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parse_tax_query хук-событие . WP 3.7.0

Fires after taxonomy-related query vars have been parsed.

Использование

add_action( 'parse_tax_query', 'action_function_name_6993' );
function action_function_name_6993( $this ){
	// action...
}
$this(WP_Query)
The WP_Query instance.

Где используется хук

Код хука

Фрагмент из: wp-includes/class-wp-query.php VER 4.9.8
...
				'terms' => $q['tag_slug__and'],
				'field' => 'slug',
				'operator' => 'AND'
			);
		}

		$this->tax_query = new WP_Tax_Query( $tax_query );

		/**
		 * Fires after taxonomy-related query vars have been parsed.
		 *
		 * @since 3.7.0
		 *
		 * @param WP_Query $this The WP_Query instance.
		 */
		do_action( 'parse_tax_query', $this );
	}

	/**
	 * Generates SQL for the WHERE clause based on passed search terms.
	 *
	 * @since 3.7.0
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param array $q Query variables.
	 * @return string WHERE clause.
	 */
	protected function parse_search( &$q ) {
		global $wpdb;

...