WP_Term_Query::parse_orderby( string $orderby_raw )
Parse and sanitize ‘orderby’ keys passed to the term query.
Parameters
- $orderby_raw
-
(Required) Alias for the field to order by.
Return
(string|false) Value to used in the ORDER clause. False otherwise.
Source
File: wp-includes/class-wp-term-query.php
protected function parse_orderby( $orderby_raw ) {
$_orderby = strtolower( $orderby_raw );
$maybe_orderby_meta = false;
if ( in_array( $_orderby, array( 'term_id', 'name', 'slug', 'term_group' ), true ) ) {
$orderby = "t.$_orderby";
} elseif ( in_array( $_orderby, array( 'count', 'parent', 'taxonomy', 'term_taxonomy_id', 'description' ), true ) ) {
$orderby = "tt.$_orderby";
} elseif ( 'term_order' === $_orderby ) {
$orderby = 'tr.term_order';
} elseif ( 'include' == $_orderby && ! empty( $this->query_vars['include'] ) ) {
$include = implode( ',', wp_parse_id_list( $this->query_vars['include'] ) );
$orderby = "FIELD( t.term_id, $include )";
} elseif ( 'slug__in' == $_orderby && ! empty( $this->query_vars['slug'] ) && is_array( $this->query_vars['slug'] ) ) {
$slugs = implode( "', '", array_map( 'sanitize_title_for_query', $this->query_vars['slug'] ) );
$orderby = "FIELD( t.slug, '" . $slugs . "')";
} elseif ( 'none' == $_orderby ) {
$orderby = '';
} elseif ( empty( $_orderby ) || 'id' == $_orderby || 'term_id' === $_orderby ) {
$orderby = 't.term_id';
} else {
$orderby = 't.name';
// This may be a value of orderby related to meta.
$maybe_orderby_meta = true;
}
/**
* Filters the ORDERBY clause of the terms query.
*
* @since WP-2.8.0
*
* @param string $orderby `ORDERBY` clause of the terms query.
* @param array $args An array of terms query arguments.
* @param array $taxonomies An array of taxonomies.
*/
$orderby = apply_filters( 'get_terms_orderby', $orderby, $this->query_vars, $this->query_vars['taxonomy'] );
// Run after the 'get_terms_orderby' filter for backward compatibility.
if ( $maybe_orderby_meta ) {
$maybe_orderby_meta = $this->parse_orderby_meta( $_orderby );
if ( $maybe_orderby_meta ) {
$orderby = $maybe_orderby_meta;
}
}
return $orderby;
}
Changelog
Version | Description |
---|---|
4.6.0 | Introduced. |