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_find_post_by_old_slug › WordPress Function

Seit4.9.3
Veraltetn/v
› _find_post_by_old_slug ( $post_type )
Zugriff:
  • private
Parameter:
  • (string) $post_type The current post type based on the query vars.
    Erforderlich: Ja
Siehe:
Gibt zurück:
  • (int) The Post ID.
Definiert in:
Codex:

Find the post ID for redirecting an old slug.



Ähnliche Funktionen: _find_post_by_old_date, _truncate_post_slug, wp_unique_post_slug, get_posts_by_author_sql, find_posts_div

Quellcode 

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' ) );
	}

	$key          = md5( $query );
	$last_changed = wp_cache_get_last_changed( 'posts' );
	$cache_key    = "find_post_by_old_slug:$key:$last_changed";
	$cache        = wp_cache_get( $cache_key, 'post-queries' );
	if ( false !== $cache ) {
		$id = $cache;
	} else {
		$id = (int) $wpdb->get_var( $query );
		wp_cache_set( $cache_key, $id, 'post-queries' );
	}

	return $id;
}