(PECL gearman <= 0.5.0) Send status (deprecated)

(PECL gearman >= 0.5.0) Get last Gearman return code

(PECL gearman >= 0.6.0) Unregister all function names with the job servers

(PECL gearman >= 0.5.0) Set a callback for worker exceptions

(PECL gearman >= 0.5.0) Clear all task callback functions

(PECL gearman <= 0.5.0) Send fail status (deprecated)

(PECL gearman >= 0.5.0) Get the unique identifier

(PECL gearman <= 0.5.0) Send data for a running job (deprecated)

(PECL gearman >= 0.6.0) Set application context

(PECL gearman >= 0.6.0) Add client options