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Commit 52a57e88 authored by elleo's avatar elleo

Add preliminary coding standards

parent faa2eb45
Libre.fm Coding Standards (Adapted from phpGroupWare standards)
Please comply with the following standard when working on Libre.fm if you
want your patches accepted and modules included in supported releases.
1) Format your code so that we can read it, please!
2) Use tabs for formatting, NOT SPACES. Tabs create smaller files and editors allow
developers to view a tab as however many spaces as they prefer - we use 4 spaces.
Spaces do not allow this.
3) Use ' instead of " for strings, where substitutions aren't required. This is a
performance issue, and prevents a lot of inconsistent coding styles. When using
substitutions, use curly braces around your variables - like so:
$var = "my_var: {$my_var}";
4) Comments go on the line ABOVE the code, NOT to the right of the code, unless it
is very short.
5) All functions and methods are to be documented using PhpDocumentor - http://phpdoc.org
6) Do not document every bit of code in comments. PHP is an interpreted language and it will be
nasty on performance. Provide enough information for someone else to understand your code.
7) Use switch statements where many else if's are going to be used. Switch/case is faster
8) 'If' statements need to use the following format:
if ($var == 'example') {
echo 'This is only an example';
} else {
echo 'This is not a test. This is the real thing';
Do NOT make if statements like this:
if ($var == 'example'){ echo 'An example'; }
OR this
if($var = 'example')
echo "An {$var}";
9) class/function format:
* This class is for testing
class ModuleTesting
* Output the value of $var the user
public function printToScreen()
$my_var = new Monkey();
if ($my_var->name == 'example')
echo 'This is only an example';
echo 'This is not a test. This is the real thing';
10) Associative arrays must be written in the following manner:
$array = array (
'var' => 'value',
'var2' => 'value2'
Note that tabs are preferred around the '=>'.
11) Use the long format for <?php. Do NOT use <?.
12) a) Classes begin with a capital letter and use CamelCase for separating words (e.g. MyClass).
b) Functions/Methods start with a lower case letter and use CamelCase for separating words (e.g. myFunction).
c) Variables are all lower case and use _ for separating words (e.g. my_variable).
13) Always use symbol based comparison operators (&&, ||) instead of text based
operators (AND, OR) as they are evaluated in different orders and at different
speeds. This is will prevent any confusion or strange results.
14) You code must run with E_ALL error reporting turned on, E_NOTICES are ERRORS!
Where possible your code should run with E_STRICT error reporting.
15) All variables, classes, methods, functions and comments must be in English.
Bad english is easier to work with than having to babelfish code to work out
how it works.
16) If you see code which doesn't comply with the above, please fix it :)
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