(PECL gearman <= 0.5.0) Get the application data (deprecated)

(PECL gearman >= 0.5.0) Register and add callback function

(PECL gearman >= 0.5.0) Get completion percentage numerator

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

(PECL gearman >= 0.5.0) Test whether the task is currently running

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

(PECL gearman >= 0.6.0) Test job server response

(PECL gearman >= 0.5.0) Set a callback for collecting task status

(PECL gearman >= 0.5.0) Run a high priority task in the background

(PECL gearman >= 0.5.0) Run a single low priority task