Summary of problems that cause ThinkPHP to report errors when debugging mode is turned off, thinkphp reports_PHP tutorial

A summary of solving the problem of error when ThinkPHP closes debugging mode, thinkphp reports

Case 1:

I recently developed a project using ThinkPHP. After the local development and testing was completed and uploaded to the server, it opened normally for the first time. However, when I refreshed the page, the error "Page debugging error, cannot find the page, please try again" appeared.

I am depressed. It is clear that the local setting define('APP_DEBUG', false) runs without any problems, but why does it go wrong when I put it on the server?

baidu, Google still hasn’t found a solution, and suddenly found that the project APP_Name/Runtime/Cache directory and APP_Name/Runtime/Logs directory did not have writable permissions, so I changed it decisively, F5, oh well, mom no longer has to worry about error messages. La!

Case 2:

ThinkPHP encountered a problem similar to the following after setting the APP_DEBUG constant to false:

Copy code The code is as follows:
Parse error: syntax error, unexpected T_STRING in E:PHPnowhtdocsojbakRuntime~app.php on line 1

Or directly report "server error", what should I do?
This is related to PHP, modify the configuration in php.ini

Copy code The code is as follows:
short_open_tag = On

Because of the build method in app.class.php:
When the debugging mode is turned on, the contents of the relevant files will be obtained and then reassembled into files. At this time,
will be added automatically. That’s the ~app.php file you see
But when you don't turn on the debugging mode, the relevant files will be loaded every time, so your errors will be exposed.

Case 3:

After setting APP_DEBUG to false in thinkphp, data queries (select, find, etc.) always display the first item. . But after setting APP_DEBUG to true, it becomes normal. . why is that? Is there any solution?

Normally speaking, APP_DEBUG is debugging mode. When placed in an online environment, try to set it to false. .

Find a select query yourself, and with debug turned off, use writing files to debug the SQL generated after the query.

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