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Direktori : /home/vacivi36/ava/admin/tool/brickfield/classes/local/htmlchecker/common/checks/ |
Current File : /home/vacivi36/ava/admin/tool/brickfield/classes/local/htmlchecker/common/checks/img_has_alt.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle 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 3 of the License, or // (at your option) any later version. // // Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>. namespace tool_brickfield\local\htmlchecker\common\checks; use tool_brickfield\local\htmlchecker\common\brickfield_accessibility_test; /** * Brickfield accessibility HTML checker library. * * All img elements must have an alt attribute. * * @package tool_brickfield * @copyright 2020 onward: Brickfield Education Labs, www.brickfield.ie * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class img_has_alt extends brickfield_accessibility_test { /** @var int The default severity code for this test. */ public $defaultseverity = \tool_brickfield\local\htmlchecker\brickfield_accessibility::BA_TEST_SEVERE; /** * The main check function. This is called by the parent class to actually check content. */ public function check(): void { foreach ($this->get_all_elements('img') as $img) { if (!$img->hasAttribute('alt') || ($img->getAttribute('alt') == '') || ($img->getAttribute('alt') == ' ')) { if (!($img->hasAttribute('role') && ($img->getAttribute('role') == 'presentation'))) { $this->add_report($img); } } } } }