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Code Issues Releases Wiki Activity

优化计算月天数

pull/382/head
Karson 2022-01-20 16:00:57 +08:00
parent d2d6648d9c
commit d4531c7df0
1 changed files with 17 additions and 2 deletions
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19
extend/fast/Date.php
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@ -191,13 +191,13 @@ class Date
break;
case 'month':
$_timestamp = mktime(0, 0, 0, $month + $offset, 1, $year);
$time = $position ? $_timestamp : mktime(23, 59, 59, $month + $offset, cal_days_in_month(CAL_GREGORIAN, date("m", $_timestamp), date("Y", $_timestamp)), $year);
$time = $position ? $_timestamp : mktime(23, 59, 59, $month + $offset, self::days_in_month(date("m", $_timestamp), date("Y", $_timestamp)), $year);
break;
case 'quarter':
$_month = date("m", mktime(0, 0, 0, (ceil(date('n', mktime(0, 0, 0, $month, $day, $year)) / 3) + $offset) * 3, $day, $year));
$time = $position ?
mktime(0, 0, 0, 1 + ((ceil(date('n', $baseTime) / 3) + $offset) - 1) * 3, 1, $year) :
mktime(23, 59, 59, (ceil(date('n', $baseTime) / 3) + $offset) * 3, cal_days_in_month(CAL_GREGORIAN, (ceil(date('n', $baseTime) / 3) + $offset) * 3, $year), $year);
mktime(23, 59, 59, (ceil(date('n', $baseTime) / 3) + $offset) * 3, self::days_in_month((ceil(date('n', $baseTime) / 3) + $offset) * 3, $year), $year);
break;
case 'year':
$time = $position ? mktime(0, 0, 0, 1, 1, $year + $offset) : mktime(23, 59, 59, 12, 31, $year + $offset);
@ -208,4 +208,19 @@ class Date
}
return $time;
}
/**
* 获取指定年月拥有的天数
* @param int $month
* @param int $year
* @return false|int|string
*/
public static function days_in_month($month, $year)
{
if (function_exists("cal_days_in_month")) {
return cal_days_in_month(CAL_GREGORIAN, $month, $year);
} else {
return date('t', mktime(0, 0, 0, $month, 1, $year));
}
}
}