← All changes | inc/lazyload_replacer.php +167 -57 3.1.3 → trunk View file →

		@@ -1,6 +1,9 @@
1	1	<?php
2	2
	3	+use OptimoleWP\PageProfiler\Profile;
	4	+use OptimoleWP\Preload\Links;
	5	+
3	6	/**
4	7	* The class handles the img tag replacements for lazyload.
5	8	*
6	9	* @package \Optml\Inc
		@@ -8,8 +11,9 @@
8	11	*/
9	12	final class Optml_Lazyload_Replacer extends Optml_App_Replacer {
10	13	use Optml_Normalizer;
11	14	use Optml_Validator;
	15	+ use Optml_Dam_Offload_Utils;
12	16
13	17	const IFRAME_PLACEHOLDER_CLASS = '
14	18	iframe[data-opt-src]:not([data-opt-lazy-loaded]) {
15	19	background-color: #ffffff;
		@@ -26,9 +30,9 @@
26	30	const IFRAME_PLACEHOLDER_STYLE = '<style type="text/css">' . self::IFRAME_PLACEHOLDER_CLASS . '</style>';
27	31
28	32	const IFRAME_TEMP_COMMENT = '/** optmliframelazyloadplaceholder */';
29	33
30		- const SVG_PLACEHOLDER = 'data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20#width#%20#height#%22%20width%3D%22#width#%22%20height%3D%22#height#%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3C%2Fsvg%3E';
	34	+ const SVG_PLACEHOLDER = 'data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%20#width#%20#height#%22%20width%3D%22#width#%22%20height%3D%22#height#%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%22#width#%22%20height%3D%22#height#%22%20fill%3D%22#fill#%22%2F%3E%3C%2Fsvg%3E';
31	35	/**
32	36	* If frame lazyload is present on page.
33	37	*
34	38	* @var bool Whether or not at least one iframe has been lazyloaded.
		@@ -36,9 +40,9 @@
36	40	private static $found_iframe = false;
37	41	/**
38	42	* Cached object instance.
39	43	*
40		- * @var Optml_Tag_Replacer
	44	+ * @var Optml_Lazyload_Replacer
41	45	*/
42	46	protected static $instance = null;
43	47	/**
44	48	* Holds the number of images to skip from lazyload.
		@@ -81,13 +85,8 @@
81	85	*
82	86	* @var bool Lazyload placeholder flag.
83	87	*/
84	88	private static $is_lazyload_placeholder = false;
85		- /**
86		- * Holds flags which remove noscript tag bundle causing issues on render, i.e slider plugins.
87		- *
88		- * @var array Noscript flags.
89		- */
90	89
91	90	/**
92	91	* Class instance method.
93	92	*
		@@ -92,9 +91,9 @@
92	91	* Class instance method.
93	92	*
94	93	* @codeCoverageIgnore
95	94	* @static
96		- * @return Optml_Tag_Replacer
	95	+ * @return Optml_Lazyload_Replacer
97	96	* @since 1.0.0
98	97	* @access public
99	98	*/
100	99	public static function instance() {
		@@ -111,21 +110,26 @@
111	110	*
112	111	* @return array Lazyload selectors.
