Send JavaScript variables from a js file to a PHP file

Question

I need to send variables (username+password) from a js function inside a .js file, to a PHP file, and store them inside the file.

I tried to use ajax but it doesn't work for me:

function func(){
var user = ...
var pass = ...
$.ajax({
  type:"POST",
  url:"myphp.php",
  data: user,
  success: function(){
      alert("success!");
  },
  error: function(){
      alert("error!")
  }
});
}

when I open the PHP file I see nothing.

EDIT: my problem is much more basic. My ajax code just doesn't run inside the function. I have a .js file that contains only one function (the function above) and the ajax code doesn't get executed. I get no success nor error messages.

Answer 1

You need to pass the data to jQuery like this:

$.ajax({
  type:"POST",
  url:"myphp.php",
  data: {user: user, password: pass},
  success: function(data){
      alert(data);
  }
});

PHP won't have any problems parsing this, since jQuery automatically sends it in application/x-www-form-urlencoded . If you need to send JSON and have PHP read JSON, then that's a different story.