Question

我正在尝试包含一个头文件，但它不能像这样工作：

<?php
include 'includes/header.php';
?>

这就是我在页面上的内容，我在网站的每一页上都收到了这个错误：

注意：未定义索引：在第14行登录C：\ xampp \ htdocs \ deWaai \ includes \ header.php

这是header.php中的代码：

<!DOCTYPE html>
<html>

<?php
    include 'head.php';
?>

<body>
<div>

<?php
include "./functions/connection.php";
//kijken of de gebruiker is ingelogd
if($_SESSION['logged'] == 1) {
    //admin
    if($_SESSION['userlevel'] == 1) {
        include 'includes/adminmenu.php';
    //medewerker
    } elseif ($_SESSION['userlevel'] == 2) {
        include 'includes/medewerkermenu.php';
    //cursist
    } else {
        include 'includes/cursistmenu.php';
    }
} else {
    include 'includes/menu.php';
}
?>

</div>

head.php中的php代码：

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Zeilschool De Waai</title>
    <link rel="stylesheet" href="assets/bootstrap/css/bootstrap.min.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.3.1/css/swiper.min.css">
    <link rel="stylesheet" href="assets/css/styles.css">
    <link rel="stylesheet" href="assets/css/Navigation-Clean1.css">
    <link rel="stylesheet" href="assets/css/Navigation-with-Button1.css">
    <link rel="stylesheet" href="assets/css/Simple-Slider.css">
    <link rel="stylesheet" href="assets/fonts/ionicons.min.css">

    <script src="assets/js/jquery.min.js"></script>
    <script src="assets/bootstrap/js/bootstrap.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.3.1/js/swiper.jquery.min.js"></script>
    <script src="assets/js/Simple-Slider.js"></script>

</head>

我做错了什么，为什么我不能在我的网站上的所有页面上都包含header.php？任何形式的帮助表示赞赏我正在使用Xampp apache服务器。（deWaai是我项目的名称）（head和header.php都在我的include文件夹中，如下所示：htdocs - ＆gt; deWaai - ＆gt; includes＆gt;

感谢任何形式的帮助，thx

Answer 1

将header.php文件替换为：

<!DOCTYPE html>
<html>

<?php
    include 'head.php';
?>

<body>
<div>

<?php
include "./functions/connection.php";
//kijken of de gebruiker is ingelogd
if(isset($_SESSION['logged']) && $_SESSION['logged'] == 1) {
    //admin
    if($_SESSION['userlevel'] == 1) {
        include 'includes/adminmenu.php';
    //medewerker
    } elseif ($_SESSION['userlevel'] == 2) {
        include 'includes/medewerkermenu.php';
    //cursist
    } else {
        include 'includes/cursistmenu.php';
    }
} else {
    include 'includes/menu.php';
}
?>

</div>

在检查其值之前，请务必检查会话是否已设置，以防止出现类似错误。

我试图包含一个文件，但它不能在PHP中工作

1 个答案: