Merge pull request #118 from rajibahmed/master

Add github flavoured syntax highlights on README
This commit is contained in:
Chris Boulton 2013-08-15 22:45:37 -07:00
commit b5ce47a8a1

View File

@ -51,20 +51,24 @@ If you're not familiar with Composer, please see <http://getcomposer.org/>.
1. Add php-resque to your application's composer.json. 1. Add php-resque to your application's composer.json.
```json
{ {
... //...
"require": { "require": {
"chrisboulton/php-resque": "1.2.x" "chrisboulton/php-resque": "1.2.x"
}, },
... // ...
} }
```
2. Run `composer install`. 2. Run `composer install`.
3. If you haven't already, add the Composer autoload to your project's 3. If you haven't already, add the Composer autoload to your project's
initialization file. (example) initialization file. (example)
```sh
require 'vendor/autoload.php'; require 'vendor/autoload.php';
```
## Jobs ## ## Jobs ##
@ -72,6 +76,7 @@ If you're not familiar with Composer, please see <http://getcomposer.org/>.
Jobs are queued as follows: Jobs are queued as follows:
```php
// Required if redis is located elsewhere // Required if redis is located elsewhere
Resque::setBackend('localhost:6379'); Resque::setBackend('localhost:6379');
@ -79,11 +84,13 @@ Jobs are queued as follows:
'name' => 'Chris' 'name' => 'Chris'
); );
Resque::enqueue('default', 'My_Job', $args); Resque::enqueue('default', 'My_Job', $args);
```
### Defining Jobs ### ### Defining Jobs ###
Each job should be in it's own class, and include a `perform` method. Each job should be in it's own class, and include a `perform` method.
```php
class My_Job class My_Job
{ {
public function perform() public function perform()
@ -92,6 +99,7 @@ Each job should be in it's own class, and include a `perform` method.
echo $this->args['name']; echo $this->args['name'];
} }
} }
```
When the job is run, the class will be instantiated and any arguments When the job is run, the class will be instantiated and any arguments
will be set as an array on the instantiated object, and are accessible will be set as an array on the instantiated object, and are accessible
@ -105,6 +113,8 @@ Jobs can also have `setUp` and `tearDown` methods. If a `setUp` method
is defined, it will be called before the `perform` method is run. is defined, it will be called before the `perform` method is run.
The `tearDown` method if defined, will be called after the job finishes. The `tearDown` method if defined, will be called after the job finishes.
```php
class My_Job class My_Job
{ {
public function setUp() public function setUp()
@ -122,6 +132,7 @@ The `tearDown` method if defined, will be called after the job finishes.
// ... Remove environment for this job // ... Remove environment for this job
} }
} }
```
### Tracking Job Statuses ### ### Tracking Job Statuses ###
@ -133,13 +144,17 @@ To track the status of a job, pass `true` as the fourth argument to
`Resque::enqueue`. A token used for tracking the job status will be `Resque::enqueue`. A token used for tracking the job status will be
returned: returned:
```php
$token = Resque::enqueue('default', 'My_Job', $args, true); $token = Resque::enqueue('default', 'My_Job', $args, true);
echo $token; echo $token;
```
To fetch the status of a job: To fetch the status of a job:
```php
$status = new Resque_Job_Status($token); $status = new Resque_Job_Status($token);
echo $status->get(); // Outputs the status echo $status->get(); // Outputs the status
```
Job statuses are defined as constants in the `Resque_Job_Status` class. Job statuses are defined as constants in the `Resque_Job_Status` class.
Valid statuses include: Valid statuses include:
@ -170,14 +185,16 @@ not having a single environment such as with Ruby, the PHP port makes
*no* assumptions about your setup. *no* assumptions about your setup.
To start a worker, it's very similar to the Ruby version: To start a worker, it's very similar to the Ruby version:
```sh
$ QUEUE=file_serve php bin/resque $ QUEUE=file_serve php bin/resque
```
It's your responsibility to tell the worker which file to include to get It's your responsibility to tell the worker which file to include to get
your application underway. You do so by setting the `APP_INCLUDE` environment your application underway. You do so by setting the `APP_INCLUDE` environment
variable: variable:
```sh
$ QUEUE=file_serve APP_INCLUDE=../application/init.php php bin/resque $ QUEUE=file_serve APP_INCLUDE=../application/init.php php bin/resque
```
*Pro tip: Using Composer? More than likely, you don't need to worry about *Pro tip: Using Composer? More than likely, you don't need to worry about
`APP_INCLUDE`, because hopefully Composer is responsible for autoloading `APP_INCLUDE`, because hopefully Composer is responsible for autoloading
@ -192,8 +209,10 @@ The port supports the same environment variables for logging to STDOUT.
Setting `VERBOSE` will print basic debugging information and `VVERBOSE` Setting `VERBOSE` will print basic debugging information and `VVERBOSE`
will print detailed information. will print detailed information.
```sh
$ VERBOSE QUEUE=file_serve bin/resque $ VERBOSE QUEUE=file_serve bin/resque
$ VVERBOSE QUEUE=file_serve bin/resque $ VVERBOSE QUEUE=file_serve bin/resque
```
### Priorities and Queue Lists ### ### Priorities and Queue Lists ###
@ -204,7 +223,9 @@ checked in.
As per the original example: As per the original example:
```sh
$ QUEUE=file_serve,warm_cache bin/resque $ QUEUE=file_serve,warm_cache bin/resque
```
The `file_serve` queue will always be checked for new jobs on each The `file_serve` queue will always be checked for new jobs on each
iteration before the `warm_cache` queue is checked. iteration before the `warm_cache` queue is checked.
@ -214,21 +235,27 @@ iteration before the `warm_cache` queue is checked.
All queues are supported in the same manner and processed in alphabetical All queues are supported in the same manner and processed in alphabetical
order: order:
```sh
$ QUEUE=* bin/resque $ QUEUE=* bin/resque
```
### Running Multiple Workers ### ### Running Multiple Workers ###
Multiple workers ca be launched and automatically worked by supplying Multiple workers ca be launched and automatically worked by supplying
the `COUNT` environment variable: the `COUNT` environment variable:
```sh
$ COUNT=5 bin/resque $ COUNT=5 bin/resque
```
### Custom prefix ### ### Custom prefix ###
When you have multiple apps using the same Redis database it is better to When you have multiple apps using the same Redis database it is better to
use a custom prefix to separate the Resque data: use a custom prefix to separate the Resque data:
```sh
$ PREFIX=my-app-name bin/resque $ PREFIX=my-app-name bin/resque
```
### Forking ### ### Forking ###
@ -274,7 +301,9 @@ You listen in on events (as listed below) by registering with `Resque_Event`
and supplying a callback that you would like triggered when the event is and supplying a callback that you would like triggered when the event is
raised: raised:
```sh
Resque_Event::listen('eventName', [callback]); Resque_Event::listen('eventName', [callback]);
```
`[callback]` may be anything in PHP that is callable by `call_user_func_array`: `[callback]` may be anything in PHP that is callable by `call_user_func_array`: