(PECL gearman >= 0.6.0) Callback function when there is a data packet for a task

(PECL gearman >= 0.6.0) Set socket I/O activity timeout

(PECL gearman >= 0.5.0) Get the last error encountered

(PECL gearman >= 0.6.0) Remove client options

(PECL gearman >= 0.5.0) Add a low priority task to run in parallel

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

(PECL gearman >= 0.6.0) Wait for activity from one of the job servers

(PECL gearman >= 0.6.0) Get worker options

(No version information available, might only be in Git) Send data to all job servers to see if they echo it

(PECL gearman <= 0.5.0) Send the result and complete status (deprecated)