Returns the number of result columns in a statement

# oci_num_fields

(PHP 5, PHP 7, PHP 8, PECL OCI8 >= 1.1.0)

oci_num_fields — Returns the number of result columns in a statement

### Description

oci_num_fields(resource `$statement`): int

Gets the number of columns in the given `statement`.

### Parameters

`statement`

  A valid OCI statement identifier.

### Return Values

Returns the number of columns as an int.

### Examples

Example #1 oci_num_fields() example

`<?php
// Create the table with:
// CREATE TABLE mytab (id NUMBER, quantity NUMBER);
$conn = oci_connect("hr", "hrpwd", "localhost/XE");
if (!$conn) {
$m = oci_error();
trigger_error(htmlentities($m['message']), E_USER_ERROR);
}
$stid = oci_parse($conn, "SELECT * FROM mytab");
oci_execute($stid, OCI_DESCRIBE_ONLY); // Use OCI_DESCRIBE_ONLY if not fetching rows
$ncols = oci_num_fields($stid);
for ($i = 1; $i <= $ncols; $i++) {
echo oci_field_name($stid, $i) . " " . oci_field_type($stid, $i) . "<br>\n";
}
// Outputs:
// ID NUMBER
// QUANTITY NUMBER
oci_free_statement($stid);
oci_close($conn);
?>`
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