How to debug PHP files

I wrote an index. php file. after entering the url address in the browser, nothing is displayed and there is no error reminder. How can I debug it? I wrote an index. php file. after entering the url address in the browser, nothing is displayed and there is no error reminder. How can I debug it?

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I wrote an index. php file. after entering the url address in the browser, nothing is displayed and there is no error reminder. How can I debug it?

If you confirm that the index has been reached. in php (index. php output at the beginning), but there is no response. You can check whether the status code of the page request is 404 or 500 (if the framework is used, the 500 probability is relatively high and the debugging mode is not enabled, the error is estimated to be hidden .)

ini_set("display_errors", "On");error_reporting(E_ALL | E_STRICT);

Try

If it is a relatively complete system, we recommend that you debug the logic through log. You can also directly debug the program through breakpoints.

To solve this problem, check nginx. log phperror. log to see if the program is correct.

Directly in index. php's first line,
echo 1; die;If there is output, it indicates that there is a problem with the subsequent code. You can output one row until 1 is not output.
It is estimated that the landlord should be a smart function, or the method should be named again.

Do you think too much about the upstairs,
The author said it would be an index. php
It is estimated that it is an environment problem and the php issue is resolved.

Is Thinphp core introduced ?, If both are introduced, install php and tomcat to start. You can output phpinfo () in IndexController to see the error message.