/**
* @param $key
*
* @return mixed|null
*/
public function findByKey(string $key)
{
if (!$this->root) {
return null;
}
return $this->root->findByKey($key);
}
public function __construct($left, $right, string $escape = null, bool $caseSensitive = false)
{
parent::__construct($left, $right);
$this->caseSensitive = $caseSensitive;
if ($escape !== null) {
$this->escape = Node::buildQuoted($escape);
}
}
public function __construct($left, $right, bool $caseSensitive = true)
{
parent::__construct($left, $right);
$this->caseSensitive = $caseSensitive;
}
public function getExpressions()
{
return parent::getLeft();
}
public function isEmpty()
{
return parent::getLeft() === null && sizeof(parent::getRight()) === 0;
}
