automatic-youtube-gallery / includes / functions.php

functions.php in Automatic YouTube Gallery – Embed Auto-Updating YouTube Video Galleries, Feeds, Playlists & Channels 2.7.1, at includes/functions.php

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1	<?php
2
3	/**
4	* Helper Functions.
5	*
6	* @link https://plugins360.com
7	* @since 1.0.0
8	*
9	* @package Automatic_YouTube_Gallery
10	*/
11
12	// Exit if accessed directly
13	if ( ! defined( 'WPINC' ) ) {
14	die;
15	}
16
17	/**
18	* Build gallery HTML output.
19	*
20	* @since 1.0.0
21	* @param array $args An array of gallery options.
22	* @return mixed
23	*/
24	function ayg_build_gallery( $args ) {
25	$general_settings = ayg_get_option( 'ayg_general_settings' );
26	$strings_settings = ayg_get_option( 'ayg_strings_settings' );
27
28	global $post;
29
30	// Vars
31	$fields = ayg_get_editor_fields();
32	$excluded_fields = array( 'popup' ); // Fields not part of attributes
33	$defaults = array();
34
35	foreach ( $fields as $key => $value ) {
36	foreach ( $value['fields'] as $field ) {
37	if ( in_array( $field['name'], $excluded_fields ) ) {
38	continue;
39	}
40
41	$defaults[ $field['name'] ] = $field['value'];
42	}
43	}
44
45	$defaults = array_merge( $defaults, (array) $strings_settings );
46	$attributes = shortcode_atts( $defaults, $args, 'automatic_youtube_gallery' );
47
48	$attributes['post_id'] = 0;
49	if ( isset( $post->ID ) ) {
50	$attributes['post_id'] = (int) $post->ID;
51	}
52
53	$attributes['columns'] = min( 12, (int) $attributes['columns'] );
54	if ( empty( $attributes['columns'] ) ) {
55	$attributes['columns'] = 3;
56	}
57
58	$attributes['limit'] = min( 500, (int) $attributes['limit'] );
59	if ( empty( $attributes['limit'] ) ) {
60	$attributes['limit'] = 500;
61	}
62
63	$attributes['per_page'] = min( 50, (int) $attributes['per_page'] );
64	if ( empty( $attributes['per_page'] ) ) {
65	$attributes['per_page'] = 50;
66	}
67
68	$source_type = sanitize_text_field( $attributes['type'] );
69	if ( 'livestream' == $source_type ) {
70	$attributes['livestream'] = $attributes['channel'];
71	}
72
73	$attributes['lazyload'] = 0;
74	if ( ! empty( $general_settings['lazyload'] ) ) {
75	$attributes['lazyload'] = 1;
76	}
77
78	$source_url = sanitize_text_field( $attributes[ $source_type ] );
79
80	if ( isset( $args['uid'] ) && ! empty( $args['uid'] ) ) {
81	$attributes['uid'] = sanitize_text_field( $args['uid'] );
82	} else {
83	$attributes['uid'] = md5( $source_type . $source_url );
84	}
85
86	$attributes['uid'] = apply_filters( 'ayg_gallery_id', $attributes['uid'], $args );
87
88	// Deprecated since v2.5.8. Retained for backward compatibility.
89	$deprecated_uid = md5( $source_type . $source_url . sanitize_text_field( $attributes['theme'] ) ); // Deprecated
90	if ( isset( $args['deprecated_uid'] ) && ! empty( $args['deprecated_uid'] ) ) {
91	$deprecated_uid = sanitize_text_field( $args['deprecated_uid'] );
92	}
93
94	// Get Videos
95	$api_params = array(
96	'uid' => $attributes['uid'],
97	'type' => $source_type,
98	'src' => $source_url,
99	'order' => sanitize_text_field( $attributes['order'] ), // Works only when type = "search".
100	'limit' => $attributes['limit'], // Works only when type = "search".
101	'maxResults' => $attributes['per_page'],
102	'cache' => (int) $attributes['cache']
103	);
104
105	$api_params = apply_filters( 'ayg_youtube_api_request_params', $api_params, $args );
106
107	$youtube_api = new AYG_YouTube_API();
108	$response = $youtube_api->query( $api_params );
109
110	// Process output
111	if ( ! isset( $response->error ) ) {
112	// Store Gallery ID
113	if ( $attributes['post_id'] > 0 && isset( $attributes['deeplinking'] ) && 1 == $attributes['deeplinking'] ) {
114	$pages = ayg_get_option( 'ayg_gallery_page_ids' );
115	$page_id = $attributes['post_id'];
116
117	if ( ! in_array( $page_id, $pages ) ) {
118	$pages[] = $page_id;
119	update_option( 'ayg_gallery_page_ids', $pages );
120	}
121	}
122
123	// Gallery
124	$videos = array();
125
126	$gallery_id_from_url = get_query_var( 'ayg_gallery_id' );
127	$video_id_from_url = get_query_var( 'ayg_video_id' );
128
129	if ( $attributes['uid'] == $gallery_id_from_url \|\| $deprecated_uid == $gallery_id_from_url ) {
130	$video = ayg_db_get_video( $video_id_from_url );
131
132	if ( $video ) {
133	$videos[] = $video;
134	} else {
135	$video_id_from_url = '';
136	}
137	}
138
139	if ( isset( $response->videos ) ) {
140	if ( ! empty( $video_id_from_url ) ) {
141	foreach ( $response->videos as $video ) {
142	if ( $video->id != $video_id_from_url ) {
143	$videos[] = $video;
144	}
145	}
146	} else {
147	$videos = $response->videos;
148	}
149	}
150
151	// Pagination
152	if ( isset( $response->page_info ) ) {
153	$attributes = array_merge( $attributes, $api_params, $response->page_info );
154	}
155
156	// Theme
157	$theme = 'classic';
158
159	if ( 'video' == $source_type ) {
160	$theme = 'single';
161	} elseif ( 'livestream' == $source_type ) {
162	$theme = 'livestream';
163	} else {
164	if ( 1 == count( $videos ) ) {
165	$theme = 'single';
166	}
167	}
168
169	// Enqueue dependencies
170	wp_enqueue_style( AYG_SLUG . '-public' );
171
172	wp_enqueue_script( AYG_SLUG . '-public' );
173	if ( $attributes['theme'] == $theme && 'classic' == $attributes['theme'] ) {
174	wp_enqueue_script( AYG_SLUG . '-theme-classic' );
175	}
176
177	// Output
178	ob_start();
179	include ayg_get_template( AYG_DIR . "public/templates/theme-{$theme}.php", $attributes['theme'] );
180	return ob_get_clean();
181	} else {
182	return sprintf( '<div class="ayg ayg-error">%s</div>', wp_kses_post( $response->error_message ) );
183	}
184	}
185
186	/**
187	* Combine video attributes as a string.
