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@ 2020-08-29T05:59:31Z

<?php

function secondsToTime($seconds) {
    $dtF = new \DateTime('@0');
    $dtT = new \DateTime("@$seconds");
    $diff = $dtF->diff($dtT);
    $units = [
        'y' => 'year',
        'm' => 'month',
        'd' => 'day',
        'h' => 'hour',
        'i' => 'minute',
        's' => 'second'
    ];
    foreach ($units as $char => $unit) {
        if ($diff->$char) {
            if ($char === 'd' && $diff->$char >= 7) {
                $diff->$char = floor($diff->$char / 7);
                $unit = 'week';
            }
            return sprintf(
                '%d %s%s ago',
                $diff->$char,
                $unit,
                $diff->$char !== 1 ? 's' : ''
            );
        }
    }
}

$tests = [
    53 =>  53,           // y=0, m=0, d=0,  h=0, i=0,  s=53
    365 => 365,          // y=0, m=0, d=0,  h=0, i=6,  s=5
    7200 => 7200,        // y=0, m=0, d=0,  h=2, i=0,  s=0
    176455 => 176455,    // y=0, m=0, d=2,  h=1, i=0,  s=55
    2002000 => 2002000,  // y=0, m=0, d=23, h=4, i=6,  s=40
    4592000 => 4592000,  // y=0, m=1, d=22, h=3, i=33, s=20
    66536000 => 66536000 // y=2, m=1, d=9,  h=2, i=13, s=20
];

var_export(array_map('secondsToTime',$tests));

Output for 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: array ( 53 => '53 seconds ago', 365 => '6 minutes ago', 7200 => '2 hours ago', 176455 => '2 days ago', 2002000 => '3 weeks ago', 4592000 => '1 month ago', 66536000 => '2 years ago', )
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 array ( 53 => '53 seconds ago', 365 => '6 minutes ago', 7200 => '2 hours ago', 176455 => '2 days ago', 2002000 => '3 weeks ago', 4592000 => '1 month ago', 66536000 => '2 years ago', )

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