private function _init( $params )
    {
        if ( NULL !== $params && 0 < count( $params ) )
        {
            foreach ( $params as $key => $value )
            {
                $this->_params[ ] = $value;
            }
        }
    }
private function _init( $params )
    {
        if ( NULL !== $params && 0 < count( $params ) )
        {
            foreach ( $params as $key => $value )
            {
                $this->_params[ ] = $value;
            }
        }
    }
private function _init ( $ params ) { if ( NULL !== $ params && 0 < count ( $ params ) ) { foreach ( $ params as $ key => $ value ) { $ this -> _params [ ] = $ value ; } } }
Initialises the action.

@param array $params configuration array
Initialises the action .