188	*
189	* @since 2.5.0
190	* @param array $atts Array of video attributes.
191	* @param string Combined attributes string.
192	*/
193	function ayg_combine_video_attributes( $atts ) {
194	$attributes = array();
195
196	foreach ( $atts as $key => $value ) {
197	if ( '' === $value ) {
198	$attributes[] = $key;
199	} else {
200	$attributes[] = sprintf( '%s="%s"', $key, $value );
201	}
202	}
203
204	return implode( ' ', $attributes );
205	}
206
207	/**
208	* Create custom database tables
209	*
210	* @since 2.1.0
211	*/
212	function ayg_db_create_custom_tables() {
213	global $wpdb;
214
215	require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
216	$charset_collate = $wpdb->get_charset_collate();
217
218	$videos_table = $wpdb->prefix . 'ayg_videos';
219
220	// Check if the videos table exists
221	$query = $wpdb->prepare( 'SHOW TABLES LIKE %s', $wpdb->esc_like( $videos_table ) );
222
223	if ( $wpdb->get_var( $query ) === $videos_table ) {
224	// Find and remove duplicate video IDs
225	$wpdb->query(
226	"DELETE v1 FROM $videos_table v1
227	INNER JOIN $videos_table v2
228	ON v1.id = v2.id AND v1.NUM > v2.NUM"
229	);
230	}
231
232	// Create the videos table
233	$sql = "CREATE TABLE $videos_table (
234	NUM bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
235	id varchar(100) NOT NULL,
236	title text NOT NULL,
237	description text NOT NULL,
238	thumbnails text NOT NULL,
239	duration varchar(25) NOT NULL,
240	status varchar(100) NOT NULL,
241	published_at varchar(100) NOT NULL,
242	published_at_datetime datetime NULL,
243	PRIMARY KEY (NUM),
244	UNIQUE KEY ayg_unique_video_id (id)
245	) $charset_collate;";
246
247	dbDelta( $sql );
248
249	// Add UNIQUE KEY if it is not added
250	$existing_keys = $wpdb->get_results( "SHOW KEYS FROM $videos_table WHERE Key_name = 'ayg_unique_video_id'" );
251
252	if ( empty( $existing_keys ) ) {
253	$wpdb->query( "ALTER TABLE $videos_table ADD UNIQUE KEY ayg_unique_video_id (id)" );
254	}
255
256	// Create the galleries table
257	$galleries_table = $wpdb->prefix . 'ayg_galleries';
258
259	$sql = "CREATE TABLE $galleries_table (
260	NUM bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT,
261	video_id varchar(100) NOT NULL,
262	gallery_id varchar(100) NOT NULL,
263	PRIMARY KEY (NUM),
264	UNIQUE KEY ayg_unique_video_gallery (video_id, gallery_id),
265	INDEX ayg_idx_gallery_id (gallery_id)
266	) $charset_collate;";
267
268	dbDelta( $sql );
269	}
270
271	/**
272	* Store videos in our custom database table "{$wpdb->prefix}ayg_videos"
273	*
274	* @since 2.1.0
275	* @param object $data YouTube API response object.
276	* @param array $attributes Array of user attributes.
277	*/
278	function ayg_db_store_videos( $data, $attributes = array() ) {
279	if ( AYG_VERSION !== get_option( 'ayg_version' ) ) {
280	return false;
281	}
282
283	if ( isset( $data->kind ) && 'youtube#channelListResponse' == $data->kind ) {
284	return false;
285	}
286
287	if ( empty( $data->items ) \|\| ! is_array( $data->items ) ) {
288	return false;
289	}
290
291	global $wpdb;
292
293	$items = $data->items;
294
295	// Store Videos
296	foreach ( $items as $item ) {
297	$row = array();
298
299	// Video ID
300	$row['id'] = '';
301
302	if ( isset( $item->snippet->resourceId ) && isset( $item->snippet->resourceId->videoId ) ) {
303	$row['id'] = $item->snippet->resourceId->videoId;
304	} elseif ( isset( $item->contentDetails ) && isset( $item->contentDetails->videoId ) ) {
305	$row['id'] = $item->contentDetails->videoId;
306	} elseif ( isset( $item->id ) && isset( $item->id->videoId ) ) {
307	$row['id'] = $item->id->videoId;
308	} elseif ( isset( $item->id ) ) {
309	$row['id'] = $item->id;
310	}
311
312	if ( empty( $row['id'] ) ) {
313	continue;
314	}
315
316	// Video title
317	$row['title'] = $item->snippet->title;
318
319	// Video description
320	$row['description'] = $item->snippet->description;
321
322	// Video thumbnails
323	$row['thumbnails'] = '';
324	if ( isset( $item->snippet->thumbnails ) ) {
325	$row['thumbnails'] = serialize( $item->snippet->thumbnails );
326	}
327
328	// Video duration
329	$row['duration'] = '';
330	if ( isset( $item->contentDetails ) && isset( $item->contentDetails->duration ) ) {
331	$row['duration'] = $item->contentDetails->duration;
332	}
333
334	// Video status
335	$row['status'] = 'private';
336
337	if ( isset( $item->status ) && ( 'public' == $item->status->privacyStatus \|\| 'unlisted' == $item->status->privacyStatus ) ) {
338	$row['status'] = 'public';
339	}
340
341	if ( isset( $item->snippet->status ) && ( 'public' == $item->snippet->status->privacyStatus \|\| 'unlisted' == $item->snippet->status->privacyStatus ) ) {
342	$row['status'] = 'public';
343	}
344
345	if ( 'youtube#searchResult' == $item->kind ) {
346	$row['status'] = 'public';
347	}
348
349	// Video publish date
350	$row['published_at'] = $item->snippet->publishedAt;
351
352	$datetime = new DateTime( $item->snippet->publishedAt );
353	$row['published_at_datetime'] = date_format( $datetime, 'Y-m-d H:i:s' );
354
355	// Store the video
356	$videos_table = $wpdb->prefix . 'ayg_videos';
357
358	$query = $wpdb->prepare(
359	"INSERT INTO $videos_table (id, title, description, thumbnails, duration, status, published_at, published_at_datetime)
360	VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
361	ON DUPLICATE KEY UPDATE
362	title = VALUES(title),
363	description = VALUES(description),
364	thumbnails = VALUES(thumbnails),
365	duration = VALUES(duration),
366	status = VALUES(status),
367	published_at = VALUES(published_at),
368	published_at_datetime = VALUES(published_at_datetime)",
369	$row['id'],
370	$row['title'],
371	$row['description'],
372	$row['thumbnails'],
373	$row['duration'],
374	$row['status'],
375	$row['published_at'],
376	$row['published_at_datetime']
377	);
378
379	$wpdb->query( $query );
380
381	// Store the gallery association
382	$gallery_id = isset( $attributes['uid'] ) ? $attributes['uid'] : '';
383	$source_type = isset( $attributes['type'] ) ? $attributes['type'] : 'videos';
384
385	if ( ! empty( $gallery_id ) && ! in_array( $source_type, array( 'video', 'livestream' ) ) ) {
386	$galleries_table = $wpdb->prefix . 'ayg_galleries';
387
388	$query = $wpdb->prepare(
389	"INSERT IGNORE INTO $galleries_table (video_id, gallery_id) VALUES (%s, %s)",
390	$row['id'],
391	$gallery_id
392	);
393
394	$wpdb->query( $query );
395	}
396	}
397	}
398
399	/**
400	* Get a single video record from our custom database table "{$wpdb->prefix}ayg_videos"
401	*
402	* @since 2.1.0
403	* @param string $video_id YouTube Video ID.
