| title | PDOStatement::columnCount | Microsoft Docs |
|---|---|
| ms.custom | |
| ms.date | 01/19/2017 |
| ms.prod | sql |
| ms.prod_service | connectivity |
| ms.reviewer | |
| ms.technology | connectivity |
| ms.topic | conceptual |
| ms.assetid | 8d89a568-0c7c-40dd-9f54-db7313600df3 |
| author | David-Engel |
| ms.author | v-daenge |
[!INCLUDEDriver_PHP_Download]
Returns the number of columns in a result set.
int PDOStatement::columnCount ();
Returns the number of columns in a result set. Returns zero if the result set is empty.
Support for PDO was added in version 2.0 of the [!INCLUDEssDriverPHP].
<?php
$database = "AdventureWorks";
$server = "(local)";
$conn = new PDO( "sqlsrv:server=$server ; Database = $database", "", "");
$query = "select * from Person.ContactType";
$stmt = $conn->prepare( $query );
print $stmt->columnCount(); // 0
echo "\n";
$stmt->execute();
print $stmt->columnCount();
echo "\n";
$stmt = $conn->query("select * from HumanResources.Department");
print $stmt->columnCount();
?>