[英]PDO Request Causing 500 Internal Server Error
This PDO request is not welcomed by my server for some reason. 由于某些原因,我的服务器不欢迎此PDO请求。 It makes the server throw a 500 Internal Server Error.
它使服务器抛出500 Internal Server Error。 All of my other PHP files are working fine and I haven't changed any server settings.
我所有其他的PHP文件运行正常,并且我没有更改任何服务器设置。 Strangely though, It seems that when I comment out the line that binds the variable $u, it does not give a 500 error.
但是,奇怪的是,当我注释掉绑定变量$ u的行时,它不会给出500错误。 I am perplexed.
我很困惑。
<?php
$u=$_GET["u"];
if ((isset($_POST["MM_update"])) && ($_POST["MM_update"] == "form2")) {
$amount = isset($_POST['amount']) ? $_POST['amount'] : null;
if (null != $amount) {
$user = 'username';
$pass = 'password';
$pdo = new PDO('mysql:host=localhost', $user, $pass);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
session_start();
$tablename = $_SESSION['MM_Username'];
$query = sprintf("UPDATE `%s` SET `stock` = :amount WHERE `itemname` = :u", $tablename);
$stmt = $pdo->prepare($query);
$stmt->bindParam('u', $u);
$stmt->bindParam('amount', $amount);
$stmt->execute();
}
}
?>
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