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run code in 300+ PHP versions simultaneously
<?php $str = 'healing'; function matrix($input) { $inputIdx = str_split($input); $inputLen = strlen($input); for ($i = 0; $i < $inputLen; $i++) { for ($j = 0; $j < $inputLen; $j++) { $key = $i + $j; if (!array_key_exists($i+$j, $inputIdx)) { $key -= $inputLen; } echo $inputIdx[$key]; } echo PHP_EOL; } } matrix($str);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
healing ealingh alinghe linghea ingheal ngheali ghealin
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 healing ealingh alinghe linghea ingheal ngheali ghealin
preferences:
214.61 ms | 402 KiB | 287 Q