There is a way to take a snapshot with html5 webcam api and send by ajax to php server.
I really don't put code, because i don't know how to do it, I just have the basic: an html structue with the canvas and video element, the basic javascript template to show the webcam in the canvas, sorry about that, but really, really i don't know what to do, i mean what to code.
Please help me. Thanks