optimole-wp / inc / settings.php

settings.php in Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization 3.10.0, at inc/settings.php

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1	<?php
2
3	/**
4	* Class Optml_Settings.
5	*/
6	class Optml_Settings {
7	use Optml_Normalizer;
8
9	const FILTER_EXT = 'extension';
10	const FILTER_URL = 'page_url';
11	const FILTER_URL_MATCH = 'page_url_match';
12	const FILTER_FILENAME = 'filename';
13	const FILTER_CLASS = 'class';
14	const FILTER_TYPE_LAZYLOAD = 'lazyload';
15	const FILTER_TYPE_OPTIMIZE = 'optimize';
16	const OPTML_USER_EMAIL = 'optml_user_email';
17	/**
18	* Holds an array of possible settings to alter via wp cli or wp-config constants.
19	*
20	* @var array Whitelisted settings.
21	*/
22	public static $whitelisted_settings = [
23	'image_replacer' => 'bool',
24	'quality' => 'int',
25	'lazyload' => 'bool',
26	'lazyload_placeholder' => 'bool',
27	'network_optimization' => 'bool',
28	'autoquality' => 'bool',
29	'img_to_video' => 'bool',
30	'resize_smart' => 'bool',
31	'retina_images' => 'bool',
32	'native_lazyload' => 'bool',
33	'video_lazyload' => 'bool',
34	'bg_replacer' => 'bool',
35	'scale' => 'bool',
36	'cdn' => 'bool',
37	];
38	/**
39	* Holds the status of the auto connect hook.
40	*
41	* @var boolean Whether or not the auto connect action is hooked.
42	*/
43	private static $auto_connect_hooked = false;
44
45	/**
46	* Default settings schema.
47	*
48	* @var array Settings schema.
49	*/
50	private $default_schema = [
51	'api_key' => '',
52	'service_data' => '',
53	'cache_buster' => '',
54	'cache_buster_assets' => '',
55	'cache_buster_images' => '',
56	'cdn' => 'disabled',
57	'max_height' => 1500,
58	'max_width' => 2000,
59	'admin_bar_item' => 'enabled',
60	'lazyload' => 'disabled',
61	'scale' => 'disabled',
62	'network_optimization' => 'disabled',
63	'lazyload_placeholder' => 'enabled',
64	'bg_replacer' => 'enabled',
65	'video_lazyload' => 'enabled',
66	'retina_images' => 'disabled',
67	'limit_dimensions' => 'disabled',
68	'limit_height' => 1080,
69	'limit_width' => 1920,
70	'resize_smart' => 'disabled',
71	'no_script' => 'disabled',
72	'filters' => [],
73	'cloud_sites' => [ 'all' => 'true' ],
74	'watchers' => '',
75	'quality' => 'auto',
76	'wm_id' => - 1,
77	'wm_opacity' => 1,
78	'wm_position' => Optml_Resize::GRAVITY_SOUTH_EAST,
79	'wm_x' => 0,
80	'wm_y' => 0,
81	'wm_scale' => 0,
82	'image_replacer' => 'enabled',
83	'img_to_video' => 'disabled',
84	'css_minify' => 'enabled',
85	'js_minify' => 'disabled',
86	'report_script' => 'disabled',
87	'avif' => 'enabled',
88	'autoquality' => 'enabled',
89	'native_lazyload' => 'disabled',
90	'offload_media' => 'disabled',
91	'cloud_images' => 'disabled',
92	'strip_metadata' => 'enabled',
93	'skip_lazyload_images' => 3,
94	'defined_image_sizes' => [ ],
95	'banner_frontend' => 'disabled',
96	'offloading_status' => 'disabled',
97	'rollback_status' => 'disabled',
98	'best_format' => 'enabled',
99	'placeholder_color' => '',
100	];
101	/**
102	* Option key.
103	*
104	* @var string Option name.
105	*/
106	private $namespace;
107	/**
108	* Holds all options from db.
109	*
110	* @var array All options.
111	*/
112	private $options;
113
114	/**
115	* Optml_Settings constructor.
