OCICOLUMNISNULL(3) OCICOLUMNISNULL(3) ocicolumnisnull - Alias ofoci_field_is_null(3) Alias of oci_field_is_null(3) Warning This alias has been DEPRECATED as of PHP 5.4.0. Relying on this alias is highly discouraged. PHP Documentation Group OCICOLUMNISNULL(3)