<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based photo gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | // +-----------------------------------------------------------------------+ // | 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 | // | | // | 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | // | USA. | // +-----------------------------------------------------------------------+ /** * @package functions\picture */ /** * Returns slideshow default params. * - period * - repeat * - play * * @return array */ function get_default_slideshow_params() { global $conf; return array( 'period' => $conf['slideshow_period'], 'repeat' => $conf['slideshow_repeat'], 'play' => true, ); } /** * Checks and corrects slideshow params * * @param array $params * @return array */ function correct_slideshow_params($params=array()) { global $conf; if ($params['period'] < $conf['slideshow_period_min']) { $params['period'] = $conf['slideshow_period_min']; } else if ($params['period'] > $conf['slideshow_period_max']) { $params['period'] = $conf['slideshow_period_max']; } return $params; } /** * Decodes slideshow string params into array * * @param string $encode_params * @return array */ function decode_slideshow_params($encode_params=null) { global $conf; $result = get_default_slideshow_params(); if (is_numeric($encode_params)) { $result['period'] = $encode_params; } else { $matches = array(); if (preg_match_all('/([a-z]+)-(\d+)/', $encode_params, $matches)) { $matchcount = count($matches[1]); for ($i = 0; $i < $matchcount; $i++) { $result[$matches[1][$i]] = $matches[2][$i]; } } if (preg_match_all('/([a-z]+)-(true|false)/', $encode_params, $matches)) { $matchcount = count($matches[1]); for ($i = 0; $i < $matchcount; $i++) { $result[$matches[1][$i]] = get_boolean($matches[2][$i]); } } } return correct_slideshow_params($result); } /** * Encodes slideshow array params into a string * * @param array $decode_params * @return string */ function encode_slideshow_params($decode_params=array()) { global $conf; $params = array_diff_assoc(correct_slideshow_params($decode_params), get_default_slideshow_params()); $result = ''; foreach ($params as $name => $value) { // boolean_to_string return $value, if it's not a bool $result .= '+'.$name.'-'.boolean_to_string($value); } return $result; } ?>