Online PHP editor | output for g59eE

@ 2016-07-25T01:30:17Z

<?php
function weekCounter($startDate,$endDate){
    //calculate # of full weeks between dates
    $secsPerWeek = 60 * 60 * 24 * 7;
    $fullWeeks = floor((strtotime($endDate) - strtotime($startDate))/$secsPerWeek);

    $fullMonths = floor($fullWeeks/4);
    $weeksRemainder = $fullWeeks % 4; // weeks that don't fit in a month

    return "Months: $fullMonths, Weeks: $weeksRemainder";
}
$startDate = '2016-06-13';
$endDates = ['2016-06-20','2016-06-27','2016-07-04'];
foreach($endDates as $endDate) echo weekCounter($startDate,$endDate)."\n";

Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 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: Months: 0, Weeks: 1 Months: 0, Weeks: 2 Months: 0, Weeks: 3
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 Months: 0, Weeks: 1 Months: 0, Weeks: 2 Months: 0, Weeks: 3

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