/**
* Check recursively if there are duplicate $attr defined in children of $e
* set global var hasDuplicateAttribute to true if there is, otherwise, set it to false
*/
public static function hasDuplicateAttribute($e, $attr, &$id_array)
{
global $has_duplicate_attribute;
//if ($has_duplicate_attribute) return;
foreach ($e->children() as $child) {
$id_val = strtolower(trim($child->attr[$attr]));
// A hack to swap out the element line number for the duplicate ID line number
if ($id_val != "" && in_array($id_val, $id_array)) {
$has_duplicate_attribute[] = $child->linenumber;
$has_duplicate_attribute[] = $child->id;
return $has_duplicate_attribute;
} else {
if ($id_val != "") {
array_push($id_array, $id_val);
}
BasicChecks::hasDuplicateAttribute($child, $attr, $id_array);
}
}
}
/**
* Check recursively if there are duplicate $attr defined in children of $global_e
* set global var hasDuplicateAttribute to true if there is, otherwise, set it to false
*/
public static function hasDuplicateAttribute($attr)
{
global $has_duplicate_attribute, $global_e;
$has_duplicate_attribute = false;
$id_array = array();
BasicChecks::hasDuplicateAttribute($global_e, $attr, $id_array);
return $has_duplicate_attribute;
}