113	112	*/
114	113	public static function get_background_lazyload_selectors() {
	114	+ if ( null !== self::$background_lazyload_selectors ) {
	115	+ return self::$background_lazyload_selectors;
	116	+ }
115	117
116		- if ( ! empty( self::$background_lazyload_selectors ) && is_array( self::$background_lazyload_selectors ) ) {
	118	+ if ( self::instance()->settings === null ) {
	119	+ self::$background_lazyload_selectors = [];
	120	+
117	121	return self::$background_lazyload_selectors;
118	122	}
119	123	if ( self::instance()->settings->get( 'bg_replacer' ) === 'disabled' ) {
120	124	self::$background_lazyload_selectors = [];
121		-
122	125	return self::$background_lazyload_selectors;
123	126	}
124	127	$default_watchers = [
125		- '.elementor-section[data-settings*="background_background"]',
126		- '.elementor-section > .elementor-background-overlay',
127		- '.wp-block-cover[style*="background-image"]',
	128	+ '[class*="wp-block-cover"][style*="background-image"]',
	129	+ '[style*="background-image:url("]', '[style*="background-image: url("]',
	130	+ '[style*="background:url("]', '[style*="background: url("]',
	131	+ '[class*="wp-block-group"][style*="background-image"]',
128	132	];
129	133
130	134	$saved_watchers = self::instance()->settings->get_watchers();
131	135
		@@ -150,10 +154,9 @@
150	154	*
151	155	* @return array
152	156	*/
153	157	public static function get_lazyload_bg_classes() {
154		-
155		- if ( ! empty( self::$lazyload_background_classes ) && is_array( self::$lazyload_background_classes ) ) {
	158	+ if ( null !== self::$lazyload_background_classes ) {
156	159	return self::$lazyload_background_classes;
157	160	}
158	161
159	162	self::$lazyload_background_classes = apply_filters( 'optml_lazyload_bg_classes', [] );
		@@ -169,8 +172,9 @@
169	172
170	173	if ( self::$skip_lazyload_images !== null ) {
171	174	return self::$skip_lazyload_images;
172	175	}
	176	+
173	177	self::$skip_lazyload_images = apply_filters( 'optml_lazyload_images_skip', self::instance()->settings->get( 'skip_lazyload_images' ) );
174	178	return self::$skip_lazyload_images;
175	179	}
176	180	/**
		@@ -178,10 +182,9 @@
178	182	*
179	183	* @return array
180	184	*/
181	185	public static function get_watcher_lz_classes() {
182		-
183		- if ( ! empty( self::$lazyload_watcher_classes ) && is_array( self::$lazyload_watcher_classes ) ) {
	186	+ if ( null !== self::$lazyload_watcher_classes ) {
184	187	return self::$lazyload_watcher_classes;
185	188	}
186	189
187	190	self::$lazyload_watcher_classes = apply_filters( 'optml_watcher_lz_classes', [] );
		@@ -197,24 +200,18 @@
197	200
198	201	if ( ! $this->settings->use_lazyload() ) {
199	202	return;
200	203	}
201		- if ( ! Optml_Filters::should_do_page( self::$filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_URL ] ) ) {
	204	+ $filters = $this->settings->get_filters();
	205	+ if ( ! Optml_Filters::should_do_page( $filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_URL ], $filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_URL_MATCH ] ) ) {
202	206	return;
203	207	}
204	208
205		- add_filter(
206		- 'max_srcset_image_width',
207		- function () {
208		- return 1;
209		- }
210		- );
211	209	self::$is_lazyload_placeholder = self::$instance->settings->get( 'lazyload_placeholder' ) === 'enabled';
212	210
213	211	add_filter( 'optml_tag_replace', [ $this, 'lazyload_tag_replace' ], 2, 6 );
214	212
215		- add_filter( 'optml_video_replace', [$this, 'lazyload_video_replace'], 2, 1 );
216		-
	213	+ add_filter( 'optml_video_replace', [ $this, 'lazyload_video_replace' ], 2, 1 );
217	214	}
218	215	/**
219	216	* Check if there are lazyloaded iframes.
220	217	*
		@@ -224,8 +221,25 @@
224	221	return self::$found_iframe;
225	222	}
226	223
227	224	/**
	225	+ * Check if the img tag should be lazyloaded early.
	226	+ *
	227	+ * @param string $image_tag The image tag.
	228	+ * @return bool Whether the image tag should be lazyloaded early or not.
	229	+ */
	230	+ public function should_lazyload_early( $image_tag ) {
	231	+ $flags = apply_filters( 'optml_lazyload_early_flags', [] );
	232	+
	233	+ foreach ( $flags as $flag ) {
	234	+ if ( strpos( $image_tag, $flag ) !== false ) {
	235	+ return true;
	236	+ }
	237	+ }
	238	+
	239	+ return false;
	240	+ }
	241	+ /**
228	242	* Replaces the tags with lazyload tags.
229	243	*
230	244	* @param string $new_tag The new tag.
231	245	* @param string $original_url The original URL.
