Jamm\Memory\IMemoryStorage::get_keys PHP Method

    public function get_keys();

 public function get_tasks_list()
 {
     $keys = $this->mem->get_keys();
     if (empty($keys)) {
         return false;
     }
     $semaphore_key = array_search($this->key_semaphore, $keys);
     if ($semaphore_key !== false) {
         unset($keys[$semaphore_key]);
     }
     if (empty($keys)) {
         return false;
     }
     return $keys;
 }