get last inserted id in pdo php code example

Example 1: php pdo last insert id

$stmt = $db->prepare("...");
$stmt->execute();
$id = $db->lastInsertId();

Example 2: get last inserted id in php

Example (MySQLi Procedural)
$last_id = mysqli_insert_id($conn);

Example 3: get last insert id pdo

$(document).ready(function(){
$.ajax({ url: "database/update.html",
        context: document.body,
        success: function(){
           alert("done");
        }});
});