116	*/
117	public function __construct() {
118
119	$this->namespace = OPTML_NAMESPACE . '_settings';
120	$this->default_schema = apply_filters( 'optml_default_settings', $this->default_schema );
121	$this->options = wp_parse_args( get_option( $this->namespace, $this->default_schema ), $this->default_schema );
122
123	if ( defined( 'OPTIML_ENABLED_MU' ) && defined( 'OPTIML_MU_SITE_ID' ) && $this->to_boolean( constant( 'OPTIML_ENABLED_MU' ) ) && constant( 'OPTIML_MU_SITE_ID' ) ) {
124	switch_to_blog( constant( 'OPTIML_MU_SITE_ID' ) );
125	$this->options = wp_parse_args( get_option( $this->namespace, $this->default_schema ), $this->default_schema );
126	restore_current_blog();
127	}
128
129	if ( defined( 'OPTIML_USE_ENV' ) && constant( 'OPTIML_USE_ENV' ) && $this->to_boolean( constant( 'OPTIML_USE_ENV' ) ) ) {
130
131	if ( defined( 'OPTIML_API_KEY' )
132	&& constant( 'OPTIML_API_KEY' ) !== ''
133	) {
134	if ( ! $this->is_connected() && ! self::$auto_connect_hooked ) {
135	self::$auto_connect_hooked = true;
136	add_action(
137	'plugins_loaded',
138	[ $this, 'auto_connect' ]
139	);
140	}
141	}
142
143	foreach ( self::$whitelisted_settings as $key => $type ) {
144	$env_key = 'OPTIML_' . strtoupper( $key );
145	if ( defined( $env_key ) && constant( $env_key ) ) {
146	$value = constant( $env_key );
147	if ( $type === 'bool' && ( (string) $value === '' \|\| ! in_array(
148	$value,
149	[
150	'on',
151	'off',
152	],
153	true
154	) ) ) {
155	continue;
156	}
157
158	if ( $type === 'int' && ( (string) $value === '' \|\| (int) $value > 100 \|\| (int) $value < 0 ) ) {
159	continue;
160	}
161	$sanitized_value = ( $type === 'bool' ) ? ( $value === 'on' ? 'enabled' : 'disabled' ) : (int) $value;
162	$this->options[ $key ] = $sanitized_value;
163	}
164	}
165	}
166
167	add_action( 'init', [ $this, 'register_settings' ] );
168	}
169
170	/**
171	* Check if the user is connected to Optimole.
172	*
173	* @return bool Connection status.
174	*/
175	public function is_connected() {
176	$service_data = $this->get( 'service_data' );
177	if ( ! isset( $service_data['cdn_key'] ) ) {
178	return false;
179	}
180	if ( empty( $service_data ['cdn_key'] ) \|\| empty( $service_data['cdn_secret'] ) ) {
181	return false;
182	}
183
184	return true;
185	}
186
187	/**
188	* Get setting value by key.
189	*
190	* @param string $key Key to search against.
191	*
192	* @return mixed\|null Setting value.
193	*/
194	public function get( $key ) {
195	if ( ! $this->is_allowed( $key ) ) {
196	return null;
197	}
198
199	return isset( $this->options[ $key ] ) ? $this->options[ $key ] : '';
200	}
201
202	/**
203	* Check if key is allowed.
204	*
205	* @param string $key Is key allowed or not.
206	*
207	* @return bool Is key allowed or not.
208	*/
209	private function is_allowed( $key ) {
210	return isset( $this->default_schema[ $key ] );
211	}
212
213	/**
214	* Auto connect action.
215	*/
216	public function auto_connect() {
217	$request = new WP_REST_Request( 'POST' );
218	$request->set_param( 'api_key', constant( 'OPTIML_API_KEY' ) );
219	Optml_Main::instance()->rest->connect( $request );
220
221	remove_action( 'plugins_loaded', [ $this, 'auto_connect' ] );
222	self::$auto_connect_hooked = false;
223	}
224
225	/**
226	* Process settings.
227	*
228	* @param array $new_settings List of settings.
