcset_parts[0], $imgopt_url, $tag );
508
+                            if ($this->can_optimize_image($indiv_srcset_parts[0])) {
509
+                                $imgopt_url = $this->build_imgopt_url($indiv_srcset_parts[0], $imgopt_w, '');
510
+                                $tag        = str_replace($indiv_srcset_parts[0], $imgopt_url, $tag);
511 511
                             }
512 512
                         }
513 513
                     }
@@ -515,120 +515,120 @@  discard block
 block discarded – undo
515 515
 
516 516
                 // proceed with img src.
517 517
                 // get width and height and add to $imgopt_size.
518
-                $_get_size = $this->get_size_from_tag( $tag );
518
+                $_get_size = $this->get_size_from_tag($tag);
519 519
                 $imgopt_w  = $_get_size['width'];
520 520
                 $imgopt_h  = $_get_size['height'];
521 521
 
522 522
                 // then start replacing images src.
523
-                if ( preg_match_all( '#src=(?:"|\')(?!data)(.*)(?:"|\')#Usmi', $tag, $urls, PREG_SET_ORDER ) ) {
524
-                    foreach ( $urls as $url ) {
523
+                if (preg_match_all('#src=(?:"|\')(?!data)(.*)(?:"|\')#Usmi', $tag, $urls, PREG_SET_ORDER)) {
524
+                    foreach ($urls as $url) {
525 525
                         $full_src_orig = $url[0];
526 526
                         $url           = $url[1];
527
-                        if ( $this->can_optimize_image( $url ) ) {
528
-                            $imgopt_url      = $this->build_imgopt_url( $url, $imgopt_w, $imgopt_h );
529
-                            $full_imgopt_src = str_replace( $url, $imgopt_url, $full_src_orig );
530
-                            $tag             = str_replace( $full_src_orig, $full_imgopt_src, $tag );
527
+                        if ($this->can_optimize_image($url)) {
528
+                            $imgopt_url      = $this->build_imgopt_url($url, $imgopt_w, $imgopt_h);
529
+                            $full_imgopt_src = str_replace($url, $imgopt_url, $full_src_orig);
530
+                            $tag             = str_replace($full_src_orig, $full_imgopt_src, $tag);
531 531
                         }
532 532
                     }
533 533
                 }
534 534
 
535 535
                 // do lazyload stuff.
536
-                if ( $this->should_lazyload( $in ) ) {
536
+                if ($this->should_lazyload($in)) {
537 537
                     // first do lpiq placeholder logic.
538
-                    if ( strpos( $url, $this->get_imgopt_host() ) === 0 ) {
538
+                    if (strpos($url, $this->get_imgopt_host()) === 0) {
539 539
                         // if all img src have been replaced during srcset, we have to extract the
540 540
                         // origin url from the imgopt one to be able to set a lqip placeholder.
541
-                        $_url = substr( $url, strpos( $url, '/http' ) + 1 );
541
+                        $_url = substr($url, strpos($url, '/http') + 1);
542 542
                     } else {
543 543
                         $_url = $url;
544 544
                     }
545 545
 
546
-                    if ( $this->can_optimize_image( $_url ) && apply_filters( 'autoptimize_filter_imgopt_lazyload_dolqip', true ) ) {
546
+                    if ($this->can_optimize_image($_url) && apply_filters('autoptimize_filter_imgopt_lazyload_dolqip', true)) {
547 547
                         $lqip_w = '';
548 548
                         $lqip_h = '';
549
-                        if ( isset( $imgopt_w ) && ! empty( $imgopt_w ) ) {
550
-                            $lqip_w = ',w_' . $imgopt_w;
549
+                        if (isset($imgopt_w) && !empty($imgopt_w)) {
550
+                            $lqip_w = ',w_'.$imgopt_w;
551 551
                         }
552
-                        if ( isset( $imgopt_h ) && ! empty( $imgopt_h ) ) {
553
-                            $lqip_h = ',h_' . $imgopt_h;
552
+                        if (isset($imgopt_h) && !empty($imgopt_h)) {
553
+                            $lqip_h = ',h_'.$imgopt_h;
554 554
                         }
555
-                        $placeholder = $this->get_imgopt_host() . 'client/q_lqip,ret_wait' . $lqip_w . $lqip_h . '/' . $_url;
555
+                        $placeholder = $this->get_imgopt_host().'client/q_lqip,ret_wait'.$lqip_w.$lqip_h.'/'.$_url;
556 556
                     }
557 557
                     // then call add_lazyload-function with lpiq placeholder if set.
558
-                    $tag = $this->add_lazyload( $tag, $placeholder );
558
+                    $tag = $this->add_lazyload($tag, $placeholder);
559 559
                 }
560 560
 
561 561
                 // and add tag to array for later replacement.
562
-                if ( $tag !== $orig_tag ) {
563
-                    $to_replace[ $orig_tag ] = $tag;
562
+                if ($tag !== $orig_tag) {
563
+                    $to_replace[$orig_tag] = $tag;
564 564
                 }
565 565
             }
566 566
         }
567 567
 
568 568
         // and replace all.
569
-        $out = str_replace( array_keys( $to_replace ), array_values( $to_replace ), $in );
569
+        $out = str_replace(array_keys($to_replace), array_values($to_replace), $in);
570 570
 
571 571
         // img thumbnails in e.g. woocommerce.
572
-        if ( strpos( $out, 'data-thumb' ) !== false && apply_filters( 'autoptimize_filter_imgopt_datathumbs', true ) ) {
572
+        if (strpos($out, 'data-thumb') !== false && apply_filters('autoptimize_filter_imgopt_datathumbs', true)) {
573 573
             $out = preg_replace_callback(
574 574
                 '/\<div(?:[^>]?)\sdata-thumb\=(?:\"|\')(.+?)(?:\"|\')(?:[^>]*)?\>/s',
575
-                array( $this, 'replace_data_thumbs' ),
575
+                array($this, 'replace_data_thumbs'),
576 576
                 $out
577 577
             );
578 578
         }
579 579
 
580 580
         // background-image in inline style.
581
-        if ( strpos( $out, 'background-image:' ) !== false && apply_filters( 'autoptimize_filter_imgopt_backgroundimages', true ) ) {
581
+        if (strpos($out, 'background-image:') !== false && apply_filters('autoptimize_filter_imgopt_backgroundimages', true)) {
582 582
             $out = preg_replace_callback(
583 583
                 '/style=(?:"|\').*?background-image:\s?url\((?:"|\')?([^"\')]*)(?:"|\')?\)/',
584
-                array( $this, 'replace_img_callback' ),
584
+                array($this, 'replace_img_callback'),
585 585
                 $out
586 586
             );
587 587
         }
588 588
 
589 589
         // lazyload: restore noscript tags + lazyload picture source tags.
590
-        if ( $this->should_lazyload() ) {
590
+        if ($this->should_lazyload()) {
591 591
             $out = autoptimizeBase::restore_marked_content(
592 592
                 'SCRIPT',
593 593
                 $out
594 594
             );
595 595
 
596
-            $out = $this->process_picture_tag( $out, true, true );
596
+            $out = $this->process_picture_tag($out, true, true);
597 597
         } else {
598
-            $out = $this->process_picture_tag( $out, true, false );
598
+            $out = $this->process_picture_tag($out, true, false);
599 599
         }
600 600
 
