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php 时隔日期工具类

程序员文章站 2022-06-16 23:30:51
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php 时间日期工具类
1582), century not-divisible by 400 is not leap		else if ($year > 1582 && $year % 100 == 0 )			return false;		return true;	}	/**	 * Fix 2-digit years. Works for any century.	 * Assumes that if 2-digit is more than 30 years in future, then previous century.	 * @param integer $y year	 * @return integer change two digit year into multiple digits	 */	protected static function digitCheck($y)	{		if ($y  50) {				$c1 = $century + 1;				$c0 = $century;			} else {				$c1 = $century;				$c0 = $century - 1;			}			$c1 *= 100;			// if 2-digit year is less than 30 years in future, set it to this century			// otherwise if more than 30 years in future, then we set 2-digit year to the prev century.			if (($y + $c1)  23) || !$hs24 && ($h  12)) return false;		if($m > 59 || $m  59 || $s = 0 && $timeArr [0] = 0 && $timeArr [1] = 0 && $timeArr [2] 	public static function getWeekDay($date, $separator = "-") { //计算出给出的日期是星期几		$dateArr = explode ($separator, $date);		return date ( "w", mktime ( 0, 0, 0, $dateArr [1], $dateArr [2], $dateArr [0] ) );	}		public static function floorTime($seconds) { //让日期显示为:XX天XX年以前 		$times = '';		$days = floor ( ($seconds / 86400) % 30 );		$hours = floor ( ($seconds / 3600) % 24 );		$minutes = floor ( ($seconds / 60) % 60 );		$seconds = floor ( $seconds % 60 );		if ($seconds >= 1)			$times .= $seconds . '秒';		if ($minutes >= 1)			$times = $minutes . '分钟 ' . $times;		if ($hours >= 1)			$times = $hours . '小时 ' . $times;		if ($days >= 1)			$times = $days . '天';		if ($days > 30)			return false;		$times .= '前';		return str_replace ( " ", '', $times );	}		public static function transDateToChs($date) {		if (empty ( $date ))			return '今日';		$y = date ( 'Y', strtotime ( $date ) );		$m = date ( 'm', strtotime ( $date ) );		$d = date ( 'd', strtotime ( $date ) );		return $y . '年' . $m . '月' . $d . '日';	}		// 08/31/2004 => 2004-08-31	public static function TransDateUI($datestr, $type = 'Y-m-d') {		if ($datestr == Null)			return Null;		$target = $datestr;		$arr_date = preg_split ( "/\//", $target );		$monthstr = $arr_date [0];		$daystr = $arr_date [1];		$yearstr = $arr_date [2];		$result = date ( $type, mktime ( 0, 0, 0, $monthstr, $daystr, $yearstr ) );		return $result;	}		// 12/20/2004 10:55 AM => 2004-12-20 10:55:00	public static function TransDateTimeUI($datestr, $type = 'Y-m-d H:i:s') {		if ($datestr == Null)			return Null;		$target = $datestr;		$arr_date = preg_split ( "/\/|\s|:/", $target );		$monthstr = $arr_date [0];		$daystr = $arr_date [1];		$yearstr = $arr_date [2];		$hourstr = $arr_date [3];		$minutesstr = $arr_date [4];		$result = date ( $type, mktime ( $hourstr, $minutesstr, 0, $monthstr, $daystr, $yearstr ) );		return $result;	}		// 2004-08-31 => 08/31/2004	public static function TransDateDB($datestr, $type = 'm/d/Y') {		if ($datestr == Null)			return Null;		if ($datestr == '0000-00-00')			return Null;		$target = $datestr;		$arr_date = preg_split ( "/-/", $target );		$monthstr = $arr_date [1];		$daystr = $arr_date [2];		$yearstr = $arr_date [0];		$result = date ( $type, mktime ( 0, 0, 0, $monthstr, $daystr, $yearstr ) );		return $result;	}		// 2004-08-31 10:55:00 => 12/20/2004 10:55 AM 	public static function TransDateTimeDB($datestr, $type = 'm/d/Y h:i A') {		if ($datestr == Null)			return Null;		$target = $datestr;		$arr_date = preg_split ( "/-|\s|:/", $target );		$monthstr = $arr_date [1];		$daystr = $arr_date [2];		$yearstr = $arr_date [0];		$hourstr = $arr_date [3];		$minutesstr = $arr_date [4];		$secondstr = $arr_date [5];		$result = date ( $type, mktime ( $hourstr, $minutesstr, $secondstr, $monthstr, $daystr, $yearstr ) );		return $result;	}}?>
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php 时隔日期工具类

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