eZ\Publish\Core\FieldType\Unindexed::getDefaultSortField PHP 메소드

getDefaultSortField() 공개 메소드

As field types can index multiple fields (see MapLocation field type's implementation of this interface), this method is used to define default field for sorting. Default field is typically used by Field sort clause.
public getDefaultSortField ( ) : string
리턴 string
    public function getDefaultSortField()
    {
        return null;
    }