404	* @return mixed
405	*/
406	function ayg_db_get_video( $video_id ) {
407	global $wpdb;
408
409	$cache_key = 'ayg_'. $video_id;
410	$row = wp_cache_get( $cache_key );
411
412	if ( false === $row ) {
413	$query = $wpdb->prepare( "SELECT * FROM {$wpdb->prefix}ayg_videos WHERE id = %s", $video_id );
414	$row = $wpdb->get_row( $query );
415
416	if ( $row ) {
417	if ( ! empty( $row->thumbnails ) ) {
418	$row->thumbnails = unserialize( $row->thumbnails );
419	}
420
421	wp_cache_set( $cache_key, $row );
422	}
423	}
424
425	return $row;
426	}
427
428	/**
429	* Dump our plugin transients.
430	*
431	* @since 2.1.0
432	*/
433	function ayg_delete_cache() {
434	delete_option( 'ayg_gallery_page_ids' );
435
436	// Get the current list of transients
437	$transient_keys = ayg_get_option( 'ayg_transient_keys' );
438
439	// For each key, delete that transient
440	foreach ( $transient_keys as $key ) {
441	delete_transient( $key );
442	}
443
444	// Reset our DB value
445	update_option( 'ayg_transient_keys', array() );
446	}
447
448	/**
449	* Get current address bar URL.
450	*
451	* @since 2.1.0
452	* @return string Current Page URL.
453	*/
454	function ayg_get_current_url() {
455	global $wp;
456	$current_url = home_url( add_query_arg( array(), $wp->request ) );
457
458	return $current_url;
459	}
460
461	/**
462	* Get default plugin settings.
463	*
464	* @since 1.6.4
465	* @return array $defaults Array of plugin settings.
466	*/
467	function ayg_get_default_settings() {
468	$defaults = array(
469	'ayg_general_settings' => array(
470	'force_load_assets' => array(
471	'css' => 'css'
472	),
473	'api_key' => '',
474	'lazyload' => 0,
475	'development_mode' => 0
476	),
477	'ayg_strings_settings' => array(
478	'more_button_label' => __( 'Load More', 'automatic-youtube-gallery' ),
479	'previous_button_label' => __( 'Previous', 'automatic-youtube-gallery' ),
480	'next_button_label' => __( 'Next', 'automatic-youtube-gallery' ),
481	'show_more_label' => __( 'Show More', 'automatic-youtube-gallery' ),
482	'show_less_label' => __( 'Show Less', 'automatic-youtube-gallery' )
483	),
484	'ayg_gallery_settings' => array(
485	'theme' => 'classic',
486	'columns' => 3,
487	'per_page' => 12,
488	'thumb_ratio' => 56.25,
489	'thumb_title' => 1,
490	'thumb_title_length' => 0,
491	'thumb_excerpt' => 1,
492	'thumb_excerpt_length' => 75,
493	'pagination' => 1,
494	'pagination_type' => 'more',
495	'scroll_top_offset' => 10
496	),
497	'ayg_player_settings' => array(
498	'player_type' => 'youtube',
499	'player_color' => '#00b3ff',
500	'player_width' => '',
501	'player_ratio' => 56.25,
502	'player_title' => 1,
503	'player_description' => 1,
504	'autoplay' => 0,
505	'autoadvance' => 1,
506	'loop' => 0,
507	'muted' => 0,
508	'controls' => 1,
509	'modestbranding' => 1,
510	'cc_load_policy' => 0,
511	'iv_load_policy' => 0,
512	'hl' => '',
513	'cc_lang_pref' => '',
514	'privacy_enhanced_mode' => 0,
515	'origin' => 0
516	),
517	'ayg_livestream_settings' => array(
518	'fallback_message' => __( 'Sorry, but the channel is not currently streaming live content. Please check back later.', 'automatic-youtube-gallery' )
519	),
520	'ayg_privacy_settings' => array(
521	'cookie_consent' => 0,
522	'consent_message' => __( 'Please accept YouTube cookies to play this video. By accepting you will be accessing content from YouTube, a service provided by an external third party.', 'automatic-youtube-gallery' ),
523	'button_label' => __( 'Accept', 'automatic-youtube-gallery' )
524	)
525	);
526
527	return $defaults;
528	}
529
530	/**
531	* Get editor fields.
532	*
533	* @since 1.0.0
534	* @return array Array of fields.