229	*
230	* @return array
231	*/
232	public function parse_settings( $new_settings ) {
233	$sanitized = [];
234	foreach ( $new_settings as $key => $value ) {
235	switch ( $key ) {
236	case 'admin_bar_item':
237	case 'lazyload':
238	case 'scale':
239	case 'image_replacer':
240	case 'cdn':
241	case 'network_optimization':
242	case 'lazyload_placeholder':
243	case 'retina_images':
244	case 'limit_dimensions':
245	case 'resize_smart':
246	case 'bg_replacer':
247	case 'video_lazyload':
248	case 'report_script':
249	case 'avif':
250	case 'offload_media':
251	case 'cloud_images':
252	case 'autoquality':
253	case 'img_to_video':
254	case 'css_minify':
255	case 'js_minify':
256	case 'native_lazyload':
257	case 'strip_metadata':
258	case 'no_script':
259	case 'banner_frontend':
260	case 'offloading_status':
261	case 'rollback_status':
262	case 'best_format':
263	$sanitized_value = $this->to_map_values( $value, [ 'enabled', 'disabled' ], 'enabled' );
264	break;
265	case 'max_width':
266	case 'max_height':
267	case 'limit_height':
268	case 'limit_width':
269	$sanitized_value = $this->to_bound_integer( $value, 100, 5000 );
270	break;
271	case 'quality':
272	$sanitized_value = $this->to_bound_integer( $value, 1, 100 );
273	break;
274	case 'wm_id':
275	$sanitized_value = intval( $value );
276	break;
277	case 'cache_buster_assets':
278	case 'cache_buster_images':
279	case 'cache_buster':
280	$sanitized_value = is_string( $value ) ? sanitize_text_field( $value ) : '';
281	break;
282	case 'cloud_sites':
283	$current_sites = $this->get( 'cloud_sites' );
284	$sanitized_value = array_replace_recursive( $current_sites, $value );
285	if ( isset( $value['all'] ) && $value['all'] === 'true' ) {
286	$sanitized_value = [ 'all' => 'true' ];
287	}
288	break;
289	case 'defined_image_sizes':
290	$current_sizes = $this->get( 'defined_image_sizes' );
291	foreach ( $value as $size_name => $size_value ) {
292	if ( $size_value === 'remove' ) {
293	unset( $current_sizes[ $size_name ] );
294	unset( $value[ $size_name ] );
295	}
296	}
297	$sanitized_value = array_replace_recursive( $current_sizes, $value );
298	break;
299	case 'filters':
300	$current_filters = $this->get_filters();
301	$sanitized_value = array_replace_recursive( $current_filters, $value );
302	// Remove falsy vars.
303	foreach ( $sanitized_value as $filter_type => $filter_values ) {
304	foreach ( $filter_values as $filter_rule_type => $filter_rules_value ) {
305	$sanitized_value[ $filter_type ][ $filter_rule_type ] = array_filter(
306	$filter_rules_value,
307	function ( $value ) {
308	return ( $value !== 'false' && $value !== false );
309	}
310	);
311	}
312	}
313	break;
314	case 'watchers':
315	case 'placeholder_color':
316	$sanitized_value = sanitize_text_field( $value );
317	break;
318	case 'skip_lazyload_images':
319	$sanitized_value = $this->to_bound_integer( $value, 0, 100 );
320	break;
321	case 'wm_opacity':
322	case 'wm_scale':
323	case 'wm_x':
324	case 'wm_y':
325	$sanitized_value = floatval( $value );
326	break;
327	case 'wm_position':
328	$sanitized_value = $this->to_map_values(
329	$value,
330	[
331	Optml_Resize::GRAVITY_NORTH,
332	Optml_Resize::GRAVITY_NORTH_EAST,
333	Optml_Resize::GRAVITY_NORTH_WEST,
334	Optml_Resize::GRAVITY_CENTER,
335	Optml_Resize::GRAVITY_EAST,
336	Optml_Resize::GRAVITY_WEST,
337	Optml_Resize::GRAVITY_SOUTH_EAST,
338	Optml_Resize::GRAVITY_SOUTH,
339	Optml_Resize::GRAVITY_SOUTH_WEST,
340	],
341	Optml_Resize::GRAVITY_SOUTH_EAST
342	);
343	break;
344	default:
345	$sanitized_value = '';
346	break;
347
348	}
349
350	$sanitized[ $key ] = $sanitized_value;
351	$this->update( $key, $sanitized_value );
352	}
353
354	return $sanitized;
355	}
356
357	/**
358	* Return filter definitions.
359	*
360	* @return mixed\|null Filter values.
