/**
 * Returns true if the caller is to go ahead with default behavior, false if it is to skip.
 * The method is passed a reference to $caller, plus any additional arguments supplied.
 */
function lqtDelegate( $caller, $delegate, $methodName ) {
	if( !$delegate ) return true;

	// Build an array from the extra arguments.
	// In any case, include $caller in the arguments.
	$extra_args = array( &$caller );
	for ( $i = 3; $i < func_num_args(); $i++ ) {
		$extra_args[] = &func_get_arg($i);
	}

	$refl = new ReflectionObject( $delegate );
	if ( $refl->hasMethod( $methodName ) ) {
		return call_user_func_array( array( $delegate, $methodName ), $extra_args );
	} else {
		return true;
	}
}