<?php
$date1 = new DateTime('2017-03-01', new DateTimeZone('UTC'));
$date2 = new DateTime('2017-04-01', new DateTimeZone('UTC'));
$diff = $date1->diff($date2);
echo "{$diff->m} months and {$diff->d} days.";
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
1 months and 0 days.