← All changes | includes/utilities.php +78 -1 4.3 → 5.4 View file →

		@@ -12,8 +12,12 @@
12	12
13	13	add_filter( 'the_excerpt_rss', array( __CLASS__, 'insert_featured_image_rss_feed' ) );
14	14	add_filter( 'the_content_feed', array( __CLASS__, 'insert_featured_image_rss_feed' ) );
15	15
	16	+ add_filter( 'commentrss2_item', array( __CLASS__, 'insert_avatar_comments_feed' ), 10, 2 );
	17	+
	18	+ add_filter( 'wp_feed_options', array( __CLASS__, 'set_user_agent' ), 10, 2 );
	19	+
16	20	}
17	21
18	22	public static function insert_featured_image_rss_feed( $content ){
19	23
		@@ -18,9 +22,9 @@
18	22	public static function insert_featured_image_rss_feed( $content ){
19	23
20	24	global $post;
21	25
22		- preg_match_all( '~<img.*?src=["\']+(.*?)["\']+~', $content, $image_urls );
	26	+ preg_match_all( '~<img.*?src=["\']+(.*?)["\']+~', $content ?? '', $image_urls );
23	27
24	28	if( empty( $image_urls[1] ) && has_post_thumbnail( $post->ID ) ) {
25	29	$content = '<p>' . get_the_post_thumbnail( $post->ID ) . '</p>' . $content;
26	30	}
		@@ -25,8 +29,81 @@
25	29	$content = '<p>' . get_the_post_thumbnail( $post->ID ) . '</p>' . $content;
26	30	}
27	31
28	32	return $content;
	33	+
	34	+ }
	35	+
	36	+ public static function insert_avatar_comments_feed( $comment_id, $comment_post_id ){
	37	+
	38	+ $comment = get_comment( $comment_id );
	39	+ $avatar_url = get_avatar_url( $comment );
	40	+
	41	+ if( $avatar_url ){
	42	+ echo '<media:thumbnail url="' . esc_attr( $avatar_url ) . '" />';
	43	+ }
	44	+
	45	+ }
	46	+
	47	+ public static function set_user_agent( &$feed, $url ) {
	48	+
	49	+ $feed->set_useragent( 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36' );
	50	+
	51	+ }
	52	+
	53	+ public static function date_i18n( $format, $timestamp, $timezone ){
	54	+
	55	+ try{
	56	+ $timezone = new DateTimeZone( trim( $timezone ) );
	57	+ }catch( Exception $e ) {
	58	+ $timezone = new DateTimeZone( 'UTC' );
	59	+ }
	60	+
	61	+ $date = wp_date( $format, $timestamp, $timezone );
	62	+
	63	+ return $date;
	64	+
	65	+ }
	66	+
	67	+ public static function is_valid_image_url( $item, $url ){
	68	+
	69	+ // Does it begin with http?
	70	+ if( strpos( $url, 'http' ) === 0 ){
	71	+ return true;
	72	+ }
	73	+
	74	+ // If it does not begin with http, then check if the RSS feed is of the current domain
	75	+ $wp_domain = parse_url( get_site_url(), PHP_URL_HOST );
	76	+ return strpos( $item->get_link(), $wp_domain ) !== false;
	77	+
	78	+ }
	79	+
	80	+ public static function parse_image_url( $item, $content ){
	81	+
	82	+ $attributes = array(
	83	+ 'src' => '~<img.*?src=["\']+(.*?)["\']+~',
	84	+ 'srcset' => '~<img.*?srcset=["\']+(.*?)["\']+~'
	85	+ );
	86	+
	87	+ foreach( $attributes as $attribute => $regex ){
	88	+ preg_match( $regex, $content ?? '', $urls );
	89	+
	90	+ if( empty( $urls ) ){
	91	+ continue;
	92	+ }
	93	+ $parsed_url = $urls[1];
	94	+
	95	+ if( $attribute == 'srcset' ){
	96	+ $srcset_urls = explode( ',' , $parsed_url );
	97	+ $parsed_url = explode( ' ', $srcset_urls[0] )[0];
	98	+ }
	99	+
	100	+ if( self::is_valid_image_url( $item, $parsed_url ) ){
	101	+ return $parsed_url;
	102	+ }
	103	+ }
	104	+
	105	+ return '';
29	106
30	107	}
31	108
32	109	}