meta/db-reader/autoload.php

48 lines
1.4 KiB
PHP

<?php
declare(strict_types=1);
/**
* PSR-4 autoloader implementation for the MaxMind\DB namespace.
* First we define the 'mmdb_autoload' function, and then we register
* it with 'spl_autoload_register' so that PHP knows to use it.
*
* @param mixed $class
*/
/**
* Automatically include the file that defines <code>class</code>.
*
* @param string $class
* the name of the class to load
*/
function mmdb_autoload($class): void
{
/*
* A project-specific mapping between the namespaces and where
* they're located. By convention, we include the trailing
* slashes. The one-element array here simply makes things easy
* to extend in the future if (for example) the test classes
* begin to use one another.
*/
$namespace_map = ['MaxMind\\Db\\' => __DIR__ . '/src/MaxMind/Db/'];
foreach ($namespace_map as $prefix => $dir) {
// First swap out the namespace prefix with a directory...
$path = str_replace($prefix, $dir, $class);
// replace the namespace separator with a directory separator...
$path = str_replace('\\', '/', $path);
// and finally, add the PHP file extension to the result.
$path = $path . '.php';
// $path should now contain the path to a PHP file defining $class
if (file_exists($path)) {
include $path;
}
}
}
spl_autoload_register('mmdb_autoload');