<?php
// date_default_timezone_set('Europe/Berlin'); // you are required to set a timezone
$date1 = new \DateTime('2009-08-12');
$date2 = new \DateTime('2003-04-14');
$diff = $date1->diff($date2);
echo $diff;
// echo (($diff->format('%y') * 12) + $diff->format('%m')) . " full months difference";
Fatal error: Uncaught Error: Object of class DateInterval could not be converted to string in /in/oMgEr:9
Stack trace:
#0 {main}
thrown in /in/oMgEr on line 9
Process exited with code 255.
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
Fatal error: Uncaught Error: Object of class DateInterval could not be converted to string in /in/oMgEr:9
Stack trace:
#0 {main}
thrown in /in/oMgEr on line 9
Process exited with code 255.