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php - 使用登录调用未定义的函数 mysql_query()

转载 作者:可可西里 更新时间:2023-11-01 12:26:56 25 4
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<分区>

当我执行下面的 PHP 代码时,我遇到了一个 fatal error ,我不确定如何解决它。

谢谢你的帮助

错误

PHP Fatal error: Uncaught Error: Call to undefined function mysql_query() in /Applications/MAMP/htdocs/lprapp/config.php:23 Stack trace:#0 {main} thrown in /Applications/MAMP/htdocs/lprapp/config.php on line 23

代码

    <?php

$user = 'root';
$password = 'root';
$db = 'inventory';
$host = 'localhost';
$port = 8888;

$link = mysqli_init();
$success = mysqli_real_connect(
$link,
$host,
$user,
$password,
$db,
$port
);

?>
<?php
$username = $_POST['username'];
$password = $_POST['password'];
$sql = mysql_query("SELECT * FROM login WHERE username = '".$_POST['username']."' and password = '".md5($_POST['password'])."'");
$row = mysql_num_rows($sql);
if($rom > 0 )
{
session_start();
$_SESSION['username'] = $_POST['username'];
$_SESSION['password'] = $_POST['password'];
echo "login done";
}else {
echo "fail login ";
}

?>

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