此代码出错:
致命错误:在第42行的C:\ Users \ fel \ VertrigoServ \ www \ login \ validation.php中的非对象上调用成员函数prepare()
码:
function repetirDados($email) {
if(!empty($_POST['email'])) {
$query = "SELECT email FROM users WHERE email = ?";
$stmt = $pdo->prepare($query); // error line: line 42
$email = mysql_real_escape_string($_POST['email']);
$stmt->bindValue(1, $email);
$ok = $stmt->execute();
$results = $stmt->fetchAll(PDO::FETCH_ASSOC);
if ($results == 0) {
return true;
} else {
echo '<h1>something</h1>';
return false;
}
}
}
可能的原因是什么?另一个问题,相当于mysql_num_rows什么?对不起,我是pdo的新手
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