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