535	*/
536	function ayg_get_editor_fields() {
537	$fields = array(
538	'source' => array(
539	'label' => __( 'General', 'automatic-youtube-gallery' ),
540	'fields' => array(
541	array(
542	'name' => 'type',
543	'label' => __( 'Source Type', 'automatic-youtube-gallery' ),
544	'description' => '',
545	'type' => 'select',
546	'options' => array(
547	'playlist' => __( 'Playlist', 'automatic-youtube-gallery' ),
548	'channel' => __( 'Channel', 'automatic-youtube-gallery' ),
549	'username' => __( 'Username', 'automatic-youtube-gallery' ),
550	'search' => __( 'Search Keywords', 'automatic-youtube-gallery' ),
551	'video' => __( 'Single Video', 'automatic-youtube-gallery' ),
552	'livestream' => __( 'Livestream', 'automatic-youtube-gallery' ),
553	'videos' => __( 'Custom Videos List', 'automatic-youtube-gallery' )
554	),
555	'value' => 'playlist',
556	'sanitize_callback' => 'sanitize_key'
557	),
558	array(
559	'name' => 'playlist',
560	'label' => __( 'YouTube Playlist ID (or) URL', 'automatic-youtube-gallery' ),
561	'description' => sprintf( '%s: https://www.youtube.com/playlist?list=XXXXXXXXXX', __( 'Example', 'automatic-youtube-gallery' ) ),
562	'type' => 'url',
563	'value' => '',
564	'sanitize_callback' => 'sanitize_text_field'
565	),
566	array(
567	'name' => 'channel',
568	'label' => __( 'YouTube Channel ID (or) a YouTube Video URL from the Channel', 'automatic-youtube-gallery' ),
569	'description' => sprintf( '%s: https://www.youtube.com/channel/XXXXXXXXXX', __( 'Example', 'automatic-youtube-gallery' ) ),
570	'type' => 'url',
571	'value' => '',
572	'sanitize_callback' => 'sanitize_text_field'
573	),
574	array(
575	'name' => 'username',
576	'label' => __( 'YouTube Account Username', 'automatic-youtube-gallery' ),
577	'description' => sprintf( '%s: SanRosh', __( 'Example', 'automatic-youtube-gallery' ) ),
578	'type' => 'text',
579	'value' => '',
580	'sanitize_callback' => 'sanitize_text_field'
581	),
582	array(
583	'name' => 'search',
584	'label' => __( 'Search Keywords', 'automatic-youtube-gallery' ),
585	'description' => sprintf( '%s: Cartoon (space:AND , -:NOT , \|:OR)', __( 'Example', 'automatic-youtube-gallery' ) ),
586	'type' => 'text',
587	'value' => '',
588	'sanitize_callback' => 'sanitize_text_field'
589	),
590	array(
591	'name' => 'video',
592	'label' => __( 'YouTube Video ID (or) URL', 'automatic-youtube-gallery' ),
593	'description' => sprintf( '%s: https://www.youtube.com/watch?v=XXXXXXXXXX', __( 'Example', 'automatic-youtube-gallery' ) ),
594	'type' => 'url',
595	'value' => '',
596	'sanitize_callback' => 'sanitize_text_field'
597	),
598	array(
599	'name' => 'videos',
600	'label' => __( 'YouTube Video IDs (or) URLs', 'automatic-youtube-gallery' ),
601	'description' => sprintf( '%s: https://www.youtube.com/watch?v=XXXXXXXXXX', __( 'Example', 'automatic-youtube-gallery' ) ),
602	'type' => 'textarea',
603	'placeholder' => __( 'Enter one video per line', 'automatic-youtube-gallery' ),
604	'value' => '',
605	'sanitize_callback' => 'sanitize_text_field'
606	),
607	array(
608	'name' => 'order',
609	'label' => __( 'Order Videos by', 'automatic-youtube-gallery' ),
610	'description' => '',
611	'type' => 'select',
612	'options' => array(
613	'date' => __( 'Date', 'automatic-youtube-gallery' ),
614	'rating' => __( 'Rating', 'automatic-youtube-gallery' ),
615	'relevance' => __( 'Relevance', 'automatic-youtube-gallery' ),
616	'title' => __( 'Title', 'automatic-youtube-gallery' ),
617	'viewCount' => __( 'View Count', 'automatic-youtube-gallery' )
618	),
619	'value' => 'relevance',
620	'sanitize_callback' => 'sanitize_key'
621	),
622	array(
623	'name' => 'limit',
624	'label' => __( 'Number of Videos', 'automatic-youtube-gallery' ),
625	'description' => __( 'Specifies the maximum number of videos that will appear in this gallery. Set to 0 for the maximum amount (500).', 'automatic-youtube-gallery' ),
626	'type' => 'number',
627	'min' => 0,
628	'max' => 500,
629	'value' => 0,
630	'sanitize_callback' => 'intval'
631	),
632	array(
633	'name' => 'cache',
634	'label' => __( 'Cache Duration', 'automatic-youtube-gallery' ),
635	'description' => __( 'Specifies how frequently we should check your YouTube source for new videos/updates.', 'automatic-youtube-gallery' ),
636	'type' => 'select',
637	'options' => array(
638	'0' => '— '. __( 'No Caching', 'automatic-youtube-gallery' ) . ' —',
639	'900' => __( '15 Minutes', 'automatic-youtube-gallery' ),
640	'1800' => __( '30 Minutes', 'automatic-youtube-gallery' ),
641	'3600' => __( '1 Hour', 'automatic-youtube-gallery' ),
642	'86400' => __( '1 Day', 'automatic-youtube-gallery' ),
643	'604800' => __( '1 Week', 'automatic-youtube-gallery' ),
644	'2419200' => __( '1 Month', 'automatic-youtube-gallery' )
645	),
646	'value' => 86400,
647	'sanitize_callback' => 'intval'
648	)
649	)
650	),
651	'gallery' => array(
652	'label' => __( 'Gallery (optional)', 'automatic-youtube-gallery' ),
653	'fields' => ayg_get_gallery_settings_fields()
654	),
655	'player' => array(
656	'label' => __( 'Player (optional)', 'automatic-youtube-gallery' ),
657	'fields' => ayg_get_player_settings_fields()
658	),
659	'search' => array(
660	'label' => __( 'Search Form (optional)', 'automatic-youtube-gallery' ),
661	'fields' => array(
662	array(
663	'name' => 'search_form',
664	'label' => __( 'Search Form', 'automatic-youtube-gallery' ),
665	'description' => sprintf(
666	__( 'Check this option to enable the search form. Having issues? <a href="%s" target="_blank" rel="noopener noreferrer">Check here</a>.', 'automatic-youtube-gallery' ),
667	'https://plugins360.com/automatic-youtube-gallery/searchform/'
668	),
669	'type' => 'checkbox',
670	'value' => 0,
671	'sanitize_callback' => 'intval'
672	)
673	)
674	)
675	);
676
677	return apply_filters( 'ayg_editor_fields', $fields );
678	}
679
680	/**
681	* Get gallery settings fields.
