I'm planning to develop a multiplayer game that running on Linux server using PHP & MYSQL & Flash. Flash & PHP will be used for the front end, and I am thinking to use PHP as the back end or the game engine. Do you think I can use PHP as the backend / engine? It is a multiplayer game so the engine has to update and check players respond at least for every 5 secs. I am thinking to run a PHP script that doing loop every 5 secs as the engine.
Do you guys think I can rely on PHP to do the engine or I just use other method for the engine such as Java or shell scripting? I'm only familiar with PHP that's why I'm trying to use PHP for the engine. Please advise me about this matter, and if you guys have any solutions for this game engine let me know. I will appreciate it. Thanks.