601 601
         return $out;
602 602
     }
603 603
 
604
-    public function get_size_from_tag( $tag ) {
604
+    public function get_size_from_tag($tag) {
605 605
         // reusable function to extract widht and height from an image tag
606 606
         // enforcing a filterable maximum width and height (default 4999X4999).
607 607
         $width  = '';
608 608
         $height = '';
609 609
 
610
-        if ( preg_match( '#width=("|\')(.*)("|\')#Usmi', $tag, $_width ) ) {
611
-            if ( strpos( $_width[2], '%' ) === false ) {
610
+        if (preg_match('#width=("|\')(.*)("|\')#Usmi', $tag, $_width)) {
611
+            if (strpos($_width[2], '%') === false) {
612 612
                 $width = (int) $_width[2];
613 613
             }
614 614
         }
615
-        if ( preg_match( '#height=("|\')(.*)("|\')#Usmi', $tag, $_height ) ) {
616
-            if ( strpos( $_height[2], '%' ) === false ) {
615
+        if (preg_match('#height=("|\')(.*)("|\')#Usmi', $tag, $_height)) {
616
+            if (strpos($_height[2], '%') === false) {
617 617
                 $height = (int) $_height[2];
618 618
             }
619 619
         }
620 620
 
621 621
         // check for and enforce (filterable) max sizes.
622
-        $_max_width = apply_filters( 'autoptimize_filter_imgopt_max_width', 4999 );
623
-        if ( $width > $_max_width ) {
622
+        $_max_width = apply_filters('autoptimize_filter_imgopt_max_width', 4999);
623
+        if ($width > $_max_width) {
624 624
             $_width = $_max_width;
625
-            $height = $_width / $width * $height;
625
+            $height = $_width/$width*$height;
626 626
             $width  = $_width;
627 627
         }
628
-        $_max_height = apply_filters( 'autoptimize_filter_imgopt_max_height', 4999 );
629
-        if ( $height > $_max_height ) {
628
+        $_max_height = apply_filters('autoptimize_filter_imgopt_max_height', 4999);
629
+        if ($height > $_max_height) {
630 630
             $_height = $_max_height;
631
-            $width   = $_height / $height * $width;
631
+            $width   = $_height/$height*$width;
632 632
             $height  = $_height;
633 633
         }
634 634
 
@@ -647,18 +647,18 @@  discard block
 block discarded – undo
647 647
         return $self->should_lazyload();
648 648
     }
649 649
 
650
-    public function should_lazyload( $context = '' ) {
651
-        if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_3'] ) ) {
650
+    public function should_lazyload($context = '') {
651
+        if (!empty($this->options['autoptimize_imgopt_checkbox_field_3'])) {
652 652
             $lazyload_return = true;
653 653
         } else {
654 654
             $lazyload_return = false;
655 655
         }
656
-        $lazyload_return = apply_filters( 'autoptimize_filter_imgopt_should_lazyload', $lazyload_return, $context );
656
+        $lazyload_return = apply_filters('autoptimize_filter_imgopt_should_lazyload', $lazyload_return, $context);
657 657
 
658 658
         return $lazyload_return;
659 659
     }
660 660
 
661
-    public function filter_lazyload_images( $in )
661
+    public function filter_lazyload_images($in)
662 662
     {
663 663
         // only used is image optimization is NOT active but lazyload is.
664 664
         $to_replace = array();
@@ -672,17 +672,17 @@  discard block
 block discarded – undo
672 672
         );
673 673
 
674 674
         // extract img tags and add lazyload attribs.
675
-        if ( preg_match_all( '#<img[^>]*src[^>]*>#Usmi', $out, $matches ) ) {
676
-            foreach ( $matches[0] as $tag ) {
677
-                if ( $this->should_lazyload( $out ) ) {
678
-                    $to_replace[ $tag ] = $this->add_lazyload( $tag );
675
+        if (preg_match_all('#<img[^>]*src[^>]*>#Usmi', $out, $matches)) {
676
+            foreach ($matches[0] as $tag) {
677
+                if ($this->should_lazyload($out)) {
678
+                    $to_replace[$tag] = $this->add_lazyload($tag);
679 679
                 }
680 680
             }
681
-            $out = str_replace( array_keys( $to_replace ), array_values( $to_replace ), $out );
681
+            $out = str_replace(array_keys($to_replace), array_values($to_replace), $out);
682 682
         }
683 683
 
684 684
         // and also lazyload picture tag.
685
-        $out = $this->process_picture_tag( $out, false, true );
685
+        $out = $this->process_picture_tag($out, false, true);
686 686
 
687 687
         // restore noscript tags.
688 688
         $out = autoptimizeBase::restore_marked_content(
@@ -693,46 +693,46 @@  discard block
 block discarded – undo
693 693
         return $out;
694 694
     }
695 695
 
696
-    public function add_lazyload( $tag, $placeholder = '' ) {
696
+    public function add_lazyload($tag, $placeholder = '') {
697 697
         // adds actual lazyload-attributes to an image node.
698
-        if ( str_ireplace( $this->get_lazyload_exclusions(), '', $tag ) === $tag ) {
699
-            $tag = $this->maybe_fix_missing_quotes( $tag );
698
+        if (str_ireplace($this->get_lazyload_exclusions(), '', $tag) === $tag) {
699
+            $tag = $this->maybe_fix_missing_quotes($tag);
700 700
 
701 701
             // store original tag for use in noscript version.
702
-            $noscript_tag = '<noscript>' . $tag . '</noscript>';
702
+            $noscript_tag = '<noscript>'.$tag.'</noscript>';
703 703
 
704
-            $lazyload_class = apply_filters( 'autoptimize_filter_imgopt_lazyload_class', 'lazyload' );
704
+            $lazyload_class = apply_filters('autoptimize_filter_imgopt_lazyload_class', 'lazyload');
705 705
 
706 706
             // insert lazyload class.
707
-            $tag = $this->inject_classes_in_tag( $tag, "$lazyload_class " );
707
+            $tag = $this->inject_classes_in_tag($tag, "$lazyload_class ");
708 708
 
709
-            if ( ! $placeholder || empty( $placeholder ) ) {
709
+            if (!$placeholder || empty($placeholder)) {
710 710
                 // get image width & heigth for placeholder fun (and to prevent content reflow).
711
-                $_get_size = $this->get_size_from_tag( $tag );
711
+                $_get_size = $this->get_size_from_tag($tag);
712 712
                 $width     = $_get_size['width'];
713 713
                 $height    = $_get_size['height'];
714
-                if ( false === $width ) {
714
+                if (false === $width) {
715 715
                     $widht = 210; // default width for SVG placeholder.
716 716
                 }
717
-                if ( false === $height ) {
718
-                    $heigth = $width / 3 * 2; // if no height, base it on width using the 3/2 aspect ratio.
717
+                if (false === $height) {
718
+                    $heigth = $width/3*2; // if no height, base it on width using the 3/2 aspect ratio.
719 719
                 }
720 720
 