682	*
683	* @since 1.0.0
684	* @return array $fields Array of fields.
685	*/
686	function ayg_get_gallery_settings_fields() {
687	$gallery_settings = ayg_get_option( 'ayg_gallery_settings' );
688
689	$fields = array(
690	array(
691	'name' => 'theme',
692	'label' => __( 'Select Theme (Layout)', 'automatic-youtube-gallery' ),
693	'description' => ( ayg_fs()->is_not_paying() ? sprintf( __( '<a href="%s">Upgrade Pro</a> for more themes (Popup, Inline, Slider, Playlist).', 'automatic-youtube-gallery' ), esc_url( ayg_fs()->get_upgrade_url() ) ) : '' ),
694	'type' => 'select',
695	'options' => array(
696	'classic' => __( 'Classic', 'automatic-youtube-gallery' )
697	),
698	'value' => $gallery_settings['theme'],
699	'sanitize_callback' => 'sanitize_key'
700	),
701	array(
702	'name' => 'columns',
703	'label' => __( 'Columns', 'automatic-youtube-gallery' ),
704	'description' => __( 'Enter the number of columns you like to have in the gallery. Maximum of 12.', 'automatic-youtube-gallery' ),
705	'type' => 'number',
706	'min' => 0,
707	'max' => 12,
708	'value' => $gallery_settings['columns'],
709	'sanitize_callback' => 'intval'
710	),
711	array(
712	'name' => 'per_page',
713	'label' => __( 'Videos per Page', 'automatic-youtube-gallery' ),
714	'description' => __( 'Enter the number of videos to show per page. Maximum of 50.', 'automatic-youtube-gallery' ),
715	'type' => 'number',
716	'min' => 0,
717	'max' => 50,
718	'value' => $gallery_settings['per_page'],
719	'sanitize_callback' => 'intval'
720	),
721	array(
722	'name' => 'thumb_ratio',
723	'label' => __( 'Image Height (Ratio)', 'automatic-youtube-gallery' ),
724	'description' => __( 'Select the ratio value used to calculate the image height in the gallery thumbnails.', 'automatic-youtube-gallery' ),
725	'type' => 'select',
726	'options' => array(
727	'56.25' => __( 'Standard (16:9) — Default', 'automatic-youtube-gallery' ),
728	'177.78' => __( 'Shorts / Vertical (9:16)', 'automatic-youtube-gallery' ),
729	'75' => __( 'Classic (4:3)', 'automatic-youtube-gallery' )
730	),
731	'value' => $gallery_settings['thumb_ratio'],
732	'sanitize_callback' => 'floatval'
733	),
734	array(
735	'name' => 'thumb_title',
736	'label' => __( 'Show Video Title', 'automatic-youtube-gallery' ),
737	'description' => __( 'Check this option to show the video title in each gallery item.', 'automatic-youtube-gallery' ),
738	'type' => 'checkbox',
739	'value' => $gallery_settings['thumb_title'],
740	'sanitize_callback' => 'intval'
741	),
742	array(
743	'name' => 'thumb_title_length',
744	'label' => __( 'Video Title Length', 'automatic-youtube-gallery' ),
745	'description' => __( 'Enter the number of characters you like to show in the title. Set 0 to show the whole title.', 'automatic-youtube-gallery' ),
746	'type' => 'number',
747	'min' => 0,
748	'max' => 500,
749	'value' => $gallery_settings['thumb_title_length'],
750	'sanitize_callback' => 'intval'
751	),
752	array(
753	'name' => 'thumb_excerpt',
754	'label' => __( 'Show Video Excerpt (Short Description)', 'automatic-youtube-gallery' ),
755	'description' => __( 'Check this option to show the short description of a video in each gallery item.', 'automatic-youtube-gallery' ),
756	'type' => 'checkbox',
757	'value' => $gallery_settings['thumb_excerpt'],
758	'sanitize_callback' => 'intval'
759	),
760	array(
761	'name' => 'thumb_excerpt_length',
762	'label' => __( 'Video Excerpt Length', 'automatic-youtube-gallery' ),
763	'description' => __( 'Enter the number of characters you like to have in the video excerpt. Set 0 to show the whole description.', 'automatic-youtube-gallery' ),
764	'type' => 'number',
765	'min' => 0,
766	'max' => 500,
767	'value' => $gallery_settings['thumb_excerpt_length'],
768	'sanitize_callback' => 'intval'
769	),
770	array(
771	'name' => 'pagination',
772	'label' => __( 'Pagination', 'automatic-youtube-gallery' ),
773	'description' => __( 'Check this option to show the pagination.', 'automatic-youtube-gallery' ),
774	'type' => 'checkbox',
775	'value' => $gallery_settings['pagination'],
776	'sanitize_callback' => 'intval'
777	),
778	array(
779	'name' => 'pagination_type',
780	'label' => __( 'Pagination Type', 'automatic-youtube-gallery' ),
781	'type' => 'select',
782	'options' => array(
783	'more' => __( 'More Button', 'automatic-youtube-gallery' ),
784	'pager' => __( 'Pager', 'automatic-youtube-gallery' )
785
786	),
787	'value' => $gallery_settings['pagination_type'],
788	'sanitize_callback' => 'sanitize_key'
789	)
790	);
791
792	return apply_filters( 'ayg_gallery_settings_fields', $fields );
793	}
794
795	/**
796	* Retrieve a plugin option with fallback to default settings.
797	*
798	* @since 2.7.0
799	* @param string $option The option name to retrieve.
800	* @return mixed
801	*/
802	function ayg_get_option( $option ) {
803	$defaults = ayg_get_default_settings();
804	$default = isset( $defaults[ $option ] ) ? $defaults[ $option ] : array();
805
806	$saved = get_option( $option, null );
807
808	// Option does not exist OR corrupted
809	if ( null === $saved \|\| ! is_array( $saved ) ) {
810	return $default;
811	}
812
813	// Merge saved values with defaults
814	return wp_parse_args( $saved, $default );
815	}
816
817	/**
818	* Get video description to show on top of the player.
