在发生评论状态转换时调用挂钩。

原型

wp_transition_comment_status( string $new_status, string $old_status, object $comment )

描述

调用注释状态转换的挂钩。如果新评论状态与先前评论状态不同,则将运行两个挂钩,第一个是具有新状态,旧状态和评论数据的“transition_comment_status”。调用的下一个操作是comment_ $ old_status_to_ $ new_status’。它有评论数据。

参数

$new_status (string) (Required) 新评论状态。

$old_status (string) (Required) 以前的评论状态。

$comment (object) (Required) 评论数据。

源文件

路径:wp-includes/comment.php

<?php
...
function wp_transition_comment_status($new_status, $old_status, $comment) {
	/*
	 * Translate raw statuses to human readable formats for the hooks.
	 * This is not a complete list of comment status, it's only the ones
	 * that need to be renamed
	 */
	$comment_statuses = array(
		0         => 'unapproved',
		'hold'    => 'unapproved', // wp_set_comment_status() uses "hold"
		1         => 'approved',
		'approve' => 'approved', // wp_set_comment_status() uses "approve"
	);
	if ( isset($comment_statuses[$new_status]) ) $new_status = $comment_statuses[$new_status];
	if ( isset($comment_statuses[$old_status]) ) $old_status = $comment_statuses[$old_status];
	// Call the hooks
	if ( $new_status != $old_status ) {
		/**
		 * Fires when the comment status is in transition.
		 *
		 * @since 2.7.0
		 *
		 * @param int|string $new_status The new comment status.
		 * @param int|string $old_status The old comment status.
		 * @param object     $comment    The comment data.
		 */
		do_action( 'transition_comment_status', $new_status, $old_status, $comment );
		/**
		 * Fires when the comment status is in transition from one specific status to another.
		 *
		 * The dynamic portions of the hook name, `$old_status`, and `$new_status`,
		 * refer to the old and new comment statuses, respectively.
		 *
		 * @since 2.7.0
		 *
		 * @param WP_Comment $comment Comment object.
		 */
		do_action( "comment_{$old_status}_to_{$new_status}", $comment );
	}
	/**
	 * Fires when the status of a specific comment type is in transition.
	 *
	 * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`,
	 * refer to the new comment status, and the type of comment, respectively.
	 *
	 * Typical comment types include an empty string (standard comment), 'pingback',
	 * or 'trackback'.
	 *
	 * @since 2.7.0
	 *
	 * @param int        $comment_ID The comment ID.
	 * @param WP_Comment $comment    Comment object.
	 */
	do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
}
...
?>

其他

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