How can I pass a variable from JSON to PHP? -


I am using JSON, which is to create some data on WordPress, which I store in PHP session variable There is a current setup here that I'm messing around but there is no luck: 

  jQuery (document) .ready (function ($) {$ .ajax ( {Url: 'url', type: 'post', datatype: 'jason', data: {foo: 145}, success: function (data) {console.log (data); alert (data);}}); });   
 and PHP:  
  session_start (); $ _SESSION ['bar'] = $ _POST ['foo'];   
 I can see the data in the console, but when I echo my shell, nothing will be displayed. Using wardump gives an empty array.  
 (I know that there are so many other questions like this, but believe me, I have tried all of them Nada.)  
 
 
  Answer:  You can not use JavaScript to store server side variables.  
 Do you want to save $ _SESSION var in PHP script that this AJAX call you have put url ?? In WordPress you can use JQuery to call a special hook which can hold that function. Php which handles all AJAX.  
 There is information everywhere about this, see the solution to this answer:

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