public function offsetExists($offset)
    {
        $lineFound = false;

        $index = $this->findLine($offset);

        if ($index >= 0) {
            $lineFound = true;
        }

        return $lineFound;
    }
public function offsetExists($offset)
    {
        $lineFound = false;

        $index = $this->findLine($offset);

        if ($index >= 0) {
            $lineFound = true;
        }

        return $lineFound;
    }
public function offsetExists ( $ offset ) { $ lineFound = false ; $ index = $ this -> findLine ( $ offset ) ; if ( $ index >= 0 ) { $ lineFound = true ; } return $ lineFound ; }
Whether or not an offset exists

@param string $offset An offset to check for
@access public
@return boolean
@abstracting ArrayAccess
Whether or not an offset exists