819	*
820	* @since 1.0.0
821	* @param stdClass $video YouTube video object.
822	* @param array $attributes Array of user attributes.
823	* @param int $words_count Number of words to show by default.
824	* @return string Video description.
825	*/
826	function ayg_get_player_description( $video, $attributes = array(), $words_count = 30 ) {
827	$description = $video->description;
828
829	$words_array = explode( ' ', strip_tags( $description ) );
830	if ( count( $words_array ) > $words_count ) {
831	$show_more_label = ! empty( $attributes['show_more_label'] ) ? $attributes['show_more_label'] : __( 'Show More', 'automatic-youtube-gallery' );
832	$words_array[ $words_count ] = '<span class="ayg-player-description-dots">...</span></span><span class="ayg-player-description-more">' . $words_array[ $words_count ];
833
834	$description = '<span class="ayg-player-description-less">' . implode( ' ', $words_array ) . '</span>';
835	$description .= '<a href="#" class="ayg-player-description-toggle-btn">' . esc_html( $show_more_label ) . '</a>';
836	}
837
838	$description = nl2br( $description );
839	$description = make_clickable( $description );
840
841	return apply_filters( 'ayg_player_description', $description, $video, $attributes, $words_count );
842	}
843
844	/**
845	* Get player settings fields.
846	*
847	* @since 1.0.0
848	* @return array $fields Array of fields.
849	*/
850	function ayg_get_player_settings_fields() {
851	$player_settings = ayg_get_option( 'ayg_player_settings' );
852
853	$fields = array(
854	array(
855	'name' => 'player_width',
856	'label' => __( 'Player Width', 'automatic-youtube-gallery' ),
857	'description' => __( 'In pixels. Maximum width of the player. Leave this field empty to scale 100% of its enclosing container/html element.', 'automatic-youtube-gallery' ),
858	'type' => 'text',
859	'value' => isset( $player_settings['player_width'] ) ? $player_settings['player_width'] : '',
860	'sanitize_callback' => 'ayg_sanitize_int'
861	),
862	array(
863	'name' => 'player_ratio',
864	'label' => __( 'Player Height (Ratio)', 'automatic-youtube-gallery' ),
865	'description' => __( 'Select the ratio value used to calculate the player height.', 'automatic-youtube-gallery' ),
866	'type' => 'select',
867	'options' => array(
868	'56.25' => __( 'Standard (16:9) — Default', 'automatic-youtube-gallery' ),
869	'177.78' => __( 'Shorts / Vertical (9:16)', 'automatic-youtube-gallery' ),
870	'75' => __( 'Classic (4:3)', 'automatic-youtube-gallery' )
871	),
872	'value' => $player_settings['player_ratio'],
873	'sanitize_callback' => 'floatval'
874	),
875	array(
876	'name' => 'player_title',
877	'label' => __( 'Show Video Title', 'automatic-youtube-gallery' ),
878	'description' => __( 'Check this option to show the current playing video title on the bottom of the player.', 'automatic-youtube-gallery' ),
879	'type' => 'checkbox',
880	'value' => $player_settings['player_title'],
881	'sanitize_callback' => 'intval'
882	),
883	array(
884	'name' => 'player_description',
885	'label' => __( 'Show Video Description', 'automatic-youtube-gallery' ),
886	'description' => __( 'Check this option to show the current playing video description on the bottom of the player.', 'automatic-youtube-gallery' ),
887	'type' => 'checkbox',
888	'value' => $player_settings['player_description'],
889	'sanitize_callback' => 'intval'
890	),
891	array(
892	'name' => 'autoplay',
893	'label' => __( 'Autoplay', 'automatic-youtube-gallery' ),
894	'description' => __( 'Specifies whether the initial video will automatically start to play when the player loads.', 'automatic-youtube-gallery' ),
895	'type' => 'checkbox',
896	'value' => $player_settings['autoplay'],
897	'sanitize_callback' => 'intval'
898	),
899	array(
900	'name' => 'autoadvance',
901	'label' => __( 'Autoplay Next Video', 'automatic-youtube-gallery' ),
902	'description' => __( 'Specifies whether to play the next video in the list automatically after previous one end.', 'automatic-youtube-gallery' ),
903	'type' => 'checkbox',
904	'value' => $player_settings['autoadvance'],
905	'sanitize_callback' => 'intval'
906	),
907	array(
908	'name' => 'loop',
909	'label' => __( 'Loop', 'automatic-youtube-gallery' ),
910	'description' => __( 'In the case of a single video player, plays the initial video again and again. In the case of a gallery, plays the entire list in the gallery and then starts again at the first video.', 'automatic-youtube-gallery' ),
911	'type' => 'checkbox',
912	'value' => $player_settings['loop'],
913	'sanitize_callback' => 'intval'
914	),
915	array(
916	'name' => 'muted',
917	'label' => __( 'Muted', 'automatic-youtube-gallery' ),
918	'description' => __( 'Check this option to turn OFF the audio output of the video by default.', 'automatic-youtube-gallery' ),
919	'type' => 'checkbox',
920	'value' => isset( $player_settings['muted'] ) ? $player_settings['muted'] : 0,
921	'sanitize_callback' => 'intval'
922	),
923	array(
924	'name' => 'controls',
925	'label' => __( 'Show Player Controls', 'automatic-youtube-gallery' ),
926	'description' => __( 'Uncheck this option to hide the video player controls.', 'automatic-youtube-gallery' ),
927	'type' => 'checkbox',
928	'value' => $player_settings['controls'],
929	'sanitize_callback' => 'intval'
930	),
931	array(
932	'name' => 'modestbranding',
933	'label' => __( 'Hide YouTube Logo', 'automatic-youtube-gallery' ),
934	'description' => __( "Lets you prevent the YouTube logo from displaying in the control bar. Note that a small YouTube text label will still display in the upper-right corner of a paused video when the user's mouse pointer hovers over the player.", 'automatic-youtube-gallery' ),
935	'type' => 'checkbox',
936	'value' => $player_settings['modestbranding'],
937	'sanitize_callback' => 'intval'
938	),
939	array(
940	'name' => 'cc_load_policy',
941	'label' => __( 'Force Closed Captions', 'automatic-youtube-gallery' ),
942	'description' => __( 'Show captions by default, even if the user has turned captions off. The default behavior is based on user preference.', 'automatic-youtube-gallery' ),
943	'type' => 'checkbox',
