PHP & PhonePe Payment Gateway Integration

I need an expert in PHP and payment gateway integration to connect the PhonePe payment system with my PHP backend server. The controller has already been created, so the task primarily revolves around the integration process.

Key Requirements:
- Integrate PhonePe payment system for payment collection
- Expert understanding of PHP and payment gateway integration
- Previous experience with PhonePe is a plus

Skills Needed:
- PHP
- Payment Gateway Integration
- PhonePe Integration
- Backend Development
- Payment Collection Systems