Merge pull request #2841 from Hypolite/issue/#2103-alt
Issue/#2103 alt - define coding standards for Friendica
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@ -29,7 +29,7 @@ Welcome them, answer their questions, point them to documentation or ping other
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Translation
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---
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The documentation contains help on how to translate Friendica in the [at Transifex](/help/translations) where the UI is translated.
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The documentation contains help on how to translate Friendica [at Transifex](/help/translations) where the UI is translated.
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If you don't want to translate the UI, or it is already done to your satisfaction, you might want to work on the translation of the /help files?
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Design
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@ -42,29 +42,64 @@ If you have seen Friendica you probably have ideas to improve it, haven't you?
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* Make plans for a better Friendica interface design and share them with us.
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* Tell us if you are able to realize your ideas or what kind of help you need.
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We can't promise we have the right skills in the group but we'll try.
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* Choose a thing to start with, e.g. work on the icon set of your favourite theme
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* Choose a thing to start with, e.g. work on the icon set of your favorite theme
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Programming
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---
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###Coding standards
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For the sake of consistency between contribution and general code readability, Friendica follows the widespread [PSR-2 coding standards](http://www.php-fig.org/psr/psr-2/) to the exception of a few rules.
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Here's a few primers if you are new to Friendica or to the PSR-2 coding standards:
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* Indentation is tabs, period (not PSR-2).
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* By default, strings are enclosed in single quotes, but feel free to use double quotes if it makes more sense (SQL queries, adding tabs and line feeds).
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* Operators are wrapped by spaces, e.g. `$var === true`, `$var = 1 + 2` and `'string' . $concat . 'enation'`
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* Braces are mandatory in conditions
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* No closing PHP tag
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* No trailing spaces
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Don't worry, you don't have to know by heart the PSR-2 coding standards to start contributing to Friendica.
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There are a few tools you can use to check or fix your files before you commit.
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####Check with [PHP Code Sniffer](https://github.com/squizlabs/PHP_CodeSniffer)
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This tool checks your files against a variety of coding standards, including PSR-2, and ouputs a report of all the standard violations.
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You can simply install it through PEAR: `pear install PHP_CodeSniffer`
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Once it is installed and available in your PATH, here's the command to run before committing your work:
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$> phpcs --standard=PSR2 <file or directory>
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The output is a list of all the coding standards violations that you should fix before committing your work.
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Additionally, `phpcs` integrates with a few IDEs (Eclipse, Netbeans, PHPStorm...) so that you don't have to fiddle with the command line.
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####Fix with PHP Code Beautifier and Fixer (phpbcf) included in PHP Code Sniffer
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If you're getting a massive list of standards violations when running `phpcs`, it can be annoying to fix all the violations by hand.
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Thankfully, PHP Code Sniffer is shipped with an automatic code fixer that can take care of the tedious task for you.
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Here's the command to automatically fix the files you created/modified:
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$> phpcbf --standard=PSR2 <file or directory>
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If the command-line tools `diff` and `patch` are unavailabe for you, `phpcbf` can use slightly slower PHP equivalents by using the `--no-patch` argument.
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###Code documentation
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If you are interested in having the documentation of the Friendica code outside of the code files, you can use [Doxygen](http://doxygen.org) to generate it.
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The configuration file for Doxygen is located in the ```util``` directory of the project sources.
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The configuration file for Doxygen is located in the `util` directory of the project sources.
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Run
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$> doxygen util/Doxyfile
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to generate the files which will be located in the ```doc/html``` subdirectory in the Friendica directory.
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to generate the files which will be located in the `doc/html` subdirectory in the Friendica directory.
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You can browse these files with any browser.
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If you find missing documentation, don't hestitate to contact us and write it down to enhance the code documentation.
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If you find missing documentation, don't hesitate to contact us and write it down to enhance the code documentation.
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###Issues
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Have a look at our [issue tracker](https://github.com/friendica/friendica) on github!
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* Try to reproduce a bug that needs more inquries and write down what you find out.
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* Try to reproduce a bug that needs more inquiries and write down what you find out.
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* If a bug looks fixed, ask the bug reporters for feedback to find out if the bug can be closed.
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* Fix a bug if you can. Please make the pull request against the *develop* branch of the repository.
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* There is a *Junior Job* label for issues we think might be a good point to start with.
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