GearmanClient::echo
  Send data to all job servers to see if they echo it back [deprecated]
  
 
  Description
  
   public bool GearmanClient::echo
    ( string $workload
   )
  
  
 
  Parameters
  
   
    
     - 
workload
- 
      
       Some arbitrary serialized data to be echo back
       
 
 
  Return Values
  
   Returns TRUE on success or FALSE on failure.