3v4l.org

run code in 500+ PHP versions simultaneously
<?php function anon() { static $i = 0; return eval(sprintf('return new class { public $prop%s; };', ++$i)); } $c1 = anon(); $c1->prop1 = 'hello'; $c2 = anon(); var_dump($c1, $c2, $c1->prop1, $c1->prop2);

preferences:
44.48 ms | 1985 KiB | 5 Q