posts_where_request хук-фильтр . WP 2.5.0

Filters the WHERE clause of the query.

For use by caching plugins.

Использование

add_filter( 'posts_where_request', 'filter_function_name_300', 10, 2 );
function filter_function_name_300( $where, $this ){
	// filter...

	return $where;
}

$where(строка)

The WHERE clause of the query.

$this(WP_Query)

The WP_Query instance (passed by reference).

Где используется хук

Код хука

...
		/*
		 * Filters again for the benefit of caching plugins.
		 * Regular plugins should use the hooks above.
		 */
		if ( !$q['suppress_filters'] ) {
			/**
			 * Filters the WHERE clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $where The WHERE clause of the query.
			 * @param WP_Query $this The WP_Query instance (passed by reference).
			 */
			$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );

			/**
			 * Filters the GROUP BY clause of the query.
			 *
			 * For use by caching plugins.
			 *
			 * @since 2.5.0
			 *
			 * @param string   $groupby The GROUP BY clause of the query.
			 * @param WP_Query $this    The WP_Query instance (passed by reference).
			 */
			$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );

			/**
			 * Filters the JOIN clause of the query.
...