php jquery input array add

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17 Apr 2016
1<!DOCTYPE html>
2<html lang="en">
3  <head>
4    <meta charset="UTF-8">
5    <meta name="viewport" content="width=device-width, initial-scale=1.0">
6    <title>Document</title>
7  </head>
8  <body>
9    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
10    <script>
11      $(document).ready(function() {
12          var max_fields = 10;
13          var wrapper = $(".container1");
14          var add_button = $(".add_form_field");
15      
16          var x = 1;
17          $(add_button).click(function(e) {
18              e.preventDefault();
19              if (x < max_fields) {
20                  x++;
21                  $(wrapper).append('<div><input type="text" name="array[]"/><a href="#" class="delete">Delete</a></div>'); //add input box
22              } else {
23                  alert('You Reached the limits')
24              }
25          });
26      
27          $(wrapper).on("click", ".delete", function(e) {
28              e.preventDefault();
29              $(this).parent('div').remove();
30              x--;
31          })
32      });
33    </script>
34    <?php
35      $a=$_POST['array'];
36      if ($a) {
37      ?>
38    <pre>
39<?=json_encode($a);?>
40</pre>
41    <? die; } ?>
42    <form action="?" method="POST">
43      <div class="container1">
44        <button class="add_form_field">Add New Field &nbsp; 
45        <span style="font-size:16px; font-weight:bold;">+ </span>
46        </button><br>
47        <input type="text" name="array[]"><br>
48      </div>
49      <input type="submit" name="submit">
50    </form>
51  </body>
52</html>