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Switched coding standards indentation doc to tabs

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Hypolite Petovan 5 years ago
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      doc/Developers-Intro.md

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doc/Developers-Intro.md

@ -49,9 +49,9 @@ Programming
###Coding standards
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/).
Here's a few primers if you are new to the PSR-2 coding standards:
* Indentation is 4 spaces, period.
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.
Here's a few primers if you are new to Friendica or to the PSR-2 coding standards:
* Indentation is tabs, period (not PSR-2).
* 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).
* Operators are wrapped by spaces, e.g. `$var === true`, `$var = 1 + 2` and `'string' . $concat . 'enation'`
* Braces are mandatory in conditions

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