What are the potential security risks of giving PHP files CHMOD 777 permissions?

Giving PHP files CHMOD 777 permissions can pose a significant security risk as it allows anyone to read, write, and execute the file. This can potentially lead to unauthorized access, modification, or execution of the file by malicious users. To mitigate this risk, it is recommended to only give necessary permissions to PHP files, such as CHMOD 644 for read and write access by the owner, and read-only access for others.

// Set appropriate permissions for PHP files
chmod("example.php", 0644);