我对这一切都很陌生,但我确实知道相当数量的 HTML/CSS。我想创建一个登录服务器,我从视频中获得了大部分代码。如果有人可以帮助我并彻底解释,以便我理解,将不胜感激。如果需要任何其他东西,我会很乐意发布。
<?php
require_once 'includes/constants.php';
class Mysql {
private $conn;
function _construct() {
$this->conn = new mysqli(DB_SERVER, DB_USER, DB_PASSWORD, DB_NAME) or die('There was a problem connecting to the database.');
}
function verify_Username_and_Pass($un, $pwd) {
$query = "SELECT *
FROM users
WHERE username = ? AND password = ?
LIMIT 1";
if($stmt = $this->conn->prepare($query)) {
$stmt->bind_param('ss', $un, $pwd);
$stmt->execute();
if($stmt->fetch()) {
$stmt->close();
return true;
}
}
}
}