警告：使用未定义的常量内容 - 假定为“内容”

Question

有人告诉我错误在哪里。嗨，有人告诉我错误在哪里。嗨，有人告诉我错误在哪里。默认的.php<div class="container">      <div class="starter-template" style="padding-top: 100px;">        <?= content; ?>            </div>    </div>索引.php<?phprequire '../app/Autoloader.php';App\Autoloader::register(); if(isset($_GET['p'])){    $p = $_GET['p'];}else{    $p = 'home';}ob_start();if($p==='home'){    require '../pages/home.php';}elseif($p==='single'){    require '../pages/single.php';}$content=ob_get_clean();require '../pages/template/default.php';主页.php<h1> I am in home page </h1>

Answer 1

<?= content; ?>用。。。来代替 <?= $content; ?>