721 721
                 // insert the actual lazyload stuff.
722 722
                 // see https://css-tricks.com/preventing-content-reflow-from-lazy-loaded-images/ for great read on why we're using empty svg's.
723
-                $placeholder = apply_filters( 'autoptimize_filter_imgopt_lazyload_placeholder', $this->get_default_lazyload_placeholder( $width, $height ) );
723
+                $placeholder = apply_filters('autoptimize_filter_imgopt_lazyload_placeholder', $this->get_default_lazyload_placeholder($width, $height));
724 724
             }
725
-            $tag = str_replace( ' src=', ' src=\'' . $placeholder . '\' data-src=', $tag );
726
-            $tag = str_replace( ' srcset=', ' data-srcset=', $tag );
725
+            $tag = str_replace(' src=', ' src=\''.$placeholder.'\' data-src=', $tag);
726
+            $tag = str_replace(' srcset=', ' data-srcset=', $tag);
727 727
 
728 728
             // move sizes to data-sizes unless filter says no.
729
-            if ( apply_filters( 'autoptimize_filter_imgopt_lazyload_move_sizes', true ) ) {
730
-                $tag = str_replace( 'sizes=', 'data-sizes=', $tag );
729
+            if (apply_filters('autoptimize_filter_imgopt_lazyload_move_sizes', true)) {
730
+                $tag = str_replace('sizes=', 'data-sizes=', $tag);
731 731
             }
732 732
 
733 733
             // add the noscript-tag from earlier.
734
-            $tag = $noscript_tag . $tag;
735
-            $tag = apply_filters( 'autoptimize_filter_imgopt_lazyloaded_img', $tag );
734
+            $tag = $noscript_tag.$tag;
735
+            $tag = apply_filters('autoptimize_filter_imgopt_lazyloaded_img', $tag);
736 736
         }
737 737
 
738 738
         return $tag;
@@ -741,20 +741,20 @@  discard block
 block discarded – undo
741 741
     public function add_lazyload_js_footer() {
742 742
         // The JS will by default be excluded form autoptimization but this can be changed with a filter.
743 743
         $noptimize_flag = '';
744
-        if ( apply_filters( 'autoptimize_filter_imgopt_lazyload_js_noptimize', true ) ) {
744
+        if (apply_filters('autoptimize_filter_imgopt_lazyload_js_noptimize', true)) {
745 745
             $noptimize_flag = ' data-noptimize="1"';
746 746
         }
747 747
 
748 748
         // Adds lazyload CSS & JS to footer, using echo because wp_enqueue_script seems not to support pushing attributes (async).
749
-        echo apply_filters( 'autoptimize_filter_imgopt_lazyload_cssoutput', '<style>.lazyload,.lazyloading{opacity:0;}.lazyloaded{opacity:1;transition:opacity 300ms;}</style><noscript><style>.lazyload{display:none;}</style></noscript>' );
750
-        echo apply_filters( 'autoptimize_filter_imgopt_lazyload_jsconfig', '<script' . $noptimize_flag . '>window.lazySizesConfig=window.lazySizesConfig||{};window.lazySizesConfig.loadMode=1;</script>' );
751
-        echo apply_filters( 'autoptimize_filter_imgopt_lazyload_js', '<script async' . $noptimize_flag . ' src=\'' . plugins_url( 'external/js/lazysizes.min.js', __FILE__ ) . '\'></script>' );
749
+        echo apply_filters('autoptimize_filter_imgopt_lazyload_cssoutput', '<style>.lazyload,.lazyloading{opacity:0;}.lazyloaded{opacity:1;transition:opacity 300ms;}</style><noscript><style>.lazyload{display:none;}</style></noscript>');
750
+        echo apply_filters('autoptimize_filter_imgopt_lazyload_jsconfig', '<script'.$noptimize_flag.'>window.lazySizesConfig=window.lazySizesConfig||{};window.lazySizesConfig.loadMode=1;</script>');
751
+        echo apply_filters('autoptimize_filter_imgopt_lazyload_js', '<script async'.$noptimize_flag.' src=\''.plugins_url('external/js/lazysizes.min.js', __FILE__).'\'></script>');
752 752
 
753 753
         // And add webp detection and loading JS.
754
-        if ( $this->should_webp() ) {
754
+        if ($this->should_webp()) {
755 755
             $_webp_detect = "function c_webp(A){var n=new Image;n.onload=function(){var e=0<n.width&&0<n.height;A(e)},n.onerror=function(){A(!1)},n.src='data:image/webp;base64,UklGRhoAAABXRUJQVlA4TA0AAAAvAAAAEAcQERGIiP4HAA=='}function s_webp(e){window.supportsWebP=e}c_webp(s_webp);";
756 756
             $_webp_load   = "document.addEventListener('lazybeforeunveil',function({target:c}){supportsWebP&&['data-src','data-srcset'].forEach(function(a){attr=c.getAttribute(a),null!==attr&&c.setAttribute(a,attr.replace(/\/client\//,'/client/to_webp,'))})});";
757
-            echo apply_filters( 'autoptimize_filter_imgopt_webp_js', '<script' . $noptimize_flag . '>' . $_webp_detect . $_webp_load . '</script>' );
757
+            echo apply_filters('autoptimize_filter_imgopt_webp_js', '<script'.$noptimize_flag.'>'.$_webp_detect.$_webp_load.'</script>');
758 758
         }
759 759
     }
760 760
 
@@ -762,47 +762,47 @@  discard block
 block discarded – undo
762 762
         // returns array of strings that if found in an <img tag will stop the img from being lazy-loaded.
763 763
         static $exclude_lazyload_array = null;
764 764
 
765
-        if ( null === $exclude_lazyload_array ) {
765
+        if (null === $exclude_lazyload_array) {
766 766
             $options = $this->options;
767 767
 
768 768
             // set default exclusions.
769
-            $exclude_lazyload_array = array( 'skip-lazy', 'data-no-lazy', 'notlazy', 'data-src', 'data-srcset', 'data:image/', 'data-lazyload', 'rev-slidebg' );
769
+            $exclude_lazyload_array = array('skip-lazy', 'data-no-lazy', 'notlazy', 'data-src', 'data-srcset', 'data:image/', 'data-lazyload', 'rev-slidebg');
770 770
 
771 771
             // add from setting.
772
-            if ( array_key_exists( 'autoptimize_imgopt_text_field_5', $options ) ) {
772
+            if (array_key_exists('autoptimize_imgopt_text_field_5', $options)) {
773 773
                 $exclude_lazyload_option = $options['autoptimize_imgopt_text_field_5'];
774
-                if ( ! empty( $exclude_lazyload_option ) ) {
775
-                    $exclude_lazyload_array = array_merge( $exclude_lazyload_array, array_filter( array_map( 'trim', explode( ',', $options['autoptimize_imgopt_text_field_5'] ) ) ) );
774
+                if (!empty($exclude_lazyload_option)) {
775
+                    $exclude_lazyload_array = array_merge($exclude_lazyload_array, array_filter(array_map('trim', explode(',', $options['autoptimize_imgopt_text_field_5']))));
776 776
                 }
777 777
             }
778 778
 
779 779
             // and filter for developer-initiated changes.
780
-            $exclude_lazyload_array = apply_filters( 'autoptimize_filter_imgopt_lazyload_exclude_array', $exclude_lazyload_array );
780
+            $exclude_lazyload_array = apply_filters('autoptimize_filter_imgopt_lazyload_exclude_array', $exclude_lazyload_array);
781 781
         }
782 782
 
