检索需要ping的网址。

原型

get_to_ping( int|WP_Post $post_id )

参数

$post_id (int|WP_Post) (Required) 发布对象或ID

返回值

(array)  

源文件

路径:wp-includes/post.php

<?php
...
function get_to_ping( $post_id ) {
	$post = get_post( $post_id );
	if ( ! $post ) {
		return false;
	}
	$to_ping = sanitize_trackback_urls( $post->to_ping );
	$to_ping = preg_split('/s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY);
	/**
	 * Filters the list of URLs yet to ping for the given post.
	 *
	 * @since 2.0.0
	 *
	 * @param array $to_ping List of URLs yet to ping.
	 */
	return apply_filters( 'get_to_ping', $to_ping );
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/get_to_ping/