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php-developer-list | 2001041

[PHP-DEV] PHP 4.0 Bug #10180: date arithmetic gives wrong result From: ray <email protected>
Date: 04/05/01

From: ray <email protected>
Operating system: Windows 2000
PHP version: 4.0.4pl1
PHP Bug Type: Date/time related
Bug description: date arithmetic gives wrong result

<?
    $birthdate = mktime(0, 0, 0, 1, 1, 2001);

    // should give 82 days old - correct
    $CurDate = mktime(0,0,0,3,24,2001);
    printf("<BR>".date("z", $CurDate - $birthdate ) ." days old");

    // should give 83 days old - correct
    $CurDate = mktime(0,0,0,3,25,2001);
    printf("<BR>".date("z", $CurDate - $birthdate ) ." days old");

    // should give 84 days old - instead gives 83
    $CurDate = mktime(0,0,0,3,26,2001);
    printf("<BR>".date("z", $CurDate - $birthdate ) ." days old");

    // should give 85 days old - instead gives 84
    $CurDate = mktime(0,0,0,3,27,2001);
    printf("<BR>".date("z", $CurDate - $birthdate ) ." days old");

?> 

-- 
Edit Bug report at: http://bugs.php.net/?id=10180&edit=1

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