Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness. Use wp_old_slug_redirect() instead.
_find_post_by_old_slug() WordPress Function
The find_post_by_old_slug() function allows you to retrieve a post by its old slug. This is useful if you have changed the slug for a post and need to redirect users from the old slug to the new one.
_find_post_by_old_slug( string $post_type ) #
Find the post ID for redirecting an old slug.
Description
See also
Parameters
- $post_type
(string)(Required)The current post type based on the query vars.
Return
(int) The Post ID.
Source
File: wp-includes/query.php
1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 | function _find_post_by_old_slug( $post_type ) { global $wpdb; $query = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, get_query_var( 'name' ) ); // If year, monthnum, or day have been specified, make our query more precise // just in case there are multiple identical _wp_old_slug values. if ( get_query_var( 'year' ) ) { $query .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) ); } if ( get_query_var( 'monthnum' ) ) { $query .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) ); } if ( get_query_var( 'day' ) ) { $query .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) ); } $id = (int) $wpdb->get_var( $query ); return $id;} |
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Changelog
| Version | Description |
|---|---|
| 4.9.3 | Introduced. |