| protected compileAttributeValue ( $key, $value, $attr, $valueCheck ) |
protected function compileAttributeValue($key, $value, $attr, $valueCheck)
{
return $value === true || $attr['value'] === true ? $this->getBooleanAttributeDisplayCode($key) : ($value !== false && $attr['value'] !== false && $value !== 'null' && $value !== 'undefined' ? $this->getAttributeDisplayCode($key, $this->escapeValueIfNeeded($value, $attr['escaped'], $valueCheck), $valueCheck) : '');
}