GearmanWorker::addFunction Register and add callback function &reftitle.description; public boolGearmanWorker::addFunction stringfunction_name callablefunction mixedcontext inttimeout Registers a function name with the job server and specifies a callback corresponding to that function. Optionally specify extra application context data to be used when the callback is called and a timeout. &reftitle.parameters; function_name The name of a function to register with the job server function A callback that gets called when a job for the registered function name is submitted context A reference to arbitrary application context data that can be modified by the worker function timeout An interval of time in seconds &reftitle.returnvalues; &return.success; &reftitle.examples; addServer(); # define a variable to hold application data $count= 0; # add the "reverse" function $worker->addFunction("reverse", "reverse_cb", $count); # start the worker while ($worker->work()); function reverse_cb($job, &$count) { $count++; return "$count: " . strrev($job->workload()); } ?> ]]> Running a client that submits two jobs for the reverse function would have output similar to the following: &reftitle.seealso; GearmanClient::do