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Diffstat (limited to 'modules/gallery/helpers/random.php')
| -rw-r--r-- | modules/gallery/helpers/random.php | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/modules/gallery/helpers/random.php b/modules/gallery/helpers/random.php new file mode 100644 index 0000000..d40bfb5 --- /dev/null +++ b/modules/gallery/helpers/random.php @@ -0,0 +1,48 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2013 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +class random_Core { + /** + * Return a random 32 byte hash value. + * @param string extra entropy data + */ + static function hash($length=32) { + require_once(MODPATH . "gallery/vendor/joomla/crypt.php"); + return md5(JCrypt::genRandomBytes($length)); + } + + /** + * Return a random floating point number between 0 and 1 + */ + static function percent() { + return ((float)mt_rand()) / (float)mt_getrandmax(); + } + + /** + * Return a random number between $min and $max. If $min and $max are not specified, + * return a random number between 0 and mt_getrandmax() + */ + static function int($min=null, $max=null) { + if ($min || $max) { + return mt_rand($min, $max); + } + return mt_rand(); + } +}
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