361	*/
362	public function get_filters() {
363
364	$filters = $this->get( 'filters' );
365	if ( ! isset( $filters[ self::FILTER_TYPE_LAZYLOAD ] ) ) {
366	$filters[ self::FILTER_TYPE_LAZYLOAD ] = [];
367	}
368	if ( ! isset( $filters[ self::FILTER_TYPE_OPTIMIZE ] ) ) {
369	$filters[ self::FILTER_TYPE_OPTIMIZE ] = [];
370	}
371	foreach ( $filters as $filter_key => $filter_rules ) {
372	if ( ! isset( $filter_rules[ self::FILTER_EXT ] ) ) {
373	$filters[ $filter_key ][ self::FILTER_EXT ] = [];
374	}
375	if ( ! isset( $filter_rules[ self::FILTER_FILENAME ] ) ) {
376	$filters[ $filter_key ][ self::FILTER_FILENAME ] = [];
377	}
378	if ( ! isset( $filter_rules[ self::FILTER_URL ] ) ) {
379	$filters[ $filter_key ][ self::FILTER_URL ] = [];
380	}
381	if ( ! isset( $filter_rules[ self::FILTER_URL_MATCH ] ) ) {
382	$filters[ $filter_key ][ self::FILTER_URL_MATCH ] = [];
383	}
384	if ( ! isset( $filter_rules[ self::FILTER_CLASS ] ) ) {
385	$filters[ $filter_key ][ self::FILTER_CLASS ] = [];
386	}
387	}
388
389	return $filters;
390	}
391
392	/**
393	* Update frontend banner setting from remote.
394	*
395	* @param bool $value Value.
396	*
397	* @return bool
398	*/
399	public function update_frontend_banner_from_remote( $value ) {
400	if ( ! $this->is_main_mu_site() ) {
401	return false;
402	}
403
404	$opts = $this->options;
405	$opts['banner_frontend'] = $value ? 'enabled' : 'disabled';
406
407	$update = update_option( $this->namespace, $opts, false );
408
409	if ( $update ) {
410	$this->options = $opts;
411	}
412
413	return $update;
414	}
415
416	/**
417	* Update settings.
418	*
419	* @param string $key Settings key.
420	* @param mixed $value Settings value.
421	*
422	* @return bool Update result.
423	*/
424	public function update( $key, $value ) {
425	if ( ! $this->is_allowed( $key ) ) {
426	return false;
427	}
428
429	if ( ! $this->is_main_mu_site() ) {
430	return false;
431	}
432	$opt = $this->options;
433
434	if ( $key === 'banner_frontend' ) {
435	$api = new Optml_Api();
436	$service_data = $this->get( 'service_data' );
437	$application = isset( $service_data['cdn_key'] ) ? $service_data['cdn_key'] : '';
438	$response = $api->update_extra_visits( $opt['api_key'], $value, $application );
439	}
440
441	$opt[ $key ] = $value;
442	$update = update_option( $this->namespace, $opt, false );
443	if ( $update ) {
444	$this->options = $opt;
445	}
446	if ( apply_filters( 'optml_dont_trigger_settings_updated', false ) === false ) {
447	do_action( 'optml_settings_updated' );
448	}
449	return $update;
450	}
451
452	/**
453	* Check that we're on the main OPTML blog.
454	*
455	* @return bool
456	*/
457	private function is_main_mu_site() {
458	// If we try to update from a website which is not the main OPTML blog, bail.
459	if ( defined( 'OPTIML_ENABLED_MU' ) && constant( 'OPTIML_ENABLED_MU' ) && defined( 'OPTIML_MU_SITE_ID' ) && constant( 'OPTIML_MU_SITE_ID' ) &&
460	intval( constant( 'OPTIML_MU_SITE_ID' ) ) !== get_current_blog_id()
461	) {
462	return false;
463	}
464
465	return true;
466	}
467
468	/**
469	* Return site settings.
470	*
471	* @return array Site settings.
