3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = fopen('php://temp', 'wb+'); fwrite($fp, "move 19 from 23 to 34\n\n"); fseek($fp, 0); while (!feof($fp)) { if (!fscanf($fp, "move %d from %d to %d\n", $howMany, $from, $to)) unset($howMany, $from, $to); var_dump($howMany, $from, $to); }
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(19) int(23) int(34) Warning: Undefined variable $howMany in /in/BREbJ on line 9 Warning: Undefined variable $from in /in/BREbJ on line 9 Warning: Undefined variable $to in /in/BREbJ on line 9 NULL NULL NULL
preferences:
109.51 ms | 402 KiB | 89 Q