944	'value' => $player_settings['cc_load_policy'],
945	'sanitize_callback' => 'intval'
946	),
947	array(
948	'name' => 'iv_load_policy',
949	'label' => __( 'Show Annotations', 'automatic-youtube-gallery' ),
950	'description' => __( 'Choose whether to show annotations or not.', 'automatic-youtube-gallery' ),
951	'type' => 'checkbox',
952	'value' => $player_settings['iv_load_policy'],
953	'sanitize_callback' => 'intval'
954	),
955	array(
956	'name' => 'hl',
957	'label' => __( 'Player Language', 'automatic-youtube-gallery' ),
958	'description' => sprintf(
959	__( 'Specifies the player\'s interface language. Set the field\'s value to an <a href="%s" target="_blank">ISO 639-1 two-letter language code.</a>', 'automatic-youtube-gallery' ),
960	'http://www.loc.gov/standards/iso639-2/php/code_list.php'
961	),
962	'type' => 'text',
963	'value' => $player_settings['hl'],
964	'sanitize_callback' => 'sanitize_text_field'
965	),
966	array(
967	'name' => 'cc_lang_pref',
968	'label' => __( 'Default Captions Language', 'automatic-youtube-gallery' ),
969	'description' => sprintf(
970	__( 'Specifies the default language that the player will use to display captions. Set the field\'s value to an <a href="%s" target="_blank">ISO 639-1 two-letter language code.</a>', 'automatic-youtube-gallery' ),
971	'http://www.loc.gov/standards/iso639-2/php/code_list.php'
972	),
973	'type' => 'text',
974	'value' => $player_settings['cc_lang_pref'],
975	'sanitize_callback' => 'sanitize_text_field'
976	)
977	);
978
979	return $fields;
980	}
981
982
983	/**
984	* Get a single video page URL.
985	*
986	* @since 2.1.0
987	* @param stdClass $video YouTube video object.
988	* @param array $args An array of gallery options.
989	* @return string Single video URL.
990	*/
991	function ayg_get_single_video_url( $video, $attributes ) {
992	return apply_filters( 'ayg_single_video_url', '', $video, $attributes );
993	}
994
995	/**
996	* Get filtered php template file path.
997	*
998	* @since 1.0.0
999	* @param array $template PHP file path.
1000	* @param string $theme Automatic YouTube Gallery Theme.
1001	* @return string Filtered file path.
1002	*/
1003	function ayg_get_template( $template, $theme = '' ) {
1004	return apply_filters( 'ayg_load_template', $template, $theme );
1005	}
1006
1007	/**
1008	* Get unique ID.
1009	*
1010	* @since 1.0.0
1011	* @return string Unique ID.
1012	*/
1013	function ayg_get_uniqid() {
1014	global $ayg_uniqid;
1015
1016	if ( ! $ayg_uniqid ) {
1017	$ayg_uniqid = 0;
1018	}
1019
1020	return uniqid() . ++$ayg_uniqid;
1021	}
1022
1023	/**
1024	* Get YouTube domain.
1025	*
1026	* @since 2.3.0
1027	* @return string YouTube embed domain.
1028	*/
1029	function ayg_get_youtube_domain() {
1030	$player_settings = ayg_get_option( 'ayg_player_settings' );
1031
1032	$domain = 'https://www.youtube.com';
1033	if ( isset( $player_settings['privacy_enhanced_mode'] ) && ! empty( $player_settings['privacy_enhanced_mode'] ) ) {
1034	$domain = 'https://www.youtube-nocookie.com';
1035	}
1036
1037	return $domain;
1038	}
1039
1040	/**
1041	* Get the YouTube embed URL.
1042	*
1043	* @since 2.5.0
1044	* @param string $video_id YouTube video ID.
1045	* @param array $attributes Array of user attributes.
1046	* @return string Player embed URL.
1047	*/
1048	function ayg_get_youtube_embed_url( $video_id, $attributes = array() ) {
1049	$player_settings = ayg_get_option( 'ayg_player_settings' );
1050
1051	$player_website = 'https://www.youtube.com';
1052	if ( isset( $player_settings['privacy_enhanced_mode'] ) && ! empty( $player_settings['privacy_enhanced_mode'] ) ) {
1053	$player_website = 'https://www.youtube-nocookie.com';
1054	}
1055
1056	if ( empty( $video_id ) ) {
1057	return '';
1058	}
1059
1060	$url = $player_website . '/embed/' . $video_id . '?enablejsapi=1&playsinline=1&rel=0';
1061
1062	if ( isset( $player_settings['origin'] ) && ! empty( $player_settings['origin'] ) ) {
1063	$site_url_parts = parse_url( site_url() );
1064	$origin = $site_url_parts['scheme'] . '://' . $site_url_parts['host'];
1065
1066	$url = add_query_arg( 'origin', $origin, $url );
1067	}
1068
1069	if ( ! is_array( $attributes ) ) {
1070	$attributes = (array) $attributes;
1071	}
1072
1073	$autoplay = isset( $attributes['autoplay'] ) ? (int) $attributes['autoplay'] : 0;
1074	if ( 1 == $autoplay ) {
1075	$url = add_query_arg( 'autoplay', 1, $url );
1076	}
1077
1078	$loop = isset( $attributes['loop'] ) ? (int) $attributes['loop'] : 0;
1079	if ( 1 == $loop ) {
1080	$url = add_query_arg( 'playlist', $video_id, $url );
1081	$url = add_query_arg( 'loop', 1, $url );
1082	}
1083
1084	$muted = isset( $attributes['muted'] ) ? (int) $attributes['muted'] : 0;
1085	if ( 1 == $muted ) {
1086	$url = add_query_arg( 'mute', 1, $url );
1087	}
1088
1089	$controls = isset( $attributes['controls'] ) ? (int) $attributes['controls'] : 1;
1090	if ( 0 == $controls ) {
1091	$url = add_query_arg( 'controls', 0, $url );
1092	}
1093
1094	$modestbranding = isset( $attributes['modestbranding'] ) ? (int) $attributes['modestbranding'] : 0;
1095	if ( 1 == $modestbranding ) {
1096	$url = add_query_arg( 'modestbranding', 1, $url );
1097	}
1098
1099	$cc_load_policy = isset( $attributes['cc_load_policy'] ) ? (int) $attributes['cc_load_policy'] : 0;
1100	if ( 1 == $cc_load_policy ) {
1101	$url = add_query_arg( 'cc_load_policy', 1, $url );
1102	}
1103
1104	$iv_load_policy = isset( $attributes['iv_load_policy'] ) ? (int) $attributes['iv_load_policy'] : 0;
1105	if ( 0 == $iv_load_policy ) {
1106	$url = add_query_arg( 'iv_load_policy', 3, $url );
1107	}
1108
1109	if ( isset( $attributes['hl'] ) && ! empty( $attributes['hl'] ) ) {
1110	$url = add_query_arg( 'hl', sanitize_text_field( $attributes['hl'] ), $url );
1111	}
1112
1113	if ( isset( $attributes['cc_lang_pref'] ) && ! empty( $attributes['cc_lang_pref'] ) ) {
1114	$url = add_query_arg( 'cc_lang_pref', sanitize_text_field( $attributes['cc_lang_pref'] ), $url );
1115	}
1116
1117	return apply_filters( 'ayg_youtube_embed_url', $url, $video_id, $attributes );
1118	}
1119
1120	/**
1121	* Inserts a new associative array after another associative array key.
