Remove hash helper and use existing string helper instead

application/helpers/hash_helper.php

@@ -1,45 +0,0 @@
-<?php defined('BASEPATH') || exit('No direct script access allowed');
-/*
- * Copyright (c) 2011 Karsten Heiken, Eike Foken
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-/**
- * Helper for generating hash values.
- *
- * @package ScattPort
- * @subpackage Helpers
- * @author Karsten Heiken <karsten@disposed.de>
- */
-
-if (!function_exists('random_hash')) {
-	/**
-	 * Generates a pseudo-random SHA1-hash.
-	 *
-	 * @param integer $len
-	 * @return integer
-	 */
-	function random_hash($len = 40) {
-		return substr(sha1(rand(1,1000).now().rand(1001,2000)), 0, $len);
-	}
-}
-
-/* End of file MY_date_helper.php */
-/* Location: ./application/helpers/MY_date_helper.php */