public function destroy($name)
    {
        if (!array_key_exists($name, $this->_storage)) {
            trigger_error(
                "Attempted to destroy non-existent variable $name",
                E_USER_ERROR
            );
            return;
        }
        unset($this->_storage[$name]);
    }
public function destroy($name)
    {
        if (!array_key_exists($name, $this->_storage)) {
            trigger_error(
                "Attempted to destroy non-existent variable $name",
                E_USER_ERROR
            );
            return;
        }
        unset($this->_storage[$name]);
    }
public function destroy ( $ name ) { if ( ! array_key_exists ( $ name , $ this -> _storage ) ) { trigger_error ( "Attempted to destroy non-existent variable $name" , E_USER_ERROR ) ; return ; } unset ( $ this -> _storage [ $ name ] ) ; }
Destroys a variable in the context.
@param string $name String name
Destroys a variable in the context .