(PECL gearman >= 0.5.0) Set a callback for when a task is queued

(PECL gearman >= 0.5.0) Create a GearmanWorker instance

(PECL gearman >= 0.5.0) Add a job server to the client

(PECL gearman >= 0.6.0) Send data for a running job

(PECL gearman >= 0.5.0) Create a GearmanClient instance

(PECL gearman >= 0.5.0) Create a GearmanTask instance

(PECL gearman >= 0.5.0) Set a return value

(PECL gearman >= 0.5.0) Determine if task is known

(PECL gearman >= 0.6.0) Send exception for running job (exception)

(PECL gearman >= 0.6.0) Send status public