What best practices should be followed when troubleshooting PHP file permission issues?

When troubleshooting PHP file permission issues, it is important to ensure that the file and directory permissions are set correctly to allow the PHP script to read, write, and execute as needed. This can involve adjusting the permissions using chmod or chown commands in the terminal, or using an FTP client to modify permissions. It is also important to check the ownership of the files and directories to ensure they are set to the correct user and group.

// Example PHP code snippet to adjust file permissions
chmod("path/to/file.php", 0644);