根据自动保存后设置要预览的帖子对象。

原型

_set_preview( WP_Post $post )

参数

$post (WP_Post) (Required)

返回值

(WP_Post|false)  

源文件

路径:wp-includes/revision.php

<?php
...
function _set_preview( $post ) {
	if ( ! is_object( $post ) ) {
		return $post;
	}
	$preview = wp_get_post_autosave( $post->ID );
	if ( ! is_object( $preview ) ) {
		return $post;
	}
	$preview = sanitize_post( $preview );
	$post->post_content = $preview->post_content;
	$post->post_title = $preview->post_title;
	$post->post_excerpt = $preview->post_excerpt;
	add_filter( 'get_the_terms', '_wp_preview_terms_filter', 10, 3 );
	add_filter( 'get_post_metadata', '_wp_preview_post_thumbnail_filter', 10, 3 );
	return $post;
}
...
?>

其他

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