if ( $col_type == 'BLOB' ) {
$lob[$col]->writeTemporary( $val );
oci_bind_by_name( $stmt, ":$col", $lob[$col], -1, SQLT_BLOB );
if ( $col_type == 'BLOB' ) {
$lob[$col]->writeTemporary( $val );
oci_bind_by_name( $stmt, ":$col", $lob[$col], -1, SQLT_BLOB );