		@@ -238,16 +252,49 @@
238	252	*/
239	253	public function lazyload_tag_replace( $new_tag, $original_url, $new_url, $optml_args, $is_slashed = false, $full_tag = '' ) {
240	254
241	255	if ( ! $this->can_lazyload_for( $original_url, $full_tag ) ) {
	256	+
242	257	return Optml_Tag_Replacer::instance()->regular_tag_replace( $new_tag, $original_url, $new_url, $optml_args, $is_slashed );
243	258	}
	259	+ // Remove fetchpriority high attribute when the image is lazyloaded
	260	+ if ( strpos( $new_tag, 'fetchpriority' ) !== false ) {
	261	+ $new_tag = str_ireplace(
	262	+ [
	263	+ 'fetchpriority=high',
	264	+ 'fetchpriority="high"',
	265	+ "fetchpriority='high'",
	266	+ 'fetchpriority=\"high\"',
	267	+ "fetchpriority=\'high\'",
	268	+ ],
	269	+ '',
	270	+ $new_tag
	271	+ );
	272	+ }
	273	+
	274	+ if ( self::instance()->settings->get( 'native_lazyload' ) === 'enabled' ) {
	275	+ // First check if loading attribute already exists
	276	+ if ( strpos( $new_tag, 'loading=' ) !== false ) {
	277	+ // Replace existing loading attribute with lazy
	278	+ $loading_attr = $is_slashed ? 'loading=\"lazy\"' : 'loading="lazy"';
	279	+ $new_tag = preg_replace( '/loading=(["\'])[^"\']*\1/i', $loading_attr, $new_tag );
	280	+ } else {
	281	+ // No loading attribute exists, add it after <img
	282	+ $loading_attr = $is_slashed ? ' loading=\"lazy\"' : ' loading="lazy"';
	283	+ $new_tag = preg_replace( '/<img/i', '<img' . $loading_attr, $new_tag, 1 );
	284	+ }
	285	+ return $new_tag;
	286	+ }
	287	+
	288	+ // we remove the loading attribute if it exists with strpos
	289	+ $new_tag = preg_replace( '/loading=(["\'])[^"\']*\1/i', '', $new_tag );
	290	+
244	291	$should_ignore_rescale = ! $this->is_valid_mimetype_from_url( $original_url, [ 'gif' => true, 'svg' => true ] );
245	292
246	293	if ( ! self::$is_lazyload_placeholder && ! $should_ignore_rescale ) {
247	294	$optml_args['quality'] = 'eco';
248	295	$optml_args['resize'] = [];
249		- $low_url = apply_filters( 'optml_content_url', $original_url, $optml_args );
	296	+ $low_url = apply_filters( 'optml_content_url', $this->get_unoptimized_url( $original_url ), $optml_args );
250	297	$low_url = $is_slashed ? addcslashes( $low_url, '/' ) : $low_url;
251	298	} else {
252	299	$low_url = $this->get_svg_for(
253	300	isset( $optml_args['width'] ) ? $optml_args['width'] : '100%',
		@@ -254,20 +301,28 @@
254	301	isset( $optml_args['height'] ) ? $optml_args['height'] : '100%',
255	302	( $should_ignore_rescale ? null : $original_url )
256	303	);
257	304	}
258		-
259	305	$opt_format = '';
260	306
261	307	if ( $this->should_add_data_tag( $full_tag ) ) {
262	308	$opt_format = ' data-opt-src="%s" ';
	309	+ $custom_class = '';
	310	+
263	311	if ( $should_ignore_rescale ) {
	312	+ $custom_class .= 'optimole-lazy-only ';
	313	+ }
	314	+ if ( $this->should_lazyload_early( $full_tag ) ) {
	315	+ $custom_class .= 'optimole-load-early';
	316	+ }
	317	+
	318	+ if ( ! empty( $custom_class ) ) {
264	319	if ( strpos( $new_tag, 'class=' ) === false ) {
265		- $opt_format .= ' class="optimole-lazy-only" ';
	320	+ $opt_format .= ' class="' . $custom_class . '" ';
266	321	} else {
267	322	$new_tag = str_replace(
268	323	( $is_slashed ? 'class=\"' : 'class="' ),
269		- ( $is_slashed ? 'class=\"optimole-lazy-only ' : 'class="optimole-lazy-only ' ),
	324	+ ( $is_slashed ? 'class=\"' . $custom_class . ' ' : 'class="' . $custom_class . ' ' ),
270	325	$new_tag
271	326	);
272	327	}
273	328	}
		@@ -293,12 +348,16 @@
293	348	],
294	349	$new_tag,
295	350	1
296	351	);
	352	+
	353	+ // We remove srcset and sizes attributes since our lazyload does not need them.
