function register_modifier($modifier, $modifier_impl)
	{
		$this->_plugins['modifier'][$modifier] =
		array($modifier_impl, null, null, false);
	}
function register_modifier($modifier, $modifier_impl)
	{
		$this->_plugins['modifier'][$modifier] =
		array($modifier_impl, null, null, false);
	}
function register_modifier ( $ modifier , $ modifier_impl ) { $ this -> _plugins [ 'modifier' ] [ $ modifier ] = array ( $ modifier_impl , null , null , false ) ; }
Registers modifier to be used in templates

@param string $modifier name of template modifier
@param string $modifier_impl name of PHP function to register
Registers modifier to be used in templates