3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait HasStatic { private static $x; public static function setX($x) { self::$x = $x; } public function useX() { return self::$x; } } HasStatic::setX(123); class UsesStatic { use HasStatic; } var_dump((new UsesStatic())->useX());

preferences:
39.57 ms | 402 KiB | 5 Q