Removed string generation functions from this file, and instead included the file that contains them

result.php

@@ -1,33 +1,7 @@
 <?php
 session_start();
 require_once 'db.inc.php';
-
-function gen_base62_rand_shortlink($len) {
-	$rand_bytes = random_bytes(intval(($len * 2) / 3));
-        $rand_string = base64_encode($rand_bytes);
-	$rand_string = str_replace("+","",$rand_string);
-        $rand_string = str_replace("/","",$rand_string);
-        $rand_string = str_replace("=","",$rand_string);
-
-	if (mb_strlen($rand_string) < $len) {
-		$curlen = mb_strlen($rand_string);
-		$rand_string = $rand_string . gen_rand_shortlink($len - $curlen);
-	}
-
-	return $rand_string;
-}
-
-function gen_rand_shortlink($len) {
-	$to_return = '';
-	$possible_chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
-	while (mb_strlen($to_return) < $len) {
-		$to_return = $to_return . $possible_chars[rand(0, mb_strlen($possible_chars)-1)];
-	}
-
-	return $to_return;
-
-}
-
+require_once 'rand_string.inc.php';
 
 ini_set('display_errors', 1);