PHP框架性能优化:代码优化技巧

foreach ($users as $user) { if ($user->isAdmin()) { $admin = $user; break; // 找到后立即终止 }}二、缓存策略实施多级缓存机制结合OPcache、Redis等实现分层缓存：// OPcache加速PHP执行opcache_compile_file('heavy_computation.php');// Redis缓存数据库查询$redis = new ...