@param string $key

@return array|null
420816
public function get($key)
    {
        if (\array_key_exists($key, $this->array)) {
            $res = $this->array[$key];
            if ($res instanceof Basic) {
                return $res->getValue();
            } elseif ($res instanceof self) {
                return $res->toArray();
            } else {
                return $res;
            }
        } else {
            return;
        }
    }
1145722
public function get($key)
    {
        return array_key_exists($key, $this->vars) ? $this->vars[$key] : null;
    }
460279
private function getField($key)
    {
        return isset($this->data[$key]) ? $this->data[$key] : null;
    }
1207279
public function findByKey(string $key) {
        if (!$this->root) {
            return null;
        }

        return $this->root->findByKey($key);
    }
145367
public function getParams($key = null)
	{
		if(is_null($key))
		{
			return $this->params;
		}

		return $this->params[$key];
	}
339555
protected function getProperty($key)
    {
        return isset($this->properties[$key]) ? $this->properties[$key] : null;
    }
168433
public function get($key){

		if(!is_null($this->args))
			if(in_array($key, array_keys($this->args)))
				return $this->args[$key];

		return null;
	}
713835
public function getValue($key)
    {
        if (!isset($this->values[$key])) {
            return null;
        }
        return $this->values[$key];
    }
1094684
public static function get($key)
    {
        return isset(self::$config[$key]) ? self::$config[$key] : null;
    }
692182
public function getArray($key = null) {
        if (!is_null($key)) {
            return $this->getDeepValue($key);
        } else {
            return $this->_data;
        }
    }
3437
protected function getParams($key = null)
    {
        $params = $this->session->get(uri());
        return !is_null($key) ? array_get($params, $key) : $params;
    }
164039
public function getArray($key)
	{
		$this->validateKey($key);
		return $this->has($key) ? $this->params[$key] : [];
	}
969519
public function get($key)
	{
		if ( ! isset($this->strings[$key]))
		{
			return null;
		}

		return $this->strings[$key];
	}
1048715
public function get($key){
		return (isset($this->tpl['vars'][$key])) ? $this->tpl['vars'][$key] : null;
	}
233284
public function load($key)
    {
        try {
            $sth = $this->pdo->prepare(
                'SELECT * FROM sessions WHERE id = :id'
            );

            $sth->bindValue(':id', $key, \PDO::PARAM_INT);
            $sth->execute();

            $session = $sth->fetchObject();

            if ($session instanceof \stdClass) {
                return array(
                    'id'            => $session->id,
                    'last_activity' => $session->last_activity,
                    'data'          => unserialize($session->data)
                );
            }

            return null;
        } catch (\PDOException $pdoe) {
            return null;
        }
    }
1073655
public function get(string $key)
    {
        if ($this->enabled === false) {
            return null;
        }

        $index = $this->cacheIndex[$key] ?? $key;
        if (!isset($this->cache[$index]) || $this->cacheExpiryTime[$index] < microtime(true)) {
            return null;
        }

        ++$this->cacheAccessCount[$index];

        return $this->cache[$index];
    }
1014523
public function get($key)
    {
        if (array_key_exists($key, $this->container)) {
            return $this->container[$key];
        }

        return null;
    }