jquery gets the value of the checkbox and submits it_jquery

$data = $_POST['data'];
$arr = json_decode($data);
var_dump($arr);
$a = array(1,2,3,4);
foreach($a as $v){
?>

}
?>


<script><br> $('.but_delet_choice').click(function(){<br>                            //Get checkboxes other than all selections<br>         var $check_boxes = $("input[name='checkbox']:checked");<br>             if($check_boxes.length<=0){<br /> alert('You have not checked, please check!');<br />              return;<br /> }<br />          var array = new Array();<br />           $check_boxes.each(function(){<br />             var array_push = new Array();<br />               array_push.push($(this).val());<br />               array_push.push(2);<br />               array.push(array_push);<br />          })<br />          $.post(<br />               'test1.php',<br />                 {<br />                  data: JSON.stringify(array)<br />             }<br /> );<br />          return false;<br /> });<br /> </script>

array(4) {
[0]=>
array(2) {
[0]=>
String(1) "1"
[1]=>
int(2)
}
[1]=>
array(2) {
[0]=>
String(1) "2"
[1]=>
int(2)
}
[2]=>
array(2) {
[0]=>
String(1) "3"
[1]=>
int(2)
}
[3]=>
array(2) {
[0]=>
String(1) "4"
[1]=>
int(2)
}
}