(PECL gearman <= 0.5.0) Get the unique identifier for a task (deprecated)

(PECL gearman >= 0.5.0) Create a copy of a

(PECL gearman >= 0.5.0) Add a list of job servers to the client

(PECL gearman >= 0.5.0) Get workload public

(PECL gearman <= 0.5.0) Send a warning (deprecated)

(PECL gearman >= 0.6.0) Add client options

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

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

(PECL gearman >= 0.6.0) Send data for a task

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