3v4l.org

run code in 300+ PHP versions simultaneously
<?php $date = new \DateTime('2021-02-05'); $first = $date->format("Y-m-01"); $last = $date->format("Y-m-t"); echo $first.PHP_EOL; echo $last;
Output for 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 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
2021-02-01 2021-02-28
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 2021-02-01 2021-02-28
preferences:
103.44 ms | 402 KiB | 158 Q