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📄 a_links_dont_open_new_window.php(2.68 KB)
📄 a_must_contain_text.php(2.18 KB)
📄 a_suspicious_link_text.php(2.51 KB)
📄 area_dont_open_new_window.php(2.65 KB)
📄 area_has_alt_value.php(1.69 KB)
📄 basefont_is_not_used.php(1.45 KB)
📄 blink_is_not_used.php(1.44 KB)
📄 bold_is_not_used.php(1.44 KB)
📄 content_too_long.php(2.09 KB)
📄 css_text_has_contrast.php(6.48 KB)
📄 embed_has_associated_no_embed.php(2.15 KB)
📄 header_h3.php(1.31 KB)
📄 headers_have_text.php(1.7 KB)
📄 i_is_not_used.php(1.44 KB)
📄 img_alt_is_different.php(1.95 KB)
📄 img_alt_is_too_long.php(1.83 KB)
📄 img_alt_not_empty_in_anchor.php(2.1 KB)
📄 img_alt_not_place_holder.php(2.49 KB)
📄 img_has_alt.php(1.82 KB)
📄 img_with_map_has_use_map.php(2.1 KB)
📄 legend_text_not_empty.php(1.72 KB)
📄 marquee_is_not_used.php(1.45 KB)
📄 no_headings.php(2.29 KB)
📄 object_must_have_embed.php(1.72 KB)
📄 object_must_have_title.php(1.69 KB)
📄 object_must_have_valid_title.php(2.29 KB)
📄 strike_is_not_used.php(1.45 KB)
📄 table_data_should_have_th.php(2.92 KB)
📄 table_summary_does_not_duplicate_caption.php(2.2 KB)
📄 table_td_should_not_merge.php(2.37 KB)
📄 table_th_should_have_scope.php(1.76 KB)

Editing: area_has_alt_value.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 area elements have an alt attribute.
 * Area elements must contain a 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 area_has_alt_value 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('area') as $area) {
            if (!$area->hasAttribute('alt')) {
                $this->add_report($area);
            }
        }
    }
}

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