(PECL pthreads >= 2.0.8)
Collectable::isGarbage — Determine whether an object has been marked as garbage
Can be called in Pool::collect() to determine if this object is garbage.
This function has no parameters.
   Always returns true.
  
| Version | Description | 
|---|---|
| 8.2.0 | The return type is truenow; previously, it was bool. |