RedisPHP

https://github.com/shumkov/rediska

Test 1

final class _1
{
protected static $_;
public static function _($_)
{
static::$_.=(string)$_;
return __CLASS__;
}
public static function e()
{
return static::$_;
}
}
$r = "_1";
$r = $r::_(1);
$r = $r::_(2);
e($r::e());
die();