// I HAVE AN ARRAY ->

Array = new Array();

Array[0]['id'] = 1 ;
Array[0]['foo'] = 'bar' ;
Array[1]['id'] = 2 ;
Array[1]['foo'] = 'bor' ;

// A SECOND VAR, JUST FOR TEST THE SENDING RESPONSE
test = 'test' ;

// I SEND IT WITH THE AJAX POST METHOD, ONLY THE TEST VAR IS SEND->

$.ajax({
   type: "POST",
   url: "some.php",
   data: { test: test, Array: Array },
   success: function(msg){
     alert( "Data Saved: " + msg );
   }
 });