3v4l.org

run code in 300+ PHP versions simultaneously
<?php function permutation(array $arr) { while($ele=array_shift($arr)) { $x=$ele; echo $x."\n"; foreach($arr as $rest) { $x.=" $rest"; echo $x."\n"; } } } permutation( array ( '0' => 'Lose Weight', '1' => 'Gain Muscle', '2' => 'Tone & Increase Muscle Definition', '3' => 'Increase Endurance', '4' => 'Improve Athletic Performance', ) );
Output for 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 - 8.3.4, 8.3.6
Lose Weight Lose Weight Gain Muscle Lose Weight Gain Muscle Tone & Increase Muscle Definition Lose Weight Gain Muscle Tone & Increase Muscle Definition Increase Endurance Lose Weight Gain Muscle Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Gain Muscle Gain Muscle Tone & Increase Muscle Definition Gain Muscle Tone & Increase Muscle Definition Increase Endurance Gain Muscle Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Tone & Increase Muscle Definition Tone & Increase Muscle Definition Increase Endurance Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Increase Endurance Increase Endurance Improve Athletic Performance Improve Athletic Performance
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 Lose Weight Lose Weight Gain Muscle Lose Weight Gain Muscle Tone & Increase Muscle Definition Lose Weight Gain Muscle Tone & Increase Muscle Definition Increase Endurance Lose Weight Gain Muscle Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Gain Muscle Gain Muscle Tone & Increase Muscle Definition Gain Muscle Tone & Increase Muscle Definition Increase Endurance Gain Muscle Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Tone & Increase Muscle Definition Tone & Increase Muscle Definition Increase Endurance Tone & Increase Muscle Definition Increase Endurance Improve Athletic Performance Increase Endurance Increase Endurance Improve Athletic Performance Improve Athletic Performance

preferences:
171.14 ms | 403 KiB | 218 Q