3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fisdap=1; while($fisdap++ && $fisdap<100){ $fisdap2=$fisdap; print_r($fisdap2/3); print(gettype($fisdap2/3)); break; echo is_int($fisdap2/3) ?: 'fis' || ''; echo is_int($fisdap2/5) ?: 'dap' || ''; }

preferences:
26.24 ms | 404 KiB | 5 Q