783 783
         return $exclude_lazyload_array;
784 784
     }
785 785
 
786
-    public function inject_classes_in_tag( $tag, $target_class ) {
787
-        if ( strpos( $tag, 'class=' ) !== false ) {
788
-            $tag = preg_replace( '/(\sclass\s?=\s?("|\'))/', '$1' . $target_class, $tag );
786
+    public function inject_classes_in_tag($tag, $target_class) {
787
+        if (strpos($tag, 'class=') !== false) {
788
+            $tag = preg_replace('/(\sclass\s?=\s?("|\'))/', '$1'.$target_class, $tag);
789 789
         } else {
790
-            $tag = str_replace( '<img ', '<img class="' . trim( $target_class ) . '" ', $tag );
790
+            $tag = str_replace('<img ', '<img class="'.trim($target_class).'" ', $tag);
791 791
         }
792 792
 
793 793
         return $tag;
794 794
     }
795 795
 
796
-    public function get_default_lazyload_placeholder( $imgopt_w, $imgopt_h ) {
797
-        return 'data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20' . $imgopt_w . '%20' . $imgopt_h . '%22%3E%3C/svg%3E';
796
+    public function get_default_lazyload_placeholder($imgopt_w, $imgopt_h) {
797
+        return 'data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20'.$imgopt_w.'%20'.$imgopt_h.'%22%3E%3C/svg%3E';
798 798
     }
799 799
 
800 800
     public function should_webp() {
801 801
         static $webp_return = null;
802 802
 
803
-        if ( is_null( $webp_return ) ) {
803
+        if (is_null($webp_return)) {
804 804
             // webp only works if imgopt and lazyload are also active.
805
-            if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_4'] ) && ! empty( $this->options['autoptimize_imgopt_checkbox_field_3'] ) && $this->imgopt_active() ) {
805
+            if (!empty($this->options['autoptimize_imgopt_checkbox_field_4']) && !empty($this->options['autoptimize_imgopt_checkbox_field_3']) && $this->imgopt_active()) {
806 806
                 $webp_return = true;
807 807
             } else {
808 808
                 $webp_return = false;
@@ -812,9 +812,9 @@  discard block
 block discarded – undo
812 812
         return $webp_return;
813 813
     }
814 814
 
815
-    public function process_picture_tag( $in, $imgopt = false, $lazy = false ) {
815
+    public function process_picture_tag($in, $imgopt = false, $lazy = false) {
816 816
         // check if "<picture" is present and if filter allows us to process <picture>.
817
-        if ( strpos( $in, '<picture' ) === false || apply_filters( 'autoptimize_filter_imgopt_dopicture', true ) === false ) {
817
+        if (strpos($in, '<picture') === false || apply_filters('autoptimize_filter_imgopt_dopicture', true) === false) {
818 818
             return $in;
819 819
         }
820 820
 
@@ -822,36 +822,36 @@  discard block
 block discarded – undo
822 822
         $to_replace_pict = array();
823 823
 
824 824
         // extract and process each picture-node.
825
-        preg_match_all( '#<picture.*</picture>#Usmi', $in, $_pictures, PREG_SET_ORDER );
826
-        foreach ( $_pictures as $_picture ) {
827
-            $_picture = $this->maybe_fix_missing_quotes( $_picture );
828
-            if ( strpos( $_picture[0], '<source ' ) !== false && preg_match_all( '#<source .*srcset=(?:"|\')(?!data)(.*)(?:"|\').*>#Usmi', $_picture[0], $_sources, PREG_SET_ORDER ) !== false ) {
829
-                foreach ( $_sources as $_source ) {
825
+        preg_match_all('#<picture.*</picture>#Usmi', $in, $_pictures, PREG_SET_ORDER);
826
+        foreach ($_pictures as $_picture) {
827
+            $_picture = $this->maybe_fix_missing_quotes($_picture);
828
+            if (strpos($_picture[0], '<source ') !== false && preg_match_all('#<source .*srcset=(?:"|\')(?!data)(.*)(?:"|\').*>#Usmi', $_picture[0], $_sources, PREG_SET_ORDER) !== false) {
829
+                foreach ($_sources as $_source) {
830 830
                     $_picture_replacement = $_source[0];
831 831
 
832 832
                     // should we optimize the image?
833
-                    if ( $imgopt && $this->can_optimize_image( $_source[1] ) ) {
834
-                        $_picture_replacement = str_replace( $_source[1], $this->build_imgopt_url( $_source[1] ), $_picture_replacement );
833
+                    if ($imgopt && $this->can_optimize_image($_source[1])) {
834
+                        $_picture_replacement = str_replace($_source[1], $this->build_imgopt_url($_source[1]), $_picture_replacement);
835 835
                     }
836 836
                     // should we lazy-load?
837
-                    if ( $lazy && str_ireplace( $_exclusions, '', $_picture_replacement ) === $_picture_replacement ) {
838
-                        $_picture_replacement = str_replace( ' srcset=', ' data-srcset=', $_picture_replacement );
837
+                    if ($lazy && str_ireplace($_exclusions, '', $_picture_replacement) === $_picture_replacement) {
838
+                        $_picture_replacement = str_replace(' srcset=', ' data-srcset=', $_picture_replacement);
839 839
                     }
840
-                    $to_replace_pict[ $_source[0] ] = $_picture_replacement;
840
+                    $to_replace_pict[$_source[0]] = $_picture_replacement;
841 841
                 }
842 842
             }
843 843
         }
844 844
 
845 845
         // and return the fully procesed $in.
846
-        $out = str_replace( array_keys( $to_replace_pict ), array_values( $to_replace_pict ), $in );
846
+        $out = str_replace(array_keys($to_replace_pict), array_values($to_replace_pict), $in);
847 847
 
848 848
         return $out;
849 849
     }
850 850
 
851
-    public function maybe_fix_missing_quotes( $tag_in ) {
851
+    public function maybe_fix_missing_quotes($tag_in) {
852 852
         // W3TC's Minify_HTML class removes quotes around attribute value, this re-adds them.
853
-        if ( file_exists( WP_PLUGIN_DIR . '/w3-total-cache/w3-total-cache.php' ) && class_exists( 'Minify_HTML' ) && apply_filters( 'autoptimize_filter_imgopt_fixquotes', true ) ) {
854
-            return preg_replace( '/=([^("|\')]*)(\s|>)/U', '=\'$1\'$2', $tag_in );
853
+        if (file_exists(WP_PLUGIN_DIR.'/w3-total-cache/w3-total-cache.php') && class_exists('Minify_HTML') && apply_filters('autoptimize_filter_imgopt_fixquotes', true)) {
854
+            return preg_replace('/=([^("|\')]*)(\s|>)/U', '=\'$1\'$2', $tag_in);
855 855
         } else {
856 856
             return $tag_in;
857 857
         }
@@ -868,14 +868,14 @@  discard block
 block discarded – undo
868 868
             'autoptimize_imgopt',
869 869
             'manage_options',
870 870
             'autoptimize_imgopt',
871
-            array( $this, 'imgopt_options_page' )
871
+            array($this, 'imgopt_options_page')
872 872
         );
873
-        register_setting( 'autoptimize_imgopt_settings', 'autoptimize_imgopt_settings' );
873
+        register_setting('autoptimize_imgopt_settings', 'autoptimize_imgopt_settings');
874 874
     }
875 875
 
