Add requirements to composer.json:

{
  "require-dev" : {
    "apnet/coding-standard" : "~3.0"
  }
}

• PSR2
• PEAR.Commenting.InlineComment
• PEAR.ControlStructures.MultiLineCondition
• PEAR.WhiteSpace.ObjectOperatorIndent
• Symfony2.Classes.MultipleClassesOneFile
• Symfony2.Commenting.ClassComment
• Symfony2.Commenting.FunctionComment - with {@inheritdoc} support
• Apnet.NamingConvensions.ValidVariableName - require camelCase property names
• Squiz.Functions.MultiLineFunctionDeclaration

Run phpcs --standard=vendor/apnet/coding-standard/src/Apnet src to analize code inside src directory