Ruleset

Use PSR-2 coding standard as a base

Rule: PSR2

Disallow long array syntax

Rule: Generic.Arrays.DisallowLongArraySyntax

Force whitespace after `!`

Rule: Generic.Formatting.SpaceAfterNot

Forbid spaces before semicolon `;`

Rule: Squiz.WhiteSpace.SemicolonSpacing

Forbid superfluous whitespaces

Rule: Squiz.WhiteSpace.SuperfluousWhitespace, Squiz.WhiteSpace.SuperfluousWhitespace.EmptyLines