PHP code

• Indentation: 4 spaces
• Line return: Unix => \n
• Encoding: UTF-8
• Use only the opening tags <?php or <?= for templates, but never use <?
• Always write PHPdoc comments for methods and class properties
• Coding style: PSR-1 and PSR-2

JavaScript code

• Indentation: 4 spaces
• Line return: Unix => \n

CSS code

• Indentation: 4 spaces
• Line return: Unix => \n