<?php 
$decode = json_decode($_POST['value'], TRUE);
$bdd = new PDO('mysql:host=localhost;dbname=ticket;charset:utf8', 'root', '');
$update = $bdd->query('UPDATE `logins` SET `pwd` = "' .$decode['pwd'] .'" WHERE `login` = "' .$decode['login'] .'"');

$traitement = $bdd->query("SELECT * FROM `logins` WHERE `login`= '" .$decode['login'] ."'");
print_r(json_encode($traitement->fetch()));
?>