1122	*
1123	* @since 2.1.0
1124	* @param string $key The associative array key to insert after.
1125	* @param array $array An array to insert in to.
1126	* @param array $new_array An array to insert.
1127	* @return array Updated array.
1128	*/
1129	function ayg_insert_array_after( $key, $array, $new_array ) {
1130	if ( array_key_exists( $key, $array ) ) {
1131	$new = array();
1132
1133	foreach ( $array as $k => $value ) {
1134	$new[ $k ] = $value;
1135
1136	if ( $k === $key ) {
1137	foreach ( $new_array as $new_key => $new_value ) {
1138	$new[ $new_key ] = $new_value;
1139	}
1140	}
1141	}
1142
1143	return $new;
1144	}
1145
1146	return $array;
1147	}
1148
1149	/**
1150	* Detect if the client is using an iOS device (iPhone, iPad, or iPod).
1151	*
1152	* @return bool True if the user agent string suggests an iOS device, false otherwise.
1153	*/
1154	function ayg_is_ios() {
1155	if ( empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
1156	return false;
1157	}
1158
1159	$ua = strtolower( $_SERVER['HTTP_USER_AGENT'] );
1160
1161	if (
1162	strpos( $ua, 'iphone' ) !== false \|\|
1163	strpos( $ua, 'ipad' ) !== false \|\|
1164	strpos( $ua, 'ipod' ) !== false
1165	) {
1166	return true;
1167	}
1168
1169	return false;
1170	}
1171
1172	/**
1173	* Sanitize the array inputs.
1174	*
1175	* @since 2.7.0
1176	* @param array $value Input array.
1177	* @return array Sanitized array.
1178	*/
1179	function ayg_sanitize_array( $value ) {
1180	return ! empty( $value ) ? array_map( 'sanitize_text_field', $value ) : array();
1181	}
1182
1183	/**
1184	* Sanitize the integer inputs, accepts empty values.
1185	*
1186	* @since 1.0.0
1187	* @param string\|int $value Input value.
1188	* @return string\|int Sanitized value.
1189	*/
1190	function ayg_sanitize_int( $value ) {
1191	$value = intval( $value );
1192	return ( 0 == $value ) ? '' : $value;
1193	}
1194
1195	/**
1196	* Trims text to a certain number of characters.
1197	*
1198	* @since 2.0.0
1199	* @param string $text Text to trim.
1200	* @param int $num_characters Number of characters.
1201	* @param string $append String to append to the end of the excerpt.
1202	* @return string Trimmed text.
1203	*/
1204	function ayg_trim_words( $text, $num_characters, $append = '...' ) {
1205	$num_characters++;
1206
1207	$original_text = $text;
1208	$text = ( $num_characters > 1 ) ? wp_strip_all_tags( $original_text, true ) : nl2br( $original_text );
1209
1210	if ( $num_characters > 1 && mb_strlen( $text ) > $num_characters ) {
1211	$subex = mb_substr( $text, 0, $num_characters - 5 );
1212	$exwords = explode( ' ', $subex );
1213	$excut = - ( mb_strlen( $exwords[ count( $exwords ) - 1 ] ) );
1214
1215	if ( $excut < 0 ) {
1216	$text = mb_substr( $subex, 0, $excut );
1217	} else {
1218	$text = $subex;
1219	}
1220
1221	$text .= $append;
1222	}
1223
1224	return apply_filters( 'ayg_trim_words', $text, $original_text, $num_characters, $append );
1225	}
1226
1227	/**
1228	* Gallery HTML output.
1229	*
1230	* @since 1.0.0
1231	* @param array $video YouTube video object.
1232	* @param array $attributes Array of user attributes.
1233	*/
1234	function the_ayg_gallery_thumbnail( $video, $attributes ) {
1235	include ayg_get_template( AYG_DIR . 'public/templates/thumbnail.php' );
1236	}
1237
1238	/**
1239	* Pagination HTML output.
1240	*
1241	* @since 1.0.0
1242	* @param array $attributes Array of user attributes.
1243	*/
1244	function the_ayg_pagination( $attributes ) {
1245	if ( ! empty( $attributes['pagination'] ) ) {
1246	include ayg_get_template( AYG_DIR . 'public/templates/pagination.php' );
1247	}
1248	}
1249
1250	/**
1251	* Search Form HTML output.
1252	*
1253	* @since 2.5.7
1254	* @param array $attributes Array of user attributes.
1255	*/
1256	function the_ayg_search_form( $attributes ) {
1257	if ( ! empty( $attributes['search_form'] ) ) {
1258	include ayg_get_template( AYG_DIR . 'public/templates/search-form.php' );
1259	}
1260	}
1261
1262	/**
1263	* Gallery HTML output.
1264	*
1265	* @since 2.5.0
1266	* @param array $video YouTube video object.
1267	* @param array $attributes Array of user attributes.
1268	*/
1269	function the_ayg_player( $video, $attributes ) {
1270	include ayg_get_template( AYG_DIR . 'public/templates/player.php' );
1271	}