3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 1000; for ($i = 1; $i < $n; $i++) { ${"$i level"} = ($i + 1).' level'; } $dream = 'Unicorn'; ${"$n level"} = 'dream'; $DiCaprio = '1 level'; $result = str_repeat('$', $n + 2).'DiCaprio'; printf("%s = '%s';", $result, eval("return $result;"));

preferences:
32.63 ms | 405 KiB | 5 Q