<?php require __DIR__ . '/vendor/autoload.php'; // 检查 Smarty 类是否存在 if (class_exists('Smarty')) { $smarty = new Smarty(); echo "Smarty loaded successfully! Version: " . Smarty::SMARTY_VERSION; } else { // 手动加载旧版 Smarty require_once __DIR__ . '/vendor/smarty/smarty/libs/Smarty.class.php'; $smarty = new Smarty(); echo "Smarty loaded manually! Version: " . $smarty::SMARTY_VERSION; }