What considerations should PHP developers keep in mind when moving their scripts to a new web hosting server to avoid permission-related problems?

When moving PHP scripts to a new web hosting server, developers should ensure that file permissions are set correctly to avoid permission-related problems. This includes making sure that files and directories have the appropriate read, write, and execute permissions for the web server to access them. Developers should also be aware of any differences in server configurations that may affect file permissions.

// Set file permissions to 644 for files and 755 for directories
chmod("/path/to/file.php", 0644);
chmod("/path/to/directory", 0755);