public function setPrefix($prefix = null) {

		if(null !== $prefix) {

			if(false === is_string($prefix)) {
				return trigger_error(sprintf('Argument 1 passed to %s() must be of the type string, "%s" given', __METHOD__, gettype($prefix)), E_USER_ERROR);
			}

			$this -> prefix = $prefix;
		}

		return $this;
	}
public function setPrefix($prefix = null) {

		if(null !== $prefix) {

			if(false === is_string($prefix)) {
				return trigger_error(sprintf('Argument 1 passed to %s() must be of the type string, "%s" given', __METHOD__, gettype($prefix)), E_USER_ERROR);
			}

			$this -> prefix = $prefix;
		}

		return $this;
	}
public function setPrefix ( $ prefix = null ) { if ( null !== $ prefix ) { if ( false === is_string ( $ prefix ) ) { return trigger_error ( sprintf ( 'Argument 1 passed to %s() must be of the type string, "%s" given' , __METHOD__ , gettype ( $ prefix ) ) , E_USER_ERROR ) ; } $ this -> prefix = $ prefix ; } return $ this ; }
Sets the prefix
@param string $prefix
@return sFire\Validator\Validator
Sets the prefix