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Asked: 2026-05-23T17:36:32+00:00

All I need is to compare dates represented by string values in the format

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All I need is to compare dates represented by string values in the format d.m.y (e.g. 15.07.11 for today).

strtotime unfortunatelly gives me wrong results (probably because of the format). I found a answer to my question (PHP strtotime incorrect conversion) but DateTime::CreateFromFormat is not available in my PHP version. I could not find strfptime but think the autor of the answer meant strptime. The result of strptime is a array. I was surprised that I can compare arrays but the compare result is not valid.

What would be the easiest way to compare dates in the given string format with PHP <= 5.1.6?

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1 Answer

  1. Editorial Team

    You could always pass the result of strptime to mktime and get a usable Unix timestamp which you can compare or feed to the DateTime objects.

    <?php
    $d = strptime('15.07.11', '%d.%m.%y');
    $timestamp = mktime($d['tm_hour'], $d['tm_min'], $d['tm_sec'], $d['tm_mon'], $d['tm_mday'], 1900 + $d['tm_year']);
    echo date("j F Y", $timestamp);
?>

    The only thing to watch for is that strptime gives the year as the number of years since 1900, and mk_time just takes a year number, so I added 1900 to it.

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