WordPress函数：get_post_timestamp

一、函数简介

检索发布或修改后的时间作为Unix时间戳。（Retrieves post published or modified time as a Unix timestamp.）  

二、函数参数

* @param int|WP_Post $post Optional. Post ID or post object. Default is global `$post` object. * @param string $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'. * Default 'date'. * @return int|false Unix timestamp on success, false on failure.  

三、函数案例

<?php get_post_timestamp( $post = null, $field = 'date' ) ?>

   

四、源代码

/**
 * Retrieves post published or modified time as a Unix timestamp.
 *
 * Note that this function returns a true Unix timestamp, not summed with timezone offset
 * like older WP functions.
 *
 * @since 5.3.0
 *
 * @param int|WP_Post $post  Optional. Post ID or post object. Default is global `$post` object.
 * @param string      $field Optional. Published or modified time to use from database. Accepts 'date' or 'modified'.
 *                           Default 'date'.
 * @return int|false Unix timestamp on success, false on failure.
 */
function get_post_timestamp( $post = null, $field = 'date' ) {
	$datetime = get_post_datetime( $post, $field );

	if ( false === $datetime ) {
		return false;
	}

	return $datetime->getTimestamp();
}