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<?php
namespace OAuth2;
/**
* Autoloads OAuth2 classes
*
* @author Brent Shaffer <bshafs at gmail dot com>
* @license MIT License
*/
class Autoloader
{
/**
* @var string
*/
private $dir;
/**
* @param string $dir
*/
public function __construct($dir = null)
{
if (is_null($dir)) {
$dir = dirname(__FILE__).'/..';
}
$this->dir = $dir;
}
/**
* Registers OAuth2\Autoloader as an SPL autoloader.
*/
public static function register($dir = null)
{
ini_set('unserialize_callback_func', 'spl_autoload_call');
spl_autoload_register(array(new self($dir), 'autoload'));
}
/**
* Handles autoloading of classes.
*
* @param string $class - A class name.
* @return boolean - Returns true if the class has been loaded
*/
public function autoload($class)
{
if (0 !== strpos($class, 'OAuth2')) {
return;
}
if (file_exists($file = $this->dir.'/'.str_replace('\\', '/', $class).'.php')) {
require $file;
}
}
}
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