3v4l.org

run code in 300+ PHP versions simultaneously
<?php $int = 3; $exponent = 0; $count = 1; for ($i = 2; $i <= $int; $i++) { echo $i . PHP_EOL; echo pow(2, $exponent) . PHP_EOL; if ($i > pow(2, $exponent)) { echo 'here' . PHP_EOL; $count++; $exponent++; } } echo $count;
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
2 1 here 3 2 here 3
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 2 1 here 3 2 here 3
preferences:
174.13 ms | 404 KiB | 192 Q