public function setLevel($level)
    {
        if (($level < 0) || ($level > 9)) {

            throw new Zend_Filter_Exception('Level must be between 0 and 9');
        }

        $this->_options['level'] = (int) $level;
        return $this;
    }
public function setLevel($level)
    {
        if (($level < 0) || ($level > 9)) {

            throw new Zend_Filter_Exception('Level must be between 0 and 9');
        }

        $this->_options['level'] = (int) $level;
        return $this;
    }
public function setLevel ( $ level ) { if ( ( $ level < 0 ) || ( $ level > 9 ) ) { throw new Zend_Filter_Exception ( 'Level must be between 0 and 9' ) ; } $ this -> _options [ 'level' ] = ( int ) $ level ; return $ this ; }
Sets a new compression level

@param integer $level
@return Zend_Filter_Compress_Gz
Sets a new compression level