@param int $key

@return Action\AbstractAction|null
554145
public function getAction($key)
    {
        if (isset($this->actions[$key])) {
            return $this->actions[$key];
        }

        return null;
    }
368521
protected function getUriFragment($key)
    {
        return isset($this->uriFragments[$key]) ? $this->uriFragments[$key] : null;
    }
492425
public function filterValue($key)
    {
        $this->parseInputOnce();
        return isset($this->filters[$key]) ? $this->filters[$key] : null;
    }
1084694
public function getCacheControlDirective($key) {

		return array_key_exists($key, $this->cacheControl) ? $this->cacheControl[$key] : NULL;
	
	}
1321240
public function get($key = NULL)
    {
        if (is_null($key)) {
            return $this->operationQueue;
        } else {
            if (!isset($this->operationQueue[$key])) {
                throw new OperationStateException("\$key {$key} was not present in the OperationStateManager queue");
            } else {
                return $this->operationQueue[$key];
            }
        }
    }
93468
public function getItem($key)
    {
        if (!$this->getOptions()->getEnabled()) {
            return null;
        }

        $this->normalizeKey($key);

        $result = null;
        try {
            $result = $this->internalGetItem($key);
        } catch (\Exception $e) {
        }

        return $result;
    }
986685
public function getByKey($key, \chilimatic\lib\datastructure\graph\filter\AbstractFilter $filter = null)
    {
        return $this->children->getByKey($key, $filter);
    }
948351
public function get($key)
    {
        $value = $this->connection()->get($this->prefix.$key);

        return ! is_null($value) ? $this->unserialize($value) : null;
    }
436677
public function remove($key)
    {
        if (!isset($this->map[$key])) {
            return null;
        }

        $removed = $this->map[$key];
        unset($this->map[$key]);
        if ($removed instanceof AbstractCriterion) {
            return $removed->getValue();
        }

        return $removed;
    }
27913
public function getDirective($key)
    {
        if (array_key_exists($key, $this->directives)) {
            return $this->directives[$key];
        }

        return null;
    }
1332085
private function getKey ( $key = NULL ) {
        if ($key === NULL) {
            $key = $this->__keyName;
            return $this->getClassKey() . '_' . $this->$key;
        }
        return $this->getClassKey() . '_' . $key;
    }
766029
private function getProperty($key)
    {
        return array_key_exists($key, $this->fields) ? $this->fields[$key] : null;
    }
1031909
public static function get($key)
    {
        $noInitModel = static::buildNoInitModel();
        $model = static::find()->where([$noInitModel->idAttribute => $key])->one();
        if ($model) {
            return $model->value;
        }
        return null;
    }
39216
public function getParameter($key)
    {
        $query = $this->getQuery();

        return isset($query[$key]) ? $query[$key] : null;
    }
545614
public function get($key)
    {
        $filename = $this->cacheDir . DIRECTORY_SEPARATOR . $this->processKey($key);

        if (is_file($filename) && is_readable($filename)) {
            if (@filemtime($filename) < (time() - $this->ttl)) {
                return null;
            } else {
                return unserialize($this->safelyReadData($filename));
            }
        }

        return null;
    }
1374996
private function searchPageByRequestKey($key)
	{
		$pageId = $this->getRequestParameter($key);

		if (empty($pageId)) {
			return null;
		}

		return $this->getEntityManager()
				->find(AbstractPage::CN(), $pageId);
	}
1172057
protected function argument($key = null)
    {
        if (is_null($key)) {
            return $this->input->getArguments();
        }

        return $this->input->getArgument($key);
    }