src/RowTrait.php
/**
     * This method queries whether or not  the column with the passed name is available or
     * not. This  method uses the `isset()` function to make sure the column is available
     * and has not been removed somehow before, because it has an empty value for example.
     *
     * @param string $name The name of the column to query for
     *
     * @return boolean TRUE if the columen is available, FALSE otherwise
     */
This method queries whether or not  the column with the passed name is available or
not. This  method uses the `isset()` function to make sure the column is available
and has not been removed somehow before, because it has an empty value for example.

@param string $name The name of the column to query for

@return boolean TRUE if the columen is available, FALSE otherwise
This method queries whether or not the column with the passed name is available or not . This method uses the ` isset () ` function to make sure the column is available and has not been removed somehow before because it has an empty value for example . @param string $name The name of the column to query for @return boolean TRUE if the columen is available FALSE otherwise
public function hasColumn(string $name) : bool
    {
        if ($this->hasHeader($name)) {
            return isset($this->row[$this->getHeader($name)]);
        }
        return false;
    }
public function hasColumn ( string $ name ) : bool { if ( $ this -> hasHeader ( $ name ) ) { return isset ( $ this -> row [ $ this -> getHeader ( $ name ) ] ) ; } return false ; }
This method queries whether or not  the column with the passed name is available or
 not.
This method queries whether or not the column with the passed name is available or not .
// query whether or not the header is available, if yes try // to load the key and query whether the column is available // return FALSE if not