472	*/
473	public function get_site_settings() {
474	$service_data = $this->get( 'service_data' );
475	$whitelist = [];
476	if ( isset( $service_data['whitelist'] ) ) {
477	$whitelist = $service_data['whitelist'];
478	}
479
480	return [
481	'quality' => $this->get_quality(),
482	'admin_bar_item' => $this->get( 'admin_bar_item' ),
483	'lazyload' => $this->get( 'lazyload' ),
484	'network_optimization' => $this->get( 'network_optimization' ),
485	'retina_images' => $this->get( 'retina_images' ),
486	'limit_dimensions' => $this->get( 'limit_dimensions' ),
487	'limit_height' => $this->get( 'limit_height' ),
488	'limit_width' => $this->get( 'limit_width' ),
489	'lazyload_placeholder' => $this->get( 'lazyload_placeholder' ),
490	'skip_lazyload_images' => $this->get( 'skip_lazyload_images' ),
491	'bg_replacer' => $this->get( 'bg_replacer' ),
492	'video_lazyload' => $this->get( 'video_lazyload' ),
493	'resize_smart' => $this->get( 'resize_smart' ),
494	'no_script' => $this->get( 'no_script' ),
495	'image_replacer' => $this->get( 'image_replacer' ),
496	'cdn' => $this->get( 'cdn' ),
497	'max_width' => $this->get( 'max_width' ),
498	'max_height' => $this->get( 'max_height' ),
499	'filters' => $this->get_filters(),
500	'cloud_sites' => $this->get( 'cloud_sites' ),
501	'defined_image_sizes' => $this->get( 'defined_image_sizes' ),
502	'watchers' => $this->get_watchers(),
503	'watermark' => $this->get_watermark(),
504	'img_to_video' => $this->get( 'img_to_video' ),
505	'scale' => $this->get( 'scale' ),
506	'css_minify' => $this->get( 'css_minify' ),
507	'js_minify' => $this->get( 'js_minify' ),
508	'native_lazyload' => $this->get( 'native_lazyload' ),
509	'report_script' => $this->get( 'report_script' ),
510	'avif' => $this->get( 'avif' ),
511	'autoquality' => $this->get( 'autoquality' ),
512	'offload_media' => $this->get( 'offload_media' ),
513	'cloud_images' => $this->get( 'cloud_images' ),
514	'strip_metadata' => $this->get( 'strip_metadata' ),
515	'whitelist_domains' => $whitelist,
516	'banner_frontend' => $this->get( 'banner_frontend' ),
517	'offloading_status' => $this->get( 'offloading_status' ),
518	'rollback_status' => $this->get( 'rollback_status' ),
519	'best_format' => $this->get( 'best_format' ),
520	'placeholder_color' => $this->get( 'placeholder_color' ),
521	];
522	}
523
524	/**
525	* Return quality factor.
526	*
527	* @return string Quality factor.
528	*/
529	public function get_quality() {
530	$quality = $this->get( 'quality' );
531	if ( $this->get( 'autoquality' ) === 'enabled' ) {
532	return 'mauto';
533	}
534	// Legacy compat.
535	if ( $quality === 'low' ) {
536	return 'high_c';
537	}
538	if ( $quality === 'medium' ) {
539	return 'medium_c';
540	}
541
542	if ( $quality === 'high' ) {
543	return 'low_c';
544	}
545
546	return $quality;
547	}
548
549	/**
550	* Return filter definitions.
551	*
552	* @return mixed\|null Filter values.
553	*/
554	public function get_watchers() {
555
556	return $this->get( 'watchers' );
557
558	}
559
560	/**
561	* Return an watermark array.
562	*
563	* @return array
564	*/
565	public function get_watermark() {
566	return [
567	'id' => $this->get( 'wm_id' ),
568	'opacity' => $this->get( 'wm_opacity' ),
569	'position' => $this->get( 'wm_position' ),
570	'x_offset' => $this->get( 'wm_x' ),
571	'y_offset' => $this->get( 'wm_y' ),
572	'scale' => $this->get( 'wm_scale' ),
573	];
574	}
575
576	/**
577	* Check if smart cropping is enabled.
578	*
579	* @return bool Is smart cropping enabled.
580	*/
581	public function is_smart_cropping() {
582	return $this->get( 'resize_smart' ) === 'enabled';
583	}
584
585	/**
586	* Check if best format is enabled.
587	*
588	* @return bool
589	*/
590	public function is_best_format() {
591	return $this->get( 'best_format' ) === 'enabled';
592	}
593
594	/**
595	* Get numeric quality used by the service.
596	*
597	* @return int Numeric quality.
598	*/
599	public function get_numeric_quality() {
600	$value = $this->get_quality();
601
602	return (int) $this->to_accepted_quality( $value );
603	}
604
605	/**
606	* Check if replacer is enabled.
607	*
608	* @return bool Replacer enabled
609	*/
610	public function is_enabled() {
611	$status = $this->get( 'image_replacer' );
612	$service_data = $this->get( 'service_data' );
613	if ( empty( $service_data ) ) {
614	return false;
615	}
616	if ( isset( $service_data['status'] ) && $service_data['status'] === 'inactive' ) {
617	return false;
618	}
619
620	return $this->to_boolean( $status );
621	}
622
623	/**
624	* Check if lazyload is enabled.
