🔧 modify site_url() type hint on docblocks

Signed-off-by: otengkwame <developerkwame@gmail.com>

Author: otengkwame

CodeIgniter/Framework/helpers/url_helper.php

@@ -57,8 +57,8 @@
 	 * Create a local URL based on your basepath. Segments can be passed via the
 	 * first parameter either as a string or an array.
 	 *
-	 * @param	string	$uri
-	 * @param	string	$protocol
+	 * @param	string|array $uri
+	 * @param	string $protocol
 	 * @return	string
 	 */
 	function site_url($uri = '', $protocol = null)