0, 'v7_3' => 1, 'v7_4' => 2, 'v8' => 3, 'v8_1' => 4 ]; } /** * Enum labels * * @return array */ protected static function labels(): array { return [ 'v5_6' => 'PHP 5.6', 'v7_3' => 'PHP 7.3', 'v7_4' => 'PHP 7.4', 'v8' => 'PHP 8', 'v8_1' => 'PHP 8.1' ]; } }