Customise any php social network script

hello , i want someone to modify any PHP social network script i want to build a website will have the following : user can register and add his best movies to the website ( only information about movies ) or selected from suggestion , then other users who search about that movies can see all who love it , and he can see their profile and all details , it's a social network so from the website i can meet new friends who watched xzxzxzxz movies and i can make relation with them base on their best movies , Search engine is required ( by country , movies , age , gender ) if there is any open source script and you are going to customise it i will accept ,