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@ 2013-12-30T23:09:04Z

<?php

date_default_timezone_set('UTC');
 
function dateDiff($startdate, $enddate) {
    $first      = $startdate < $enddate ? $startdate : $enddate;
    $second     = $startdate < $enddate ? $enddate : $startdate;
    $inbetween  = $second - $first;
    $firsttemp  = $first;
 
    $months     = 0;
    $days       = 0;
 
    while(TRUE) {
        if($firsttemp + 86400* date('t', $firsttemp) <= $second) {
            $months     += 1;
            $firsttemp  += 86400 * date('t', $firsttemp);
        } else {
            $days       = floor($second - $firsttemp) / 86400;
            break;
        }
    }
 
    $years      = floor($months / 12);
    $months     = $months % 12;
 
    $hours      = floor($inbetween / 60 / 60 % 24);
    $minutes    = floor($inbetween / 60 % 60);
    $seconds    = $inbetween % 60;
 
    $dateObj            = new stdClass();
 
    $dateObj->years     = $years;
    $dateObj->months    = $months;
    $dateObj->days      = $days;
    $dateObj->hours     = $hours;
    $dateObj->minutes   = $minutes;
    $dateObj->seconds   = $seconds;
    $dateObj->dayyyy    = $inbetween / 60 / 60 / 24;
 
    return $dateObj;
}
 
$str1 = "1970-01-01 + 21 sec";
$str2 = "2009-01-01 + 54612 sec";
 
$tempdate1  = $str1;
$date1      = new DateTime($str1);
$n          = 0;

    $date2      = new DateTime($str2);
    $interval   = $date1->diff($date2);
    $string1    = "(" . $interval->days . ") difference " . $interval->y . " years, " . $interval->m . " months, " . $interval->d . " days"; 
 
    $mydate     = dateDiff(strtotime($str1), strtotime($str2));
    $string2    = "(" .  $mydate->dayyyy . ") difference " . $mydate->years . " years, " . $mydate->months . " months, " . $mydate->days . " days";
 
    if($string1 !== $string2) {
        echo "<span style=\"color:red;\">", $string1, " - ", $string2, "</span><br />"; // This will never run
    } else {
        echo "<span style=\"color:green;\">", $string1, " - ", $string2, "</span><br />";
    }
 
    $n++;
    $tempdate1  = $str1 . " +" . $n . " days";

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Deprecated: Implicit conversion from float 341895.1641666667 to int loses precision in /in/aYZgI on line 27 Deprecated: Implicit conversion from float 20513709.85 to int loses precision in /in/aYZgI on line 28 <span style="color:red;">(14245) difference 39 years, 0 months, 0 days - (14245.631840278) difference 39 years, 0 months, 0.63184027777778 days</span><br />
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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: <span style="color:red;">(14245) difference 39 years, 0 months, 0 days - (14245.631840278) difference 39 years, 0 months, 0.63184027777778 days</span><br />
Output for 5.2.0 - 5.2.17: Fatal error: Call to undefined method DateTime::diff() in /in/aYZgI on line 52
Process exited with code 255.
Output for 5.1.0 - 5.1.6: Fatal error: Class 'DateTime' not found in /in/aYZgI on line 48
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Fatal error: Call to undefined function date_default_timezone_set() in /in/aYZgI on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9: Fatal error: Call to undefined function: date_default_timezone_set() in /in/aYZgI on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4: Fatal error: Call to undefined function: date_default_timezone_set() in /in/aYZgI on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1: Fatal error: Call to undefined function: date_default_timezone_set() in /in/aYZgI on line 3

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