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run code in 300+ PHP versions simultaneously
<?php $number = 25; $columnCount = 4; for($i = 1, $loopCounter = 1; $i <= $number; $i = $i + $columnCount, $loopCounter++) { $range = range($i, $i+$columnCount - 1); if($loopCounter % 2 === 0) { $range = array_reverse($range); } foreach($range as $n) { echo str_pad($n, 2, ' ', STR_PAD_LEFT) . " "; } echo "\n"; }
Output for 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 - 8.3.4, 8.3.6
1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 13 17 18 19 20 24 23 22 21 25 26 27 28
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 1 2 3 4 8 7 6 5 9 10 11 12 16 15 14 13 17 18 19 20 24 23 22 21 25 26 27 28
preferences:
190.53 ms | 402 KiB | 212 Q