The php file in the server cannot be run

With the continuous development and popularization of Internet technology, Web development has become an indispensable part of people's work and life. As a server-side scripting language, PHP is widely used in the field of web development and is used by many websites. However, in actual development, sometimes we encounter situations where the PHP file in the server cannot run normally. At this time, we need to carefully troubleshoot the problem and solve it.

1. Modify the PHP.ini file

When solving the problem that the PHP file cannot run on the server, you first need to check whether the PHP configuration file is normal. The PHP configuration file is configured by the PHP.ini file, so if there is a problem with the PHP.ini file, the PHP file may not run properly. Here are some possible reasons for problems with the PHP.ini file:

1. Wrong path to the PHP.ini file.
2. The parameter settings in the PHP.ini file are incorrect.
3. The PHP.ini file does not have permission to access.

The methods to solve these problems are as follows:

1. Confirm whether the PHP.ini file path is correct. You can use the following command in the terminal or command line window to find the path of the PHP.ini file:

php --ini

Find the PHP.ini file based on the output results, and check whether the file path is correct.

2. Configure PHP.ini file parameters. You can modify the parameters in the PHP.ini file according to actual needs, for example:

max_execution_time = 60 memory_limit = 128M post_max_size = 50M upload_max_filesize = 50M

After modification, save the file and restart the server.

3. Confirm whether the PHP.ini file has access permissions. You can use the following command to view file permissions:

ls -l /path/to/php.ini

Confirm whether you have read and write permissions. If not, you can use the following command to change the file permissions:

chmod 644 /path/to/php.ini

2. Check PHP program syntax

When a PHP file does not run properly, it may be because there are syntax errors in it. You can check whether the syntax of the PHP file is correct by the following method:

php -l /path/to/file.php

If an error message similar to "Errors parsing /path/to/file.php" is output, it means that there is a syntax error in the file and needs to be modified. Rerun.

3. Check the Web server configuration

If the PHP.ini file and PHP program syntax are correct, but the PHP file still cannot run normally, you can consider checking whether the Web server configuration is correct. For different web servers, the configuration method may be different. Here is the Apache server as an example:

1. Check whether the PHP module is enabled on the Apache server. You can use the following command to view:

apache2ctl -M | grep php

If there is no output, it means that the PHP module is not enabled. You can enable the module using the following command:

sudo a2enmod php7.2

Then restart the Apache server.

2. Confirm whether the Apache server forwards PHP requests to the correct processor for processing. You can check the configuration file httpd.conf of the Apache server to confirm whether the following content exists:

 SetHandler application/x-httpd-php 

If not, you need to manually add it and restart the Apache server.

3. Confirm whether the Apache server has permission to execute PHP files. You can use the following command to check:

ls -l /usr/bin/php

Confirm whether you have execution permissions. If not, you can use the following command to change the permissions:

chmod +x /usr/bin/php

4. Summary

Server The PHP file in the file cannot run normally, which may cause inconvenience and impact on web development, so we need to carefully troubleshoot the problem and solve it in time. This article introduces some methods to troubleshoot the problem that PHP files cannot run on the server, including modifying the PHP.ini file, checking PHP program syntax, checking Web server configuration, etc. We hope that these methods can help readers efficiently solve the problem of PHP files that cannot run.

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