/**
* Register the PEAR2 autoload class with spl_autoload_register
*
* @return void
*/
protected static function register()
{
if (!self::$registered) {
// set up __autoload
$autoload = spl_autoload_functions();
spl_autoload_register('PEAR2\\Autoload::load');
if (function_exists('__autoload') && $autoload === false) {
// __autoload() was being used, but now would be ignored, add
// it to the autoload stack
spl_autoload_register('__autoload');
}
}
self::$registered = true;
}
/**
* Add a classname-to-file map
*
* @param string $mapfile The filename of the classmap
*
* @return void
*/
protected static function addMap($mapfile)
{
if (!in_array($mapfile, self::$maps)) {
// keep track of specific map file loaded in this
// instance so we can update it if necessary
self::$mapfile = $mapfile;
if (file_exists($mapfile)) {
$map = (include $mapfile);
if (is_array($map)) {
// mapfile contains a valid map, so we'll keep it
self::$maps[] = $mapfile;
self::$map = array_merge(self::$map, $map);
}
}
}
}
