**一.配置方法** #php.ini ``` error_reporting = E_ALL ```   **二.恢复旧设置** #屏蔽已弃用错误、提示错误、语法严格性检测 ``` E_ALL & ~E_DEPRECATED & ~E_STRICT & ~E_NOTICE ```   **三.屏蔽所有错误** ``` display_errors = Off ```   **四.配置生效** ``` pkill -USR2 php-fpm ```