3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '661 660 657 656 663 662 659 658 642 641 644 643'; $string = explode("\n", $string); reset($string); sort($string); reset($string); foreach($string as $x) { echo 'case ' . $x . ':' . "\n"; }
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
case 641: case 642: case 643: case 644: case 656: case 657: case 658: case 659: case 660: case 661: case 662: case 663:
preferences:
219.44 ms | 406 KiB | 313 Q