(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)
oci_field_is_null — Checks if a field in the currently fetched row is null
Checks if the given column
from the current row of
statement
is null
.
statement
A valid OCI statement identifier.
column
Can be the field's index (1-based) or name.
Example #1 oci_field_name() example
<?php// Create the table with:// CREATE TABLE mytab (c1 NUMBER);// INSERT INTO mytab VALUES (1);// INSERT INTO mytab VALUES (NULL);$conn = oci_connect("hr", "hrpwd", "localhost/XE");if (!$conn) { $m = oci_error(); trigger_error(htmlentities($m['message']), E_USER_ERROR);}$stid = oci_parse($conn, "SELECT * FROM mytab");oci_execute($stid);while (($row = oci_fetch_array($stid, OCI_RETURN_NULLS)) != false) { $ncols = oci_num_fields($stid); for ($col = 1; $col <= $ncols; $col++) { var_dump(oci_field_is_null($stid, $col)); } }// Outputs:// bool(false)// bool(true)oci_free_statement($stid);oci_close($conn);?>