	354	+ $pattern = '/\s+(?:srcset|sizes)=("[^"]*"|\'[^\']*\'|\\\\"[^\\\\"]*\\\\")/i';
	355	+ $new_tag = preg_replace( $pattern, '', $new_tag );
	356	+
	357	+ // We keep this for srcset lazyload compatibility that might break our mechanism.
297	358	$new_tag = str_replace( 'srcset=', 'old-srcset=', $new_tag );
298		- if ( strpos( $new_tag, 'loading=' ) === false && self::instance()->settings->get( 'native_lazyload' ) === 'enabled' ) {
299		- $new_tag = preg_replace( '/<img/im', $is_slashed ? '<img loading=\"lazy\"' : '<img loading="lazy"', $new_tag );
300		- }
	359	+
301	360	if ( ! $this->should_add_noscript( $new_tag ) ) {
302	361	return $new_tag;
303	362	}
304	363
		@@ -315,14 +374,16 @@
315	374	$video_tags = [];
316	375	$iframes = [];
317	376	$videos = [];
318	377	preg_match_all( '#(?:<noscript\s*>\s*)?<iframe(.*?)></iframe>(?:\s*</noscript\s*>)?#is', $content, $iframes );
319		- preg_match_all( '#(?:<noscript\s*>\s*)?<video(.*?)></video>(?:\s*</noscript\s*>)?#is', $content, $videos );
	378	+ preg_match_all( '#(?:<noscript\s*>\s*)?<video(.*?)>.*?</video>(?:\s*</noscript\s*>)?#is', $content, $videos );
320	379	$video_tags = array_merge( $iframes[0], $videos[0] );
321	380
322	381	$search = [];
323	382	$replace = [];
	383	+
324	384	foreach ( $video_tags as $video_tag ) {
	385	+
325	386	if ( ! $this->should_lazyload_iframe( $video_tag ) ) {
326	387	continue;
327	388	}
328	389	if ( preg_match( "/ data-opt-src=['\"]/is", $video_tag ) ) {
		@@ -327,8 +388,9 @@
327	388	}
328	389	if ( preg_match( "/ data-opt-src=['\"]/is", $video_tag ) ) {
329	390	continue;
330	391	}
	392	+ $should_add_noscript = true;
331	393	$original_tag = $video_tag;
332	394	// replace the src and add the data-opt-src attribute
333	395	if ( strpos( $video_tag, 'iframe' ) !== false ) {
334	396	$video_tag = preg_replace( '/iframe(.*?)src=/is', 'iframe$1 src="about:blank" data-opt-src=', $video_tag );
		@@ -334,9 +396,10 @@
334	396	$video_tag = preg_replace( '/iframe(.*?)src=/is', 'iframe$1 src="about:blank" data-opt-src=', $video_tag );
335	397	} elseif ( strpos( $video_tag, 'video' ) !== false ) {
336	398	if ( strpos( $video_tag, 'source' ) !== false ) {
337	399	if ( strpos( $video_tag, 'preload' ) === false ) {
338		- $video_tag = preg_replace( '/video(.*?)>/is', 'video$1 preload=none>', $video_tag, 1 );
	400	+ $video_tag = preg_replace( '/video(.*?)>/is', 'video$1 preload="metadata">', $video_tag, 1 );
	401	+ $should_add_noscript = false;
339	402	} else {
340	403	continue;
341	404	}
342	405	} else {
		@@ -342,9 +405,9 @@
342	405	} else {
343	406	$video_tag = preg_replace( '/video(.*?)src=/is', 'video$1 data-opt-src=', $video_tag );
344	407	}
345	408	}
346		- if ( $this->should_add_noscript( $video_tag ) ) {
	409	+ if ( $this->should_add_noscript( $video_tag ) && $should_add_noscript ) {
347	410	$video_tag .= '<noscript>' . $original_tag . '</noscript>';
348	411	}
349	412	array_push( $search, $original_tag );
350	413	array_push( $replace, $video_tag );
		@@ -364,8 +427,11 @@
364	427	*
365	428	* @return bool We can lazyload?
