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/