so i'm trying post/update data in mysql table seems post data not being received. need getting post data output.
users.php
<form id="myform" method="post" action="" > <input hidden name="identifier" id="identifier" value="<?php echo $identifier; ?>" /> <input type="submit" name="submit" value="update" id="sub" class="btn btn-info pull-right"/> </form> actions/users_manage.php
$db = new pdo('mysql:host=127.0.0.1;dbname=db_name', 'db_user', 'db_pass'); $identifier = htmlspecialchars($_post['identifier']); if(isset($_post['submit'])){ try { $stmt = $db->prepare("update users set identifier=:identifier identifier=:identifier"); $stmt->execute([':identifier' => $identifier]); } catch (exception $e) { echo 'caught exception: ', $e->getmessage(), "\n"; } die(); } actions/users_manage.js
$(document).ready(function(){ $('#myform').submit(function(){ var data = $(this).serialize(); $.ajax({ url: "actions/users_manage.php", type: "post", data: data, success: function( data ) { alert( data ); }, error: function(){ alert('error'); } }); return false; }); }); when try adding var_dump($_post) users_manage.php above if(isset) displays array(0){}, processing working. it's not receiving post data, please :) appreciated!
when add users_manage.php:
var_dump($_post['identifier']); it displays alert "null".
so turns out, needed change var data = $(this).serialize(); var data = $(this).serialize(); manages work.
working ajax:
$(document).ready(function(){ $('#myform').submit(function(){ data = $(this).serialize(); // alert(data); $.ajax({ url: "actions/users_manage", type: "post", data: data, success : function(){ alert(data); }, error : function(){ alert('error'); } }); return false; }); }); 