876
-    public function add_imgopt_tab( $in )
876
+    public function add_imgopt_tab($in)
877 877
     {
878
-        $in = array_merge( $in, array( 'autoptimize_imgopt' => __( 'Images', 'autoptimize' ) ) );
878
+        $in = array_merge($in, array('autoptimize_imgopt' => __('Images', 'autoptimize')));
879 879
 
880 880
         return $in;
881 881
     }
@@ -883,7 +883,7 @@  discard block
 block discarded – undo
883 883
     public function imgopt_options_page()
884 884
     {
885 885
         // Check querystring for "refreshCacheChecker" and call cachechecker if so.
886
-        if ( array_key_exists( 'refreshImgProvStats', $_GET ) && 1 == $_GET['refreshImgProvStats'] ) {
886
+        if (array_key_exists('refreshImgProvStats', $_GET) && 1 == $_GET['refreshImgProvStats']) {
887 887
             $this->query_img_provider_stats();
888 888
         }
889 889
 
@@ -896,45 +896,45 @@  discard block
 block discarded – undo
896 896
         #autoptimize_imgopt_descr{font-size: 120%;}
897 897
     </style>
898 898
     <div class="wrap">
899
-    <h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
899
+    <h1><?php _e('Autoptimize Settings', 'autoptimize'); ?></h1>
900 900
         <?php echo autoptimizeConfig::ao_admin_tabs(); ?>
901
-        <?php if ( 'down' === $options['availabilities']['extra_imgopt']['status'] ) { ?>
901
+        <?php if ('down' === $options['availabilities']['extra_imgopt']['status']) { ?>
902 902
             <div class="notice-warning notice"><p>
903 903
             <?php
904 904
             // translators: "Autoptimize support forum" will appear in a "a href".
905
-            echo sprintf( __( 'The image optimization service is currently down, image optimization will be skipped until further notice. Check the %1$sAutoptimize support forum%2$s for more info.', 'autoptimize' ), '<a href="https://wordpress.org/support/plugin/autoptimize/" target="_blank">', '</a>' );
905
+            echo sprintf(__('The image optimization service is currently down, image optimization will be skipped until further notice. Check the %1$sAutoptimize support forum%2$s for more info.', 'autoptimize'), '<a href="https://wordpress.org/support/plugin/autoptimize/" target="_blank">', '</a>');
906 906
             ?>
907 907
             </p></div>
908 908
         <?php } ?>
909 909
 
910
-        <?php if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] && ! autoptimizeImages::instance()->launch_ok() ) { ?>
910
+        <?php if ('launch' === $options['availabilities']['extra_imgopt']['status'] && !autoptimizeImages::instance()->launch_ok()) { ?>
911 911
             <div class="notice-warning notice"><p>
912
-            <?php _e( 'The image optimization service is launching, but not yet available for this domain, it should become available in the next couple of days.', 'autoptimize' ); ?>
912
+            <?php _e('The image optimization service is launching, but not yet available for this domain, it should become available in the next couple of days.', 'autoptimize'); ?>
913 913
             </p></div>
914 914
         <?php } ?>
915 915
 
