gistfile1.php

<?php

function __autoload($class_name)
{
	$fileName  = '';
	if(strpos($class_name, "\\") === false) {
		$fileName = '/corename/app/classes' . DIRECTORY_SEPARATOR;
	}

	$className = ltrim($class_name, '\\');
	$namespace = '';
	if ($lastNsPos = strrpos($className, '\\')) {
		$namespace = substr($className, 0, $lastNsPos);
		$className = substr($className, $lastNsPos + 1);
		$fileName  = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
	}
	$fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
	$fileName = strtolower($fileName);


	if(file_exists(PROJECTROOT . $fileName)) 
	{

		require PROJECTROOT . $fileName;
	}
	else
	{
		return false;
	}
}