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// You should have received a copy of the GNU General Public License
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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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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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namespace tool_brickfield\local\htmlchecker\common\checks;
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namespace tool_brickfield\local\htmlchecker\common\checks;
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use core_text;
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use tool_brickfield\local\htmlchecker\common\brickfield_accessibility_test;
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use tool_brickfield\local\htmlchecker\common\brickfield_accessibility_test;
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 * @package    tool_brickfield
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 * @package    tool_brickfield
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 * @copyright  2020 onward: Brickfield Education Labs, www.brickfield.ie
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 * @copyright  2020 onward: Brickfield Education Labs, www.brickfield.ie
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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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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class img_alt_is_too_long extends brickfield_accessibility_test {
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class img_alt_is_too_long extends brickfield_accessibility_test {
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    /** @var int The default severity code for this test. */
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    public $defaultseverity = \tool_brickfield\local\htmlchecker\brickfield_accessibility::BA_TEST_SEVERE;
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    /**
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    /**
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     * The main check function. This is called by the parent class to actually check content.
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     * The main check function. This is called by the parent class to actually check content.
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     */
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     */
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    public function check(): void {
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    public function check(): void {
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        global $alttextlengthlimit;
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        global $alttextlengthlimit;
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        foreach ($this->get_all_elements('img') as $img) {
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        foreach ($this->get_all_elements('img') as $img) {
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            $alttextlengthlimit = 125;
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            $alttextlengthlimit = 750;
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            if ($img->hasAttribute('alt') && strlen($img->getAttribute('alt')) > $alttextlengthlimit) {
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            if ($img->hasAttribute('alt') && core_text::strlen($img->getAttribute('alt')) > $alttextlengthlimit) {
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                $this->add_report($img);
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                $this->add_report($img);
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            }
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            }
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        }
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        }
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    }
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    }