1<?php
2
3declare(strict_types=1);
4
5/**
6 * PSR-4 autoloader implementation for the DeviceDetector namespace.
7 * First we define the 'dd_autoload' function, and then we register
8 * it with 'spl_autoload_register' so that PHP knows to use it.
9 */
10
11/**
12 * Automatically include the file that defines <code>class</code>.
13 *
14 * @param string $class
15 *     the name of the class to load
16 *
17 * @return void
18 */
19function dd_autoload(string $class): void
20{
21    if (false === strpos($class, 'DeviceDetector\\')) {
22        return;
23    }
24
25    $namespaceMap = ['DeviceDetector\\' => __DIR__ . '/'];
26
27    foreach ($namespaceMap as $prefix => $dir) {
28        /* First swap out the namespace prefix with a directory... */
29        $path = str_replace($prefix, $dir, $class);
30        /* replace the namespace separator with a directory separator... */
31        $path = str_replace('\\', '/', $path);
32        /* and finally, add the PHP file extension to the result. */
33        $path .= '.php';
34        /* $path should now contain the path to a PHP file defining $class */
35        require $path;
36    }
37}
38
39spl_autoload_register('dd_autoload');
40