If you are only concerned about creating a simple web application then there are no better options than Slim. It is a PHP micro-framework. Its have some great features with its minimalist features.HTTP request handling is much easier with a slim php framework.
Released in 2010
Developed and maintained by: Josh Lockhart, Rob Allen, Andrew Smith, and their team.
Companies: PayPal, Mailchimp, BBC America.
When to use: APIs, microservices, RESTful applications, and projects requiring a lightweight and flexible foundation.
PHP Requirement: 7.4+
Latest Version: v4.