/**
* Check radio button groups are marked using "fieldset" and "legend" elements
* Return: use global variable $is_radio_buttons_grouped to return true (grouped properly) or false (not grouped)
*/
public static function is_radio_buttons_grouped($e)
{
$radio_buttons = array();
foreach ($e->find("input") as $e_input) {
if (strtolower(trim($e_input->attr["type"])) == "radio") {
array_push($radio_buttons, $e_input);
}
}
for ($i = 0; $i < count($radio_buttons); $i++) {
for ($j = 0; $j < count($radio_buttons); $j++) {
if ($i != $j && strtolower(trim($radio_buttons[$i]->attr["name"])) == strtolower(trim($radio_buttons[$j]->attr["name"])) && !BasicChecks::has_parent($radio_buttons[$i], "fieldset") && !BasicChecks::has_parent($radio_buttons[$i], "legend")) {
return false;
}
}
}
return true;
}