916
-        <?php if ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'get_active_modules' ) && in_array( 'photon', Jetpack::get_active_modules() ) ) { ?>
916
+        <?php if (class_exists('Jetpack') && method_exists('Jetpack', 'get_active_modules') && in_array('photon', Jetpack::get_active_modules())) { ?>
917 917
             <div class="notice-warning notice"><p>
918 918
             <?php
919 919
             // translators: "disable  Jetpack's site accelerator for images" will appear in a "a href" linking to the jetpack settings page.
920
-            echo sprintf( __( 'Please %1$sdisable Jetpack\'s site accelerator for images%2$s to be able to use Autoptomize\'s advanced image optimization features below.', 'autoptimize' ), '<a href="admin.php?page=jetpack#/settings">', '</a>' );
920
+            echo sprintf(__('Please %1$sdisable Jetpack\'s site accelerator for images%2$s to be able to use Autoptomize\'s advanced image optimization features below.', 'autoptimize'), '<a href="admin.php?page=jetpack#/settings">', '</a>');
921 921
             ?>
922 922
             </p></div>
923 923
         <?php } ?>
924 924
     <form id='ao_settings_form' action='options.php' method='post'>
925
-        <?php settings_fields( 'autoptimize_imgopt_settings' ); ?>
926
-        <h2><?php _e( 'Image optimization', 'autoptimize' ); ?></h2>
927
-        <span id='autoptimize_imgopt_descr'><?php _e( 'Make your site significantly faster by just ticking a couple of checkboxes to optimize and lazy load your images, WebP support included!', 'autoptimize' ); ?></span>
925
+        <?php settings_fields('autoptimize_imgopt_settings'); ?>
926
+        <h2><?php _e('Image optimization', 'autoptimize'); ?></h2>
927
+        <span id='autoptimize_imgopt_descr'><?php _e('Make your site significantly faster by just ticking a couple of checkboxes to optimize and lazy load your images, WebP support included!', 'autoptimize'); ?></span>
928 928
         <table class="form-table">
929 929
             <tr>
930
-                <th scope="row"><?php _e( 'Optimize Images', 'autoptimize' ); ?></th>
930
+                <th scope="row"><?php _e('Optimize Images', 'autoptimize'); ?></th>
931 931
                 <td>
932
-                    <label><input id='autoptimize_imgopt_checkbox' type='checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Optimize images on the fly and serve them from Shortpixel\'s global CDN.', 'autoptimize' ); ?></label>
932
+                    <label><input id='autoptimize_imgopt_checkbox' type='checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_1]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_1']) && '1' === $options['autoptimize_imgopt_checkbox_field_1']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Optimize images on the fly and serve them from Shortpixel\'s global CDN.', 'autoptimize'); ?></label>
933 933
                     <?php
934 934
                     // show shortpixel status.
935 935
                     $_notice = autoptimizeImages::instance()->get_status_notice();
936
-                    if ( $_notice ) {
937
-                        switch ( $_notice['status'] ) {
936
+                    if ($_notice) {
937
+                        switch ($_notice['status']) {
938 938
                             case 2:
939 939
                                 $_notice_color = 'green';
940 940
                                 break;
@@ -950,28 +950,28 @@  discard block
 block discarded – undo
950 950
                             default:
951 951
                                 $_notice_color = 'green';
952 952
                         }
953
-                        echo apply_filters( 'autoptimize_filter_imgopt_settings_status', '<p><strong><span style="color:' . $_notice_color . ';">' . __( 'Shortpixel status: ', 'autoptimize' ) . '</span></strong>' . $_notice['notice'] . '</p>' );
953
+                        echo apply_filters('autoptimize_filter_imgopt_settings_status', '<p><strong><span style="color:'.$_notice_color.';">'.__('Shortpixel status: ', 'autoptimize').'</span></strong>'.$_notice['notice'].'</p>');
954 954
                     } else {
955 955
                         // translators: link points to shortpixel.
956
-                        $upsell_msg_1 = '<p>' . sprintf( __( 'Get more Google love and improve your website\'s loading speed by having the images optimized on the fly (also in the "next-gen" WebP image format) by %1$sShortPixel%2$s and then cached and served fast from Shortpixel\'s global CDN.', 'autoptimize' ), '<a href="https://shortpixel.com/aospai' . $sp_url_suffix . '" target="_blank">', '</a>' );
957
-                        if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] ) {
958
-                            $upsell_msg_2 = __( 'For a limited time only, this service is offered free for all Autoptimize users, <b>don\'t miss the chance to test it</b> and see how much it could improve your site\'s speed.', 'autoptimize' );
956
+                        $upsell_msg_1 = '<p>'.sprintf(__('Get more Google love and improve your website\'s loading speed by having the images optimized on the fly (also in the "next-gen" WebP image format) by %1$sShortPixel%2$s and then cached and served fast from Shortpixel\'s global CDN.', 'autoptimize'), '<a href="https://shortpixel.com/aospai'.$sp_url_suffix.'" target="_blank">', '</a>');
957
+                        if ('launch' === $options['availabilities']['extra_imgopt']['status']) {
958
+                            $upsell_msg_2 = __('For a limited time only, this service is offered free for all Autoptimize users, <b>don\'t miss the chance to test it</b> and see how much it could improve your site\'s speed.', 'autoptimize');
959 959
                         } else {
960 960
                             // translators: link points to shortpixel.
961
-                            $upsell_msg_2 = sprintf( __( '%1$sSign-up now%2$s to receive a 1 000 bonus + 50&#37; more image optimization credits regardless of the traffic used. More image optimizations can be purchased starting with $4.99.', 'autoptimize' ), '<a href="https://shortpixel.com/aospai' . $sp_url_suffix . '" target="_blank">', '</a>' );
961
+                            $upsell_msg_2 = sprintf(__('%1$sSign-up now%2$s to receive a 1 000 bonus + 50&#37; more image optimization credits regardless of the traffic used. More image optimizations can be purchased starting with $4.99.', 'autoptimize'), '<a href="https://shortpixel.com/aospai'.$sp_url_suffix.'" target="_blank">', '</a>');
962 962
                         }
963
-                        echo apply_filters( 'autoptimize_imgopt_imgopt_settings_copy', $upsell_msg_1 . ' ' . $upsell_msg_2 . '</p>' );
963
+                        echo apply_filters('autoptimize_imgopt_imgopt_settings_copy', $upsell_msg_1.' '.$upsell_msg_2.'</p>');
964 964
                     }
965 965
                     // translators: link points to shortpixel FAQ.
966
-                    $faqcopy = sprintf( __( '<strong>Questions</strong>? Have a look at the %1$sShortPixel FAQ%2$s!', 'autoptimize' ), '<strong><a href="https://shortpixel.helpscoutdocs.com/category/60-shortpixel-ai-cdn" target="_blank">', '</strong></a>' );
966
+                    $faqcopy = sprintf(__('<strong>Questions</strong>? Have a look at the %1$sShortPixel FAQ%2$s!', 'autoptimize'), '<strong><a href="https://shortpixel.helpscoutdocs.com/category/60-shortpixel-ai-cdn" target="_blank">', '</strong></a>');
967 967
                     // translators: links points to shortpixel TOS & Privacy Policy.
968
-                    $toscopy = sprintf( __( 'Usage of this feature is subject to Shortpixel\'s %1$sTerms of Use%2$s and %3$sPrivacy policy%4$s.', 'autoptimize' ), '<a href="https://shortpixel.com/tos' . $sp_url_suffix . '" target="_blank">', '</a>', '<a href="https://shortpixel.com/pp' . $sp_url_suffix . '" target="_blank">', '</a>' );
969
-                    echo apply_filters( 'autoptimize_imgopt_imgopt_settings_tos', '<p>' . $faqcopy . ' ' . $toscopy . '</p>' );
968
+                    $toscopy = sprintf(__('Usage of this feature is subject to Shortpixel\'s %1$sTerms of Use%2$s and %3$sPrivacy policy%4$s.', 'autoptimize'), '<a href="https://shortpixel.com/tos'.$sp_url_suffix.'" target="_blank">', '</a>', '<a href="https://shortpixel.com/pp'.$sp_url_suffix.'" target="_blank">', '</a>');
969
+                    echo apply_filters('autoptimize_imgopt_imgopt_settings_tos', '<p>'.$faqcopy.' '.$toscopy.'</p>');
970 970
                     ?>
971 971
                 </td>
972 972
             </tr>
973
-            <tr id='autoptimize_imgopt_quality' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'] ) ) { echo 'class="hidden"'; } ?>>
974
-                <th scope="row"><?php _e( 'Image Optimization quality', 'autoptimize' ); ?></th>
973
+            <tr id='autoptimize_imgopt_quality' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_1', $options) || (isset($options['autoptimize_imgopt_checkbox_field_1']) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'])) { echo 'class="hidden"'; } ?>>
974
+                <th scope="row"><?php _e('Image Optimization quality', 'autoptimize'); ?></th>
975 975
                 <td>
976 976
                     <label>
977 977
                     <select name='autoptimize_imgopt_settings[autoptimize_imgopt_select_field_2]'>
@@ -979,12 +979,12 @@  discard block
 block discarded – undo
979 979
                         $_imgopt_array = autoptimizeImages::instance()->get_img_quality_array();
980 980
                         $_imgopt_val   = autoptimizeImages::instance()->get_img_quality_setting();
981 981
 
