Answers for "how to get post objetc in php send by ajax"

ajax jquery post php

$.ajax({

   url     : "file.php",
   method  : "POST",

       data: { 
         //key                      :   value 
         action                   	:   action , 
         key_1   					:   value_key_1,
         key_2   					:   value_key_2
       }
   })

   .fail(function() { return false; })
	// Appel OK
   .done(function(data) {

   console.log(data);

 });

javascript ajax post send an object

function postAjax(url, data, success) {    var params = typeof data == 'string' ? data : Object.keys(data).map(            function(k){ return encodeURIComponent(k) + '=' + encodeURIComponent(data[k]) }        ).join('&');
    var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");    xhr.open('POST', url);    xhr.onreadystatechange = function() {        if (xhr.readyState>3 && xhr.status==200) { success(xhr.responseText); }    };    xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');    xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');    xhr.send(params);    return xhr;}
// example requestpostAjax('http://foo.bar/', 'p1=1&p2=Hello+World', function(data){ console.log(data); });
// example request with data objectpostAjax('http://foo.bar/', { p1: 1, p2: 'Hello World' }, function(data){ console.log(data); });