625	*
626	* @return bool Lazyload enabled
627	*/
628	public function use_lazyload() {
629	$status = $this->get( 'lazyload' );
630
631	return $this->to_boolean( $status );
632	}
633
634	/**
635	* Check if replacer is enabled.
636	*
637	* @return bool Replacer enabled
638	*/
639	public function use_cdn() {
640	$status = $this->get( 'cdn' );
641
642	return $this->to_boolean( $status );
643	}
644
645	/**
646	* Return cdn url.
647	*
648	* @return string CDN url.
649	*/
650	public function get_cdn_url() {
651	$service_data = $this->get( 'service_data' );
652	if ( ! isset( $service_data['cdn_key'] ) ) {
653	return '';
654	}
655
656	if ( isset( $service_data['is_cname_assigned'] ) && $service_data['is_cname_assigned'] === 'yes' && ! empty( $service_data['domain'] ) ) {
657	return strtolower( $service_data['domain'] );
658	}
659
660	if ( defined( 'OPTML_CUSTOM_DOMAIN' ) && constant( 'OPTML_CUSTOM_DOMAIN' ) ) {
661	return parse_url( strtolower( OPTML_CUSTOM_DOMAIN ), PHP_URL_HOST );
662	}
663
664	return sprintf(
665	'%s.%s',
666	strtolower( $service_data['cdn_key'] ),
667	Optml_Config::$base_domain
668	);
669	}
670
671	/**
672	* Reset options to defaults.
673	*
674	* @return bool Reset action status.
675	*/
676	public function reset() {
677	$reset_schema = $this->default_schema;
678	$reset_schema['filters'] = $this->options['filters'];
679
680	$update = update_option( $this->namespace, $reset_schema );
681	if ( $update ) {
682	$this->options = $reset_schema;
683	}
684
685	return $update;
686	}
687	/**
688	* Get raw settings value.
689	*
690	* @return array
691	*/
692	public function get_raw_settings() {
693	return get_option( $this->namespace, false );
694	}
695
696	/**
697	* Get settings for CSAT.
698	*
699	* @return void
700	*/
701	public function register_settings() {
702	register_setting(
703	'optml_settings',
704	'optml_csat',
705	[
706	'type' => 'string',
707	'sanitize_callback' => 'sanitize_text_field',
708	'show_in_rest' => true,
709	'default' => '{}',
710	]
711	);
712	}
713
714	/**
715	* Clear cache.
716	*
717	* @param string $type Cache type.
718	*
719	* @return string\|WP_Error
720	*/
721	public function clear_cache( $type = '' ) {
722	$token = $this->get( 'cache_buster' );
723	$token_images = $this->get( 'cache_buster_images' );
724
725	if ( ! empty( $token_images ) ) {
726	$token = $token_images;
727	}
728
729	if ( ! empty( $type ) && $type === 'assets' ) {
730	$token = $this->get( 'cache_buster_assets' );
731	}
732
733	$request = new Optml_Api();
734	$data = $request->get_cache_token( $token, $type );
735
736	if ( $data === false \|\| is_wp_error( $data ) \|\| empty( $data ) \|\| ! isset( $data['token'] ) ) {
737	$extra = '';
738
739	if ( is_wp_error( $data ) ) {
740	/**
741	* Error from api.
742	*
743	* @var WP_Error $data Error object.
744	*/
745	$extra = sprintf( __( '. ERROR details: %s', 'optimole-wp' ), $data->get_error_message() );
746	}
747
748	return new WP_Error( 'optimole_cache_buster_error', __( 'Can not get new token from Optimole service', 'optimole-wp' ) . $extra );
749	}
750
751	if ( ! empty( $type ) && $type === 'assets' ) {
752	set_transient( 'optml_cache_lock_assets', 'yes', 5 * MINUTE_IN_SECONDS );
753	$this->update( 'cache_buster_assets', $data['token'] );
754	} else {
755	set_transient( 'optml_cache_lock', 'yes', 5 * MINUTE_IN_SECONDS );
756	$this->update( 'cache_buster_images', $data['token'] );
757	}
758
759	return $data['token'];
760	}
761	}
762