website script in php for online conference with members

I want script in PHP for my website. its main features includes 1- Conference room like chat room can connect 20 persons at a time with screen shares webcam and voice chat. 2- Members dashboard. 3- Advertisement portal. 4- Post detailing about any topics. 5- Help and online support. 6- Affiliate section. 7- Payment section. 8- 5 star rating sections. Above description is just for reference so you can take idea of my requirement, perfect web draft and checklist I will send to selected bidder. Payment Term 25% milestone will be made for start working. 75% milestone will be made when you informed that deliverable is ready for checking. Both milestone will be release after checking your complete work. I will take 10 days for checking your script completely. If you are not agree with all terms please don't bid...