public function hasRow($rowKey) : bool
    {
        $this->validateRowKey(__METHOD__, $rowKey);
        $this->loadRows();

        $rowHash = ValueHasher::hash($rowKey);

        return isset($this->rows[$rowHash]);
    }
public function hasRow($rowKey) : bool
    {
        $this->validateRowKey(__METHOD__, $rowKey);
        $this->loadRows();

        $rowHash = ValueHasher::hash($rowKey);

        return isset($this->rows[$rowHash]);
    }
public function hasRow ( $ rowKey ) : bool { $ this -> validateRowKey ( __METHOD__ , $ rowKey ) ; $ this -> loadRows ( ) ; $ rowHash = ValueHasher :: hash ( $ rowKey ) ; return isset ( $ this -> rows [ $ rowHash ] ) ; }
Returns whether the table data contains a row with the supplied key.

@param mixed $rowKey

@return bool
@throws TypeMismatchException
Returns whether the table data contains a row with the supplied key .