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Informations about the package scheduler
Scheduler
PHP job scheduler. (Cronjob tasker)
Installing
Via composer:
Usage
Scheduler
Create a php file that will be called by cronjob, Sample, and include the following code lines:
Init scheduler with the required configuration:
NOTE: Scheduler requires a defined jobs path (where jobs are located) and the session driver/settings to use to handle intervals (the package only supports file atm).
Register your jobs and execution interval.
Start scheduler:
Then setup a cronjob task to run scheduler, as follows:
Jobs
Scheduler runs jobs written in PHP. A job is a PHP class extended from Scheduler\Base\Job class. Once a job is registered in the scheduler, it will call to the execute() function in runtime, Sample.
Create a job mimicking the following example:
For the example above, the job file must be named MyJob.php and must be stored in the jobs path.
Intervals
Execution intervals are defined when registering a job:
Available intervals:
Events
You can define callable event handlers when configuring the scheduler, like in the following example:
List of events (parameters can be used optionally):
| Event key | Parameters | Description |
|---|---|---|
on_init |
Triggered before session is validated. | |
on_start |
int $microtime | Triggered before executing any job. |
on_finish |
int $microtime | Triggered after executing all jobs and saving session. |
on_job_start |
string $jobName, int $microtime | Triggered before executing of a job. |
on_job_finish |
string $jobName, int $microtime | Triggered after executing of job. |
Handling Exceptions
Scheduler will run continuously without interruption. You can handle exceptions individually per job or globally to log them as needed.
Global Exception Handling
Add a on_exception callable handler in the scheduler's events configuration, like in the following example:
Job Exceptions
Add a exception handling callable when defining the job task, like this:
To reset the job when an exception occurs and force it to be executed on the next run, indicate it on the task:
Session
File
Indicate the folder where session file will be stored. Make sure this folder has the proper permissions.
Callable
You can create your own session driver by extending from the Session interface:
Then, when initializing the scheduler, set the driver to callable and add the callable as second parameter, like the following example:
Requirements
- PHP >= 5.4
Coding guidelines
PSR-4.
LICENSE
The MIT License (MIT)
Copyright (c) 2016-2019 10Quality.
