确定为给定帖子保留的修订数量。
原型
wp_revisions_to_keep( WP_Post $post )
描述
默认情况下,保留无限次修订。
参数
$post
(WP_Post)
(Required)
帖子对象。
返回值
(int)
要保留的修订数量。
源文件
路径:wp-includes/revision.php
<?php
...
function wp_revisions_to_keep( $post ) {
$num = WP_POST_REVISIONS;
if ( true === $num )
$num = -1;
else
$num = intval( $num );
if ( ! post_type_supports( $post->post_type, 'revisions' ) )
$num = 0;
/**
* Filters the number of revisions to save for the given post.
*
* Overrides the value of WP_POST_REVISIONS.
*
* @since 3.6.0
*
* @param int $num Number of revisions to store.
* @param WP_Post $post Post object.
*/
return (int) apply_filters( 'wp_revisions_to_keep', $num, $post );
}
...
?>
其他
英文文档:https://developer.wordpress.org/reference/functions/wp_revisions_to_keep/