3v4l.org

run code in 300+ PHP versions simultaneously
<?php $starttime = ['year' => 2019, 'month' => 5, 'day' => 10, 'hour' => 20, 'minute' => 15]; $timestamp = mktime( $starttime['hour'], $starttime['minute'], 0, $starttime['month'], $starttime['day'], $starttime['year'] ); var_dump($timestamp); var_dump(date('Y-m-d H:i:s', $timestamp));
Output for 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 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
int(1557512100) string(19) "2019-05-10 20:15:00"
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 int(1557512100) string(19) "2019-05-10 20:15:00"
Output for 7.3.32 - 7.3.33, 8.0.13
int(1557519300) string(19) "2019-05-10 20:15:00"
preferences:
169.25 ms | 401 KiB | 155 Q