3v4l.org

run code in 300+ PHP versions simultaneously
<?php $players =array ('1', '2', '3', '4', '5'); Foreach($players as $player){ For($i=$player+1; $i<=count($players); $i++){ Echo $player ."-" .$i."\n"; } }
Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1-2 1-3 1-4 1-5 2-3 2-4 2-5 3-4 3-5 4-5
preferences:
109.95 ms | 1479 KiB | 4 Q