Online PHP editor | output for gLGJO

@ 2020-03-30T10:36:10Z

<?php
function week_between_two_dates($date1, $date2)
{
    $first = DateTime::createFromFormat('m/d/Y', $date1);
    $second = DateTime::createFromFormat('m/d/Y', $date2);
    if($date1 > $date2) return week_between_two_dates($date2, $date1);
    return floor($first->diff($second)->days/7);
}

$dt1 = '1/1/2014';
$dt2 = '12/31/2014';
echo 'Weeks between '.$dt1.' and '. $dt2. ' is '. week_between_two_dates($dt1, $dt2)."\n";
?>

Output for 7.2.0 - 7.2.34, 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: Weeks between 1/1/2014 and 12/31/2014 is 52
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 Weeks between 1/1/2014 and 12/31/2014 is 52

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