| protected checkBuilderState ( boolean $internal = false ) : void | ||
| $internal | boolean | The new internal flag value. |
| return | void | |
protected function checkBuilderState($internal = false)
{
if ($this->frozen === true && $this->internal === false) {
throw new \BadMethodCallException('Cannot create new nodes, when internal state is frozen.');
}
$this->internal = $internal;
}