Are there any best practices or recommendations for managing file permissions in PHP applications?

When managing file permissions in PHP applications, it is important to follow best practices to ensure security and prevent unauthorized access to sensitive files. One common recommendation is to set appropriate permissions for files and directories, such as restricting write access to only necessary files and directories. Additionally, it is advisable to regularly review and update file permissions to maintain security.

// Set appropriate file permissions
chmod("/path/to/file.txt", 0644);

// Set appropriate directory permissions
chmod("/path/to/directory", 0755);