PocketMine-MP/CONTRIBUTING.md

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![](http://cdn.pocketmine.net/img/PocketMine-MP-h.png)
# PocketMine-MP Contribution Guidelines
Before contributing to PocketMine-MP, please read this. Also, take a look if your contribution fits the PocketMine-MP goals below.
## I've a question
* For questions, please refer to the _#pocketmine_ or _#mcpedevs_ IRC channel on Freenode. There is a [WebIRC](http://webchat.freenode.net?channels=pocketmine,mcpedevs&uio=d4) if you want.
* You can ask directly to _[@PocketMine](https://twitter.com/PocketMine)_ in Twitter, but don't expect an inmediate reply.
## I want to create an issue
* First, use the [Issue Search](https://github.com/PocketMine/PocketMine-MP/search?ref=cmdform&type=Issues) to check if anyone has reported it.
* Is your issue related to a Plugin? If so, please contact their original author instead of reporting it here.
* And no, we won't update a Plugin because you need it.
* When reporting, give as much info as you can, and if the Issue is a crash, give the Crash Dump.
* Issues should be written in English.
## I want to contribute code
* Use the [Pull Request](https://github.com/PocketMine/PocketMine-MP/pull/new) system, your request will be checked and discussed.
* __Create a single branch for that pull request__
* If you want to be part of PocketMine-MP, we will ask you to.
* Code using the syntax as in PocketMine-MP. See below for an example.
* The code must be clear and written in English, comments included.
__Thanks for contributing to PocketMine-MP!__
### Code syntax
It is mainly [PSR-2](https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-1-basic-coding-standard.md) with a few exceptions.
* Opening braces MUST go on the same line.
* `else if` MUST be written as `elseif`. _(It is in PSR-2, but using a SHOULD)_
* Control structure keywords or opening braces MUST NOT have one space after them.
* Code MUST use tabs for indenting.
* Long arrays MAY be split across multiple lines, where each subsequent line is indented once.
* Files MUST use only the `<?php` tag.
* Files MUST NOT have an ending `?>` tag.
* Code MUST use namespaces.
* Strings SHOULD use the double quote `"` except when the single quote is required.
* Argument lists MAY NOT be split across multiple lines, except long arrays.
```php
<?php
namespace pocketmine\Example;
class ExampleClass{
const EXAMPLE_CLASS_CONSTANT = 1;
public $examplePublicVariable = "defaultValue";
private $examplePrivateVariable;
public function __construct($firstArgument, &$secondArgument = null){
if($firstArgument === "exampleValue"){ //Remember to use === instead == when possible
//do things
}elseif($firstArgument === "otherValue"){
$secondArgument = function(){
return array(
0 => "value1",
1 => "value2",
2 => "value3",
3 => "value4",
4 => "value5",
5 => "value6",
);
}
}
}
}
```