1<?php
2
3/**
4 * PSR-4 autoloader implementation for the MaxMind\DB namespace.
5 * First we define the 'mmdb_autoload' function, and then we register
6 * it with 'spl_autoload_register' so that PHP knows to use it.
7 *
8 * @param mixed $class
9 */
10
11/**
12 * Automatically include the file that defines <code>class</code>.
13 *
14 * @param string $class
15 *                      the name of the class to load
16 */
17function mmdb_autoload($class)
18{
19    /*
20    * A project-specific mapping between the namespaces and where
21    * they're located. By convention, we include the trailing
22    * slashes. The one-element array here simply makes things easy
23    * to extend in the future if (for example) the test classes
24    * begin to use one another.
25    */
26    $namespace_map = ['MaxMind\\Db\\' => __DIR__ . '/src/MaxMind/Db/'];
27
28    foreach ($namespace_map as $prefix => $dir) {
29        /* First swap out the namespace prefix with a directory... */
30        $path = str_replace($prefix, $dir, $class);
31
32        /* replace the namespace separator with a directory separator... */
33        $path = str_replace('\\', '/', $path);
34
35        /* and finally, add the PHP file extension to the result. */
36        $path = $path . '.php';
37
38        /* $path should now contain the path to a PHP file defining $class */
39        if (file_exists($path)) {
40            include $path;
41        }
42    }
43}
44
45spl_autoload_register('mmdb_autoload');
46