Delete Descriptions when deleting program (+ more)

www/protected/components/MsHelper.php

@@ -36,4 +36,22 @@ class MsHelper {
 
 		return (substr($haystack, -$length) === $needle);
 	}
+
+	public static function deleteDir($dirPath) {
+		if (! is_dir($dirPath)) {
+			throw new InvalidArgumentException("$dirPath must be a directory");
+		}
+		if (substr($dirPath, strlen($dirPath) - 1, 1) != '/') {
+			$dirPath .= '/';
+		}
+		$files = glob($dirPath . '*', GLOB_MARK);
+		foreach ($files as $file) {
+			if (is_dir($file)) {
+				self::deleteDir($file);
+			} else {
+				unlink($file);
+			}
+		}
+		rmdir($dirPath);
+	}
 }