tagName), $tags)) { return null; } // Skip hidden inputs and buttons $type = strtolower($element->getAttribute('type')); if ($type === 'hidden' || $type === 'submit' || $type === 'button' || $type === 'reset') { return null; } if ($element->hasAttribute('id')) { $id = $element->getAttribute('id'); $doc = $element->ownerDocument; if ($doc !== null) { $xpath = new \DOMXPath($doc); $labels = $xpath->query("//label[@for='$id']"); if ($labels !== false && $labels->length > 0) { return null; } } } // Check for aria-label, aria-labelledby, or title if ($element->hasAttribute('aria-label') || $element->hasAttribute('aria-labelledby') || $element->hasAttribute('title')) { return null; } // Check if wrapped in label $parent = $element->parentNode; while ($parent) { if ($parent instanceof DOMElement && strtolower($parent->tagName) === 'label') { return null; } $parent = $parent->parentNode; } return $this->createViolation($element, $this->getDescription(), 'Add a or an aria-label attribute.'); } }