Question

我需要从数据库表中提取所有行并循环遍历每个行以找到与Msisdn和Password匹配的行？请帮帮我们......

        $state = $this->conn->prepare($sql);
        $state->execute();
        $userRow = $state->fetchAll();
        foreach($userRow as $dataObj) {
            if($userData['msisdn'] === $dataObj['Msisdn']) {
                if($userData['userpass'] === $dataObj['Password']) {
                    $_SESSION['user_id'] = $dataObj['id'];
                    if($_SESSION['user_id'] == true) {
                        echo "You're logged in...";
                    } else {
                        return false;
                    }
                } else {
                    echo "<font color='red'>" . "{$error} <b>Incorrect PIN</b>. Please enter again, you have <b>2 attempts</b> remaining." . "</font><br><br>";
                    echo "<font color='slateGrey'>contact us on <a>086 000 3344</a> to register or request a </font><a target='_blank' href='support@example.co.za'>callback.</a>";
                    return false;
                    exit();
                }
            } else {
                echo "<font color='red'>" . "{$error} User not found... Please contact your service provider..." . "</font><br><br>";
                echo "<font color='slateGrey'>either call on <a>086 000 3344</a> or request</font> <a href='support@example.co.za'>callback.</a>";
                return false;
                exit();
            }
            return false;
        }

Answer 1

使用数据库的全部意义在于您无需执行此操作！这就是为什么RDBMS为SELECT语句提供WHERE子句的原因。如果您已正确索引表，则RDBMS只需查找几行即可找到匹配的条目（如果可用）。所以你不必编写所有这些代码。自己。

$password = hashing_fuciont($dataObj['Password']);  /* you are hashing the password aren't you? */

$stmt = $state->prepare("SELECT * FROM users where username=? password=?")
$stmt->execute( array("username"=>$username, "password"=>$password));
$userRow = $state->fetchAll();

如何从数据库表中检索所有行并循环遍历每一行以匹配密码PHP

1 个答案: