我在wp_debug切换后得到了这个
Notice: Undefined index: enabled in /home/bhrmwgng/public_html/metasyfe.com/wp-content/plugins/above-the-fold-optimization/includes/localizejs.class.php on line 123
Warning: Cannot modify header information - headers already sent by (output started at /home/bhrmwgng/public_html/metasyfe.com/wp-content/plugins/above-the-fold-optimization/includes/localizejs.class.php:123) in /home/bhrmwgng/public_html/metasyfe.com/wp-includes/pluggable.php on line 1207
答案 0 :(得分：0)
从WordPress版本2.5开始，将WP_DEBUG设置为true还会将错误报告级别提升为E_ALL，并在使用不推荐使用的函数或文件时激活警告;否则，WordPress将错误报告级别设置为E_ALL ^ E_NOTICE ^ E_USER_NOTICE。
这会导致此错误消息显示注意和警告级别。