WP_Term_Query::parse_orderby( string $orderby_raw )

Parse and sanitize ‘orderby’ keys passed to the term query.


Description Description


Parameters Parameters

$orderby_raw

(string) (Required) Alias for the field to order by.


Top ↑

Return Return

(string|false) Value to used in the ORDER clause. False otherwise.


Top ↑

Source 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 ( '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 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;
	}

Top ↑

Changelog Changelog

Changelog
Version Description
4.6.0 Introduced.

Top ↑

User Contributed Notes User Contributed Notes

You must log in before being able to contribute a note or feedback.