检查日期是否合法日期
-
function check_date($date) { //检查日期是否合法日期
- $dateArr = explode("-", $date);
- if (is_numeