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56 lines
2.0 KiB
PHP
56 lines
2.0 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle 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 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Minimalistic library, usable even when no other moodle libs are loaded.
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*
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* The only library that gets loaded if you define ABORT_AFTER_CONFIG
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* before including main config.php. You can resume normal script operation
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* if you define ABORT_AFTER_CONFIG_CANCEL and require the setup.php
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*
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* @package moodlecore
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* @copyright 2009 petr Skoda (skodak)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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/**
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* Minimalistic parameter validation function.
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* Can not use optional param because moodlelib.php is not loaded yet
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* @param string $name
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* @param mixed $default
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* @param string $type
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* @return mixed
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*/
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function min_optional_param($name, $default, $type) {
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$value = $default;
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if (isset($_GET[$name])) {
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$value = $_GET[$name];
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} else if (isset($_GET['amp;'.$name])) {
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// very, very, very ugly hack, unforunately $OUTPUT->old_icon_url() is not used properly in javascript code :-(
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$value = $_GET['amp;'.$name];
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}
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switch($type) {
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case 'INT': $value = (int)$value; break;
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case 'SAFEDIR': $value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); break;
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case 'SAFEPATH': $value = preg_replace('/[^a-zA-Z0-9\/_-]/', '', $value); break;
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default: die("Coding error: incorrent parameter type specified ($type).");
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}
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return $value;
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}
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