public function setSeparator($separator)
    {
        if ($separator == null) {

            throw new Zend_Filter_Exception('"' . $separator . '" is not a valid separator.');
        }
        $this->_separator = $separator;
        return $this;
    }
public function setSeparator($separator)
    {
        if ($separator == null) {

            throw new Zend_Filter_Exception('"' . $separator . '" is not a valid separator.');
        }
        $this->_separator = $separator;
        return $this;
    }
public function setSeparator ( $ separator ) { if ( $ separator == null ) { throw new Zend_Filter_Exception ( '"' . $ separator . '" is not a valid separator.' ) ; } $ this -> _separator = $ separator ; return $ this ; }
Sets a new seperator

@param  string  $separator  Seperator
@return $this
Sets a new seperator