trackback_url_list( string $tb_list, int $post_id )

Source

function trackback_url_list( $tb_list, $post_id ) {	if ( ! empty( $tb_list ) ) {	// Get post data.	$postdata = get_post( $post_id, ARRAY_A );	// Form an excerpt.	$excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] );	if ( strlen( $excerpt ) > 255 ) {	$excerpt = substr( $excerpt, 0, 252 ) . '…';	}	$trackback_urls = explode( ',', $tb_list );	foreach ( (array) $trackback_urls as $tb_url ) {	$tb_url = trim( $tb_url );	trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id );	}	} } 

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