PHP: New features - Manual

Constant expressions It is now possible to provide a scalar expression involving numeric and string literals and/or constants in contexts where PHP previously expected a static value, such as constant and property declarations and default function arguments. <?php const ONE = 1; const TWO = ONE * 2; class C { const THREE = TWO + 1; const ONE_THIRD = ONE / self::THREE; const SENTENCE = 'The value o

[iakio]

use function が目玉のような気がする