3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($ic = 0; $ic < 10; $ic++){ for($is = 0; $is < $ic; $is++){ $maxInitialLength = $ic - $is; for($il = 0; $il <= $maxInitialLength; $il++){ echo $ic . ", " . $is . ", " . $il . "\n"; } } }
Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
1, 0, 0 1, 0, 1 2, 0, 0 2, 0, 1 2, 0, 2 2, 1, 0 2, 1, 1 3, 0, 0 3, 0, 1 3, 0, 2 3, 0, 3 3, 1, 0 3, 1, 1 3, 1, 2 3, 2, 0 3, 2, 1 4, 0, 0 4, 0, 1 4, 0, 2 4, 0, 3 4, 0, 4 4, 1, 0 4, 1, 1 4, 1, 2 4, 1, 3 4, 2, 0 4, 2, 1 4, 2, 2 4, 3, 0 4, 3, 1 5, 0, 0 5, 0, 1 5, 0, 2 5, 0, 3 5, 0, 4 5, 0, 5 5, 1, 0 5, 1, 1 5, 1, 2 5, 1, 3 5, 1, 4 5, 2, 0 5, 2, 1 5, 2, 2 5, 2, 3 5, 3, 0 5, 3, 1 5, 3, 2 5, 4, 0 5, 4, 1 6, 0, 0 6, 0, 1 6, 0, 2 6, 0, 3 6, 0, 4 6, 0, 5 6, 0, 6 6, 1, 0 6, 1, 1 6, 1, 2 6, 1, 3 6, 1, 4 6, 1, 5 6, 2, 0 6, 2, 1 6, 2, 2 6, 2, 3 6, 2, 4 6, 3, 0 6, 3, 1 6, 3, 2 6, 3, 3 6, 4, 0 6, 4, 1 6, 4, 2 6, 5, 0 6, 5, 1 7, 0, 0 7, 0, 1 7, 0, 2 7, 0, 3 7, 0, 4 7, 0, 5 7, 0, 6 7, 0, 7 7, 1, 0 7, 1, 1 7, 1, 2 7, 1, 3 7, 1, 4 7, 1, 5 7, 1, 6 7, 2, 0 7, 2, 1 7, 2, 2 7, 2, 3 7, 2, 4 7, 2, 5 7, 3, 0 7, 3, 1 7, 3, 2 7, 3, 3 7, 3, 4 7, 4, 0 7, 4, 1 7, 4, 2 7, 4, 3 7, 5, 0 7, 5, 1 7, 5, 2 7, 6, 0 7, 6, 1 8, 0, 0 8, 0, 1 8, 0, 2 8, 0, 3 8, 0, 4 8, 0, 5 8, 0, 6 8, 0, 7 8, 0, 8 8, 1, 0 8, 1, 1 8, 1, 2 8, 1, 3 8, 1, 4 8, 1, 5 8, 1, 6 8, 1, 7 8, 2, 0 8, 2, 1 8, 2, 2 8, 2, 3 8, 2, 4 8, 2, 5 8, 2, 6 8, 3, 0 8, 3, 1 8, 3, 2 8, 3, 3 8, 3, 4 8, 3, 5 8, 4, 0 8, 4, 1 8, 4, 2 8, 4, 3 8, 4, 4 8, 5, 0 8, 5, 1 8, 5, 2 8, 5, 3 8, 6, 0 8, 6, 1 8, 6, 2 8, 7, 0 8, 7, 1 9, 0, 0 9, 0, 1 9, 0, 2 9, 0, 3 9, 0, 4 9, 0, 5 9, 0, 6 9, 0, 7 9, 0, 8 9, 0, 9 9, 1, 0 9, 1, 1 9, 1, 2 9, 1, 3 9, 1, 4 9, 1, 5 9, 1, 6 9, 1, 7 9, 1, 8 9, 2, 0 9, 2, 1 9, 2, 2 9, 2, 3 9, 2, 4 9, 2, 5 9, 2, 6 9, 2, 7 9, 3, 0 9, 3, 1 9, 3, 2 9, 3, 3 9, 3, 4 9, 3, 5 9, 3, 6 9, 4, 0 9, 4, 1 9, 4, 2 9, 4, 3 9, 4, 4 9, 4, 5 9, 5, 0 9, 5, 1 9, 5, 2 9, 5, 3 9, 5, 4 9, 6, 0 9, 6, 1 9, 6, 2 9, 6, 3 9, 7, 0 9, 7, 1 9, 7, 2 9, 8, 0 9, 8, 1

preferences:
174.9 ms | 407 KiB | 198 Q