982
-                        foreach ( $_imgopt_array as $key => $value ) {
983
-                            echo '<option value="' . $key . '"';
984
-                            if ( $_imgopt_val == $key ) {
982
+                        foreach ($_imgopt_array as $key => $value) {
983
+                            echo '<option value="'.$key.'"';
984
+                            if ($_imgopt_val == $key) {
985 985
                                 echo ' selected';
986 986
                             }
987
-                            echo '>' . ucfirst( $value ) . '</option>';
987
+                            echo '>'.ucfirst($value).'</option>';
988 988
                         }
989 989
                         echo "\n";
990 990
                         ?>
@@ -993,31 +993,31 @@  discard block
 block discarded – undo
993 993
                     <p>
994 994
                         <?php
995 995
                             // translators: link points to shortpixel image test page.
996
-                            echo apply_filters( 'autoptimize_imgopt_imgopt_quality_copy', sprintf( __( 'You can %1$stest compression levels here%2$s.', 'autoptimize' ), '<a href="https://shortpixel.com/oic' . $sp_url_suffix . '" target="_blank">', '</a>' ) );
996
+                            echo apply_filters('autoptimize_imgopt_imgopt_quality_copy', sprintf(__('You can %1$stest compression levels here%2$s.', 'autoptimize'), '<a href="https://shortpixel.com/oic'.$sp_url_suffix.'" target="_blank">', '</a>'));
997 997
                         ?>
998 998
                     </p>
999 999
                 </td>
1000 1000
             </tr>
1001
-            <tr id='autoptimize_imgopt_webp' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'] ) ) { echo 'class="hidden"'; } ?>>
1002
-                <th scope="row"><?php _e( 'Load WebP in supported browsers?', 'autoptimize' ); ?></th>
1001
+            <tr id='autoptimize_imgopt_webp' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_1', $options) || (isset($options['autoptimize_imgopt_checkbox_field_1']) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'])) { echo 'class="hidden"'; } ?>>
1002
+                <th scope="row"><?php _e('Load WebP in supported browsers?', 'autoptimize'); ?></th>
1003 1003
                 <td>
1004
-                    <label><input type='checkbox' id='autoptimize_imgopt_webp_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_4]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_4'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_3'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Automatically serve "next-gen" WebP image format to any browser that supports it (requires lazy load to be active).', 'autoptimize' ); ?></label>
1004
+                    <label><input type='checkbox' id='autoptimize_imgopt_webp_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_4]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_4']) && '1' === $options['autoptimize_imgopt_checkbox_field_3']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Automatically serve "next-gen" WebP image format to any browser that supports it (requires lazy load to be active).', 'autoptimize'); ?></label>
1005 1005
                 </td>
1006 1006
             </tr>
1007 1007
             <tr>
1008
-                <th scope="row"><?php _e( 'Lazy-load images?', 'autoptimize' ); ?></th>
1008
+                <th scope="row"><?php _e('Lazy-load images?', 'autoptimize'); ?></th>
1009 1009
                 <td>
1010
-                    <label><input type='checkbox' id='autoptimize_imgopt_lazyload_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_3]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_3'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_3'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Image lazy-loading will delay the loading of non-visible images to allow the browser to optimally load all resources for the "above the fold"-page first.', 'autoptimize' ); ?></label>
1010
+                    <label><input type='checkbox' id='autoptimize_imgopt_lazyload_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_3]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_3']) && '1' === $options['autoptimize_imgopt_checkbox_field_3']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Image lazy-loading will delay the loading of non-visible images to allow the browser to optimally load all resources for the "above the fold"-page first.', 'autoptimize'); ?></label>
1011 1011
                 </td>
1012 1012
             </tr>
1013
-            <tr id='autoptimize_imgopt_lazyload_exclusions' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_3', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_3'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_3'] ) ) { echo 'class="hidden"'; } ?>>
1014
-                <th scope="row"><?php _e( 'Lazy-load exclusions', 'autoptimize' ); ?></th>
1013
+            <tr id='autoptimize_imgopt_lazyload_exclusions' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_3', $options) || (isset($options['autoptimize_imgopt_checkbox_field_3']) && '1' !== $options['autoptimize_imgopt_checkbox_field_3'])) { echo 'class="hidden"'; } ?>>
1014
+                <th scope="row"><?php _e('Lazy-load exclusions', 'autoptimize'); ?></th>
1015 1015
                 <td>
1016
-                    <label><input type='text' style='width:80%' id='autoptimize_imgopt_lazyload_exclusions' name='autoptimize_imgopt_settings[autoptimize_imgopt_text_field_5]' value='<?php if ( ! empty( $options['autoptimize_imgopt_text_field_5'] ) ) { echo esc_attr( $options['autoptimize_imgopt_text_field_5'] ); } ?>'><br /><?php _e( 'Comma-separated list of to be excluded image classes or filenames.', 'autoptimize' ); ?></label>
1016
+                    <label><input type='text' style='width:80%' id='autoptimize_imgopt_lazyload_exclusions' name='autoptimize_imgopt_settings[autoptimize_imgopt_text_field_5]' value='<?php if (!empty($options['autoptimize_imgopt_text_field_5'])) { echo esc_attr($options['autoptimize_imgopt_text_field_5']); } ?>'><br /><?php _e('Comma-separated list of to be excluded image classes or filenames.', 'autoptimize'); ?></label>
1017 1017
                 </td>
1018 1018
             </tr>
1019 1019
         </table>
1020
-        <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p>
1020
+        <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e('Save Changes', 'autoptimize'); ?>" /></p>
1021 1021
     </form>
1022 1022
     <script>
1023 1023
         jQuery(document).ready(function() {
@@ -1053,37 +1053,37 @@  discard block
 block discarded – undo
1053 1053
      * Ïmg opt status as used on dashboard.
1054 1054
      */
1055 1055
     public function get_imgopt_status_notice() {
1056
-        if ( $this->imgopt_active() ) {
1056
+        if ($this->imgopt_active()) {
1057 1057
             $_imgopt_notice = '';
1058
-            $_stat          = get_option( 'autoptimize_imgopt_provider_stat', '' );
1058
+            $_stat          = get_option('autoptimize_imgopt_provider_stat', '');
1059 1059
             $_site_host     = AUTOPTIMIZE_SITE_DOMAIN;
1060
-            $_imgopt_upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/' . $_site_host;
1060
+            $_imgopt_upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/'.$_site_host;
1061 1061
 
1062
-            if ( is_array( $_stat ) ) {
1063
-                if ( 1 == $_stat['Status'] ) {
1062
+            if (is_array($_stat)) {
1063
+                if (1 == $_stat['Status']) {
1064 1064
                     // translators: "add more credits" will appear in a "a href".
1065
-                    $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
1065
+                    $_imgopt_notice = sprintf(__('Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
1066 1066
                 } elseif ( -1 == $_stat['Status'] || -2 == $_stat['Status'] ) {
1067 1067
                     // translators: "add more credits" will appear in a "a href".
1068
-                    $_imgopt_notice            = sprintf( __( 'Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
1069
-                    $_imgopt_stats_refresh_url = add_query_arg( array(
1068
+                    $_imgopt_notice            = sprintf(__('Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
1069
+                    $_imgopt_stats_refresh_url = add_query_arg(array(
1070 1070
                         'page'                => 'autoptimize_imgopt',
1071 1071
                         'refreshImgProvStats' => '1',
1072
-                    ), admin_url( 'options-general.php' ) );
1073
-                    if ( $_stat && array_key_exists( 'timestamp', $_stat ) && ! empty( $_stat['timestamp'] ) ) {
1074
-                        $_imgopt_stats_last_run = __( 'based on status at ', 'autoptimize' ) . date_i18n( get_option( 'time_format' ), $_stat['timestamp'] );
1072
+                    ), admin_url('options-general.php'));
1073
+                    if ($_stat && array_key_exists('timestamp', $_stat) && !empty($_stat['timestamp'])) {
1074
+                        $_imgopt_stats_last_run = __('based on status at ', 'autoptimize').date_i18n(get_option('time_format'), $_stat['timestamp']);
1075 1075
                     } else {
1076
-                        $_imgopt_stats_last_run = __( 'based on previously fetched data', 'autoptimize' );
1076
+                        $_imgopt_stats_last_run = __('based on previously fetched data', 'autoptimize');
1077 1077
                     }
1078
-                    $_imgopt_notice .= ' (' . $_imgopt_stats_last_run . ', ';
1078
+                    $_imgopt_notice .= ' ('.$_imgopt_stats_last_run.', ';
1079 1079
                     // translators: "here to refresh" links to the Autoptimize Extra page and forces a refresh of the img opt stats.
1080
-                    $_imgopt_notice .= sprintf( __( 'click %1$shere to refresh%2$s', 'autoptimize' ), '<a href="' . $_imgopt_stats_refresh_url . '">', '</a>).' );
1080
+                    $_imgopt_notice .= sprintf(__('click %1$shere to refresh%2$s', 'autoptimize'), '<a href="'.$_imgopt_stats_refresh_url.'">', '</a>).');
1081 1081
                 } else {
1082 1082
                     $_imgopt_upsell = 'https://shortpixel.com/g/af/GWRGFLW109483';
1083 1083
                     // translators: "log in to check your account" will appear in a "a href".
1084
-                    $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
1084
+                    $_imgopt_notice = sprintf(__('Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
1085 1085
                 }
1086
-                $_imgopt_notice = apply_filters( 'autoptimize_filter_imgopt_notice', $_imgopt_notice );
1086
+                $_imgopt_notice = apply_filters('autoptimize_filter_imgopt_notice', $_imgopt_notice);
1087 1087
 
