posts_orderby_request filter-hook . WP 2.5.0

Filters the ORDER BY clause of the query.

For use by caching plugins.

Usage

add_filter( 'posts_orderby_request', 'filter_function_name_2838', 10, 2 );
function filter_function_name_2838( $orderby, $this ){
	// filter...

	return $orderby;
}

$orderby(string)

The ORDER BY clause of the query.

$this(WP_Query)

The WP_Query instance (passed by reference).

Where the hook is called

$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );

Where the hook is used (in WP core)