Add headers, form data options when upload snap.

[t-walker-wei]

Add form data, request headers when upload snap.
Call: Webcam.upload(image_data_uri, target_url, post_data, callback, headers)
post_data and headers are js objects and optional.

[bgxerjoe]

in Laravel you must add csrf_token() to prevent page expired (419 error)

function saveSnap(){
var base64image = document.getElementById("imageprev").src;
Webcam.upload( base64image, 'url',{ _token: "{{csrf_token()}}"}, function(code, text) {
document.getElementById("id_image").value = text;
});
} #