366	429	*/
367	430	public function can_lazyload_for( $url, $tag = '' ) {
	431	+ if ( OPTML_DEBUG ) {
	432	+ do_action( 'optml_log', 'can_lazyload_for: ' . $url . ' ' . $tag );
	433	+ }
368	434	foreach ( self::possible_lazyload_flags() as $banned_string ) {
369	435	if ( strpos( $tag, $banned_string ) !== false ) {
370	436	return false;
371	437	}
		@@ -379,9 +445,9 @@
379	445	basename( $url ),
380	446	Optml_Config::$image_extensions
381	447	);
382	448
383		- if ( ! isset( $type['ext'] ) || empty( $type['ext'] ) ) {
	449	+ if ( empty( $type['ext'] ) ) {
384	450	return false;
385	451	}
386	452
387	453	if ( false === Optml_Filters::should_do_extension( self::$filters[ Optml_Settings::FILTER_TYPE_LAZYLOAD ][ Optml_Settings::FILTER_EXT ], $type['ext'] ) ) {
		@@ -390,9 +456,35 @@
390	456
391	457	if ( defined( 'OPTML_DISABLE_PNG_LAZYLOAD' ) && OPTML_DISABLE_PNG_LAZYLOAD ) {
392	458	return $type['ext'] !== 'png';
393	459	}
394		- if ( Optml_Tag_Replacer::$lazyload_skipped_images < self::get_skip_lazyload_limit() ) {
	460	+
	461	+ $no_viewport_data_available = true;
	462	+
	463	+ if ( $this->settings->is_lazyload_type_viewport() ) {
	464	+ $image_id = $this->get_id_by_url( $url );
	465	+ $is_in_all_viewports = Optml_Manager::instance()->page_profiler->is_in_all_viewports( $image_id );
	466	+ $is_lcp_image = Optml_Manager::instance()->page_profiler->is_lcp_image_in_all_viewports( $image_id );
	467	+ $no_viewport_data_available = ! Optml_Manager::instance()->page_profiler->is_data_available();
	468	+
	469	+ if ( OPTML_DEBUG ) {
	470	+ if ( $is_in_all_viewports ) {
	471	+ do_action( 'optml_log', 'Lazyload skipped image is in all viewports ' . $url . '|' . $image_id );
	472	+ } elseif ( $is_lcp_image ) {
	473	+ do_action( 'optml_log', 'Lazyload skipped image is LCP ' . $url . '|' . $image_id );
	474	+ }
	475	+ }
	476	+
	477	+ if ( $is_in_all_viewports || $is_lcp_image ) {
	478	+ return false;
	479	+ }
	480	+ }
	481	+
	482	+ if (
	483	+ $no_viewport_data_available &&
	484	+ $this->settings->is_lazyload_type_fixed() &&
	485	+ Optml_Tag_Replacer::$lazyload_skipped_images < self::get_skip_lazyload_limit()
	486	+ ) {
395	487	return false;
396	488	}
397	489	return true;
398	490	}
		@@ -416,10 +508,10 @@
416	508
417	509	/**
418	510	* Get SVG markup with specific width/height.
419	511	*
420		- * @param int $width Markup Width.
421		- * @param int $height Markup Height.
	512	+ * @param int|string $width Markup Width.
	513	+ * @param int|string $height Markup Height.
422	514	* @param string|null $url Original URL.
423	515	*
424	516	* @return string SVG code.
425	517	*/
		@@ -436,23 +528,39 @@
436	528	$sizes = getimagesize( $filepath );
437	529	wp_cache_add( $key, [ $sizes[0], $sizes[1] ], 'optml_sources', DAY_IN_SECONDS );
438	530	}
439	531	}
440		- list( $width, $height ) = $sizes;
	532	+ // Check if $sizes is an array before list() assignment to prevent fatal error on PHP 8.2+
	533	+ // when the image file is missing (e.g., offloaded to CDN or deleted).
	534	+ if ( is_array( $sizes ) ) {
	535	+ list( $width, $height ) = $sizes;
	536	+ }
441	537	}
	538	+ // If the width is not found the url might be an offloaded attachment so we can get the width and height from the metadata.
