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<?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; $dateObj->dayyyy = floor($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); var_dump($interval); $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, " . $mydate->hours . " hours, " . $mydate->minutes . " minutes, and " . $mydate->seconds . " seconds"; if($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 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.30, 7.4.0 - 7.4.24, 8.0.0 - 8.0.11
object(DateInterval)#3 (16) { ["y"]=> int(39) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(15) ["i"]=> int(9) ["s"]=> int(51) ["f"]=> float(0) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(14245) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) } <span style="color:red;">(14245) difference 39 years, 0 months, 0 days - (14245) difference 39 years, 0 months, 0 days, 15 hours, 9 minutes, and 51 seconds</span><br />
Output for 5.3.27 - 5.3.29, 5.4.17 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
object(DateInterval)#3 (15) { ["y"]=> int(39) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(15) ["i"]=> int(9) ["s"]=> int(51) ["weekday"]=> int(0) ["weekday_behavior"]=> int(0) ["first_last_day_of"]=> int(0) ["invert"]=> int(0) ["days"]=> int(14245) ["special_type"]=> int(0) ["special_amount"]=> int(0) ["have_weekday_relative"]=> int(0) ["have_special_relative"]=> int(0) } <span style="color:red;">(14245) difference 39 years, 0 months, 0 days - (14245) difference 39 years, 0 months, 0 days, 15 hours, 9 minutes, and 51 seconds</span><br />
Output for 5.3.0 - 5.3.26, 5.4.0 - 5.4.16
object(DateInterval)#3 (8) { ["y"]=> int(39) ["m"]=> int(0) ["d"]=> int(0) ["h"]=> int(15) ["i"]=> int(9) ["s"]=> int(51) ["invert"]=> int(0) ["days"]=> int(14245) } <span style="color:red;">(14245) difference 39 years, 0 months, 0 days - (14245) difference 39 years, 0 months, 0 days, 15 hours, 9 minutes, and 51 seconds</span><br />
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::diff() in /in/P7W7X on line 52
Process exited with code 255.
Output for 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/P7W7X 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/P7W7X 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/P7W7X 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/P7W7X 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/P7W7X on line 3

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