PHP运行出现Notice : Use of undefined constant 的解决方法

修改程序时，提示Notice : Use of undefined constant ，通过下面的方法解决了，最好是error_reporting(0);不需要更改配置。 Notice: Use of undefined constant ALL_PS - assumed 'ALL_PS' in E:\Server\vhosts\www.lvtao.net\global.php on line 50 Notice: Undefined index: EaseTemplateVer in E:\Server\vhosts\www.lvtao.net\libs\template.core.php on line 51 Notice: Use of undefined constant uid - assumed 'uid' in E:\Server\vhosts\www.lvtao.net\global.php on line 54 Notice: Undefined index: uid in E:\Server\vhosts\www.lvtao.net\global.php on line 54 Notice: Use of undefined constant cuid - assumed 'cuid' in E:\Server\vhosts\www.lvtao.net\global.php on line 55 Notice: Undefined index: cuid in E:\Server\vhosts\www.lvtao.net\global.php on line 55 Notice: Use of undefined constant shell - assumed 'shell' in E:\Server\vhosts\www.lvtao.net\global.php on line 56 Notice: Undefined index: shell in E:\Server\vhosts\www.lvtao.net\global.php on line 56 Notice: Use of undefined constant cshell - assumed 'cshell' in E:\Server\vhosts\www.lvtao.net\global.php on line 57 Notice: Undefined index: cshell in E:\Server\vhosts\www.lvtao.net\global.php on line 57 Notice: Use of undefined constant username - assumed 'username' in E:\Server\vhosts\www.lvtao.net\global.php on line 58 Notice: Undefined index: username in E:\Server\vhosts\www.lvtao.net\global.php on line 58 Notice: Use of undefined constant cusername - assumed 'cusername' in E:\Server\vhosts\www.lvtao.net\global.php on line 59 Notice: Undefined index: cusername in E:\Server\vhosts\www.lvtao.net\global.php on line 59 Notice: Use of undefined constant id - assumed 'id' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 10 Notice: Use of undefined constant id - assumed 'id' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 14 Notice: Use of undefined constant content - assumed 'content' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 16 Notice: Use of undefined constant content - assumed 'content' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 16 Notice: Use of undefined constant description - assumed 'description' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 17 Notice: Use of undefined constant description - assumed 'description' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 17 Notice: Use of undefined constant provinceid - assumed 'provinceid' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 18 Notice: Use of undefined constant cityid - assumed 'cityid' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 19 Notice: Use of undefined constant hy - assumed 'hy' in E:\Server\vhosts\www.lvtao.net\companyjob.php on line 20 Notice: Undefined variable: content in E:\Server\vhosts\www.lvtao.net\libs\template.core.php on line 557

进入网站会出现大量类似下面的提示，但是可以正常显示和运行 Notice: Use of undefined constant ctbTitle - assumed 'ctbTitle' in d:\ctb1.5\ctb\include\config.php on line 23...

b答案：这些是 php 的提示而非报错，php 本身不需要事先声明变量即可直接使用，但是对未声明变量会有提示。一般作为正式的网站会把提示关掉的，甚至连错误信息也被关掉

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搜索php.ini： error_reporting = E_ALL 改为： error_reporting = E_ALL & ~E_NOTICE 还有个不是办法的办法就是

在每个文件头上加 error_reporting(0); 虽然不好弄但是可以解决问题。这个比较好用。