php 时隔日期工具类
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2022-04-29 23:46:40
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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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