1088 1088
                 return array(
1089 1089
                     'status' => $_stat['Status'],
@@ -1104,14 +1104,14 @@  discard block
 block discarded – undo
1104 1104
      * Get img provider stats (used to display notice).
1105 1105
      */
1106 1106
     public function query_img_provider_stats() {
1107
-        if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_1'] ) ) {
1107
+        if (!empty($this->options['autoptimize_imgopt_checkbox_field_1'])) {
1108 1108
             $url      = '';
1109
-            $endpoint = $this->get_imgopt_host() . 'read-domain/';
1109
+            $endpoint = $this->get_imgopt_host().'read-domain/';
1110 1110
             $domain   = AUTOPTIMIZE_SITE_DOMAIN;
1111 1111
 
1112 1112
             // make sure parse_url result makes sense, keeping $url empty if not.
1113
-            if ( $domain && ! empty( $domain ) ) {
1114
-                $url = $endpoint . $domain;
1113
+            if ($domain && !empty($domain)) {
1114
+                $url = $endpoint.$domain;
1115 1115
             }
1116 1116
 
1117 1117
             $url = apply_filters(
@@ -1121,12 +1121,12 @@  discard block
 block discarded – undo
1121 1121
 
1122 1122
             // only do the remote call if $url is not empty to make sure no parse_url
1123 1123
             // weirdness results in useless calls.
1124
-            if ( ! empty( $url ) ) {
1125
-                $response = wp_remote_get( $url );
1126
-                if ( ! is_wp_error( $response ) ) {
1127
-                    if ( '200' == wp_remote_retrieve_response_code( $response ) ) {
1128
-                        $stats = json_decode( wp_remote_retrieve_body( $response ), true );
1129
-                        update_option( 'autoptimize_imgopt_provider_stat', $stats );
1124
+            if (!empty($url)) {
1125
+                $response = wp_remote_get($url);
1126
+                if (!is_wp_error($response)) {
1127
+                    if ('200' == wp_remote_retrieve_response_code($response)) {
1128
+                        $stats = json_decode(wp_remote_retrieve_body($response), true);
1129
+                        update_option('autoptimize_imgopt_provider_stat', $stats);
1130 1130
                     }
1131 1131
                 }
1132 1132
             }
@@ -1149,15 +1149,15 @@  discard block
 block discarded – undo
1149 1149
     {
1150 1150
         static $launch_status = null;
1151 1151
 
1152
-        if ( null === $launch_status ) {
1152
+        if (null === $launch_status) {
1153 1153
             $avail_imgopt  = $this->options['availabilities']['extra_imgopt'];
1154
-            $magic_number  = intval( substr( md5( parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST ) ), 0, 3 ), 16 );
1155
-            $has_launched  = get_option( 'autoptimize_imgopt_launched', '' );
1154
+            $magic_number  = intval(substr(md5(parse_url(AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST)), 0, 3), 16);
1155
+            $has_launched  = get_option('autoptimize_imgopt_launched', '');
1156 1156
             $launch_status = false;
1157
-            if ( $has_launched || ( is_array( $avail_imgopt ) && array_key_exists( 'launch-threshold', $avail_imgopt ) && $magic_number < $avail_imgopt['launch-threshold'] ) ) {
1157
+            if ($has_launched || (is_array($avail_imgopt) && array_key_exists('launch-threshold', $avail_imgopt) && $magic_number < $avail_imgopt['launch-threshold'])) {
1158 1158
                 $launch_status = true;
1159
-                if ( ! $has_launched ) {
1160
-                    update_option( 'autoptimize_imgopt_launched', 'on' );
1159
+                if (!$has_launched) {
1160
+                    update_option('autoptimize_imgopt_launched', 'on');
1161 1161
                 }
1162 1162
             }
1163 1163
         }
@@ -1174,16 +1174,16 @@  discard block
 block discarded – undo
1174 1174
     public function get_imgopt_provider_userstatus() {
1175 1175
         static $_provider_userstatus = null;
1176 1176
 
1177
-        if ( is_null( $_provider_userstatus ) ) {
1178
-            $_stat = get_option( 'autoptimize_imgopt_provider_stat', '' );
1179
-            if ( is_array( $_stat ) ) {
1180
-                if ( array_key_exists( 'Status', $_stat ) ) {
1177
+        if (is_null($_provider_userstatus)) {
1178
+            $_stat = get_option('autoptimize_imgopt_provider_stat', '');
1179
+            if (is_array($_stat)) {
1180
+                if (array_key_exists('Status', $_stat)) {
1181 1181
                     $_provider_userstatus['Status'] = $_stat['Status'];
1182 1182
                 } else {
1183 1183
                     // if no stats then we assume all is well.
1184 1184
                     $_provider_userstatus['Status'] = 2;
1185 1185
                 }
1186
-                if ( array_key_exists( 'timestamp', $_stat ) ) {
1186
+                if (array_key_exists('timestamp', $_stat)) {
1187 1187
                     $_provider_userstatus['timestamp'] = $_stat['timestamp'];
1188 1188
                 } else {
1189 1189
                     // if no timestamp then we return "".
@@ -1196,27 +1196,27 @@  discard block
 block discarded – undo
1196 1196
     }
1197 1197
 
1198 1198
     public function get_status_notice() {
1199
-        if ( $this->imgopt_active() ) {
1199
+        if ($this->imgopt_active()) {
1200 1200
             $notice = '';
1201 1201
             $stat   = $this->get_imgopt_provider_userstatus();
1202
-            $upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/' . AUTOPTIMIZE_SITE_DOMAIN;
1202
+            $upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/'.AUTOPTIMIZE_SITE_DOMAIN;
1203 1203
             $assoc  = 'https://shortpixel.helpscoutdocs.com/article/94-how-to-associate-a-domain-to-my-account';
1204 1204
 
1205
-            if ( is_array( $stat ) ) {
1206
-                if ( 1 == $stat['Status'] ) {
1205
+            if (is_array($stat)) {
1206
+                if (1 == $stat['Status']) {
1207 1207
                     // translators: "add more credits" will appear in a "a href".
1208
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
1208
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
1209 1209
                 } elseif ( -1 == $stat['Status'] || -2 == $stat['Status'] ) {
1210 1210
                     // translators: "add more credits" will appear in a "a href".
1211
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
1211
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
1212 1212
                     // translators: "associate your domain" will appear in a "a href".
1213
-                    $notice = $notice . ' ' . sprintf( __( 'If you already have enough credits then you may need to %1$sassociate your domain%2$s to your Shortpixel account.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $assoc . '" target="_blank">', '</a>' );
1213
+                    $notice = $notice.' '.sprintf(__('If you already have enough credits then you may need to %1$sassociate your domain%2$s to your Shortpixel account.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$assoc.'" target="_blank">', '</a>');
1214 1214
                 } else {
1215 1215
                     $upsell = 'https://shortpixel.com/g/af/GWRGFLW109483';
1216 1216
                     // translators: "log in to check your account" will appear in a "a href".
1217
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
1217
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
1218 1218
                 }
1219
-                $notice = apply_filters( 'autoptimize_filter_imgopt_notice', $notice );
1219
+                $notice = apply_filters('autoptimize_filter_imgopt_notice', $notice);
1220 1220
 
1221 1221
                 return array(
1222 1222
                     'status' => $stat['Status'],
Please login to merge, or discard this patch.