/**
* Loads a class from a PHP file. The filename must be formatted
* as "$class.php".
*
* @param string $class
* @return void
* @throws RuntimeException
*/
public static function loadClass($class)
{
if (class_exists($class, false) || interface_exists($class, false)) {
return;
}
if (!self::$basePath) {
self::$basePath = realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR . '..') . DIRECTORY_SEPARATOR;
}
$file = str_replace('_', DIRECTORY_SEPARATOR, $class) . '.php';
$pathName = self::$basePath . $file;
if (!is_file($pathName)) {
throw new RuntimeException('Unable to load class "' . $class . '" as file "' . $file . '" does not exist.');
}
if (!@is_readable($pathName)) {
throw new RuntimeException('Unable to load class "' . $class . '" as file "' . $file . '" is not readable.');
}
require $pathName;
if (!class_exists($class, false) && !interface_exists($class, false)) {
throw new RuntimeException('File "' . $file . '" was loaded but class "' . $class . '" was not found in the file.');
}
}
