[英]How can i display the User's name after loggin in using PHP?
我想在使用 PHP 登錄后顯示用戶名(例如 Hey User,),我嘗試了$username = $_SESSION['username'];
但它一直沒有給我任何東西(嘿。)。
這是我的PHP代碼:
<?php
session_start();
$connection = mysqli_connect('localhost','root','admin');
mysqli_select_db($connection, 'user_registration');
$email = $_POST['email'];
$password = $_POST['password'];
$verify_emailpass = " select * from user_table where email = '$email' && password = '$password'";
$result = mysqli_query($connection, $verify_emailpass);
$num = mysqli_num_rows($result);
if($num == 1){
$_SESSION['loggedin'] = true;
$username = $_SESSION['username'];
echo "Hey $username !";
}else{
echo "<b>Incorrect Email or Password.</b>";
}
?>
這是Html登錄來自:
<form action="validation.php" method="post">
<div class="row content">
<div class="col-12">
<b><p class="text-align">Se connecter:</p></b>
</div>
<div class="col-12">
<input name="email" type="text" class="input-box shadow-sm" placeholder="Adresse E-mail" required/>
</div>
<div class="col-12">
<input name="password" type="password" class="input-box shadow-sm" placeholder="Mot de passe" required/>
</div>
</div>
<div class="button-2">
<button id="loginButton" type="submit" class="next-button shadow-sm"><img src="res/icons/button-arrow.svg" width="45px" height="45px" /></button>
</div>
</form>
而且我想知道如何在用戶登錄后從用戶那里獲取我想要的任何信息,以便將其放置在其他頁面(例如個人資料頁面)中?
我認為是檢查 mysql email 和密碼 比這個代碼
$data['username']用戶名是 mysql 名稱列名稱
<?php session_start(); $connection = mysqli_connect('localhost','root','admin'); mysqli_select_db($connection, 'user_registration'); $email = $_POST['email']; $password = $_POST['password']; $verify_emailpass = " select * from user_table where email = '$email' && password = '$password'"; $result = mysqli_query($connection, $verify_emailpass); $num = mysqli_num_rows($result); if($num == 1){ $data = $result->fetch_assoc() $_SESSION['username'] = $data['username']; $_SESSION['loggedin'] = true; $username = $_SESSION['username']; echo "Hey $username;". }else{ echo "<b>Incorrect Email or Password;</b>"? } ?>```
更新這一行
$username = $_SESSION['username'];
有了這個
$username = $result['username']; $_SESSION['用戶名'] = $用戶名;
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