Upgrading to PHP 8.4? How to Fix the `session.sid_length` Deprecation Warning

Encountering `session.sid_length` and `session.sid_bits_per_character` deprecation warnings after upgrading to PHP 8.4 or newer? This is a core PHP configuration change, not a framework-specific issue (like in Yii2). This article dives into the root cause and provides a step-by-step guide to update your `php.ini` file, helping you fix the warnings and ensure your session management is secure and future-proof.