(PECL gearman >= 0.5.0)
GearmanClient::setCreatedCallback — Set a callback for when a task is queued
Sets a callback function to be called when a task is received and queued by the Gearman job server.
Note:
The callback will only be triggered for tasks that are added (e.g. by calling GearmanClient::addTask()) after calling this method.
callbackA function or method to call. It should return a valid Gearman return value.
If no return statement is present, it defaults to GEARMAN_SUCCESS.
taskThe task this callback is called for.
context
Whatever has been passed to GearmanClient::addTask() (or equivalent method) as context.