src/DataGrid/Columns/AbstractColumn.php
public function identifier($identifier = null)
    {
        if (null === $identifier) {
            return $this->identifier;
        }

        $this->identifier = $identifier;
        return $this;
    }
public function identifier($identifier = null)
    {
        if (null === $identifier) {
            return $this->identifier;
        }

        $this->identifier = $identifier;
        return $this;
    }
public function identifier ( $ identifier = null ) { if ( null === $ identifier ) { return $ this -> identifier ; } $ this -> identifier = $ identifier ; return $ this ; }
Get the column identifier.
@return string $identifier
Get the column identifier .