	539	+ if ( ! is_numeric( $width ) && ! empty( $url ) ) {
	540	+ $attachment_id = $this->attachment_url_to_post_id( $url );
	541	+ $meta = wp_get_attachment_metadata( $attachment_id );
	542	+ $width = $meta['width'] ?? false;
	543	+ $height = $meta['height'] ?? false;
	544	+ }
442	545
443	546	$width = ! is_numeric( $width ) ? '100%' : $width;
444	547	$height = ! is_numeric( $height ) ? '100%' : $height;
	548	+ $fill = $this->settings->get( 'placeholder_color' );
445	549
446		- return
447		- str_replace(
448		- [ '#width#', '#height#' ],
449		- [
450		- $width,
451		- $height,
452		- ],
453		- self::SVG_PLACEHOLDER
454		- );
	550	+ if ( empty( $fill ) ) {
	551	+ $fill = 'transparent';
	552	+ }
	553	+
	554	+ return str_replace(
	555	+ [ '#width#', '#height#', '#fill#' ],
	556	+ [
	557	+ $width,
	558	+ $height,
	559	+ urlencode( $fill ),
	560	+ ],
	561	+ self::SVG_PLACEHOLDER
	562	+ );
455	563	}
456	564
457	565	/**
458	566	* Check if we should add the noscript tag.
		@@ -461,8 +569,11 @@
461	569	*
462	570	* @return bool Should add?
463	571	*/
464	572	public function should_add_noscript( $tag ) {
	573	+ if ( $this->settings->get( 'no_script' ) === 'disabled' ) {
	574	+ return false;
	575	+ }
465	576	foreach ( self::get_ignore_noscript_flags() as $banned_string ) {
466	577	if ( strpos( $tag, $banned_string ) !== false ) {
467	578	return false;
468	579	}
		@@ -477,8 +588,9 @@
477	588	*
478	589	* @return bool Should add?
479	590	*/
480	591	public function should_lazyload_iframe( $tag ) {
	592	+
481	593	foreach ( self::get_iframe_lazyload_flags() as $banned_string ) {
482	594	if ( strpos( $tag, $banned_string ) !== false ) {
483	595	return false;
484	596	}
		@@ -492,14 +604,13 @@
492	604	*
493	605	* @return array
494	606	*/
495	607	public static function get_ignore_noscript_flags() {
496		-
497		- if ( ! empty( self::$ignore_no_script_flags ) && is_array( self::$ignore_no_script_flags ) ) {
	608	+ if ( null !== self::$ignore_no_script_flags ) {
498	609	return self::$ignore_no_script_flags;
499	610	}
500	611
501		- self::$ignore_no_script_flags = apply_filters( 'optml_ignore_noscript_on', [] );
	612	+ self::$ignore_no_script_flags = apply_filters( 'optml_ignore_noscript_on', [ '<noscript' ] );
502	613
503	614	return self::$ignore_no_script_flags;
504	615	}
505	616	/**
		@@ -507,14 +618,14 @@
507	618	*
508	619	* @return array
509	620	*/
510	621	public static function get_iframe_lazyload_flags() {
511		-
512		- if ( ! empty( self::$iframe_lazyload_flags ) && is_array( self::$iframe_lazyload_flags ) ) {
	622	+ if ( null !== self::$iframe_lazyload_flags ) {
513	623	return self::$iframe_lazyload_flags;
514	624	}
515	625
516		- self::$iframe_lazyload_flags = apply_filters( 'optml_iframe_lazyload_flags', [ 'gform_ajax_frame', '<noscript', 'recaptcha', 'original-src' ] );
	626	+ self::$iframe_lazyload_flags = self::possible_lazyload_flags();
	627	+ self::$iframe_lazyload_flags = array_merge( self::$iframe_lazyload_flags, apply_filters( 'optml_iframe_lazyload_flags', [ 'gform_ajax_frame', '<noscript', 'recaptcha', '-src' ] ) );
517	628
518	629	return self::$iframe_lazyload_flags;
519	630	}
520	631	/**
		@@ -544,6 +655,5 @@
544	655	public function __wakeup() {
545	656	// Unserializing instances of the class is forbidden.
546	657	_doing_it_wrong( __FUNCTION__, esc_html__( 'Cheatin&#8217; huh?', 'optimole-wp' ), '1.0.0' );
547	658	}
548		-
549	659	}