3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = 10; $end = 0; $comparator = '>'; $indecrement = 2; $direction = '-'; $i = $start; for ( ; ; ) { if (eval("return {$i} {$comparator} {$end};")) { echo "$i\n"; if ($direction == '+') { $i += $indecrement; } else { $i -= $indecrement; } continue; } break; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
10 8 6 4 2
preferences:
302.7 ms | 405 KiB | 395 Q