Пример 1. Retrieving the number of fields in a result set
The following example demonstrates how to retrieve the number of fields
returned in a result set.
<?php
$sql = "SELECT id, name, breed, weight FROM animals ORDER BY breed";
$stmt = db2_prepare($conn, $sql);
db2_execute($stmt, $sql);
$columns = db2_num_fields($stmt);
echo "There are {$columns} columns in the result set.";
?>
|
Результат выполнения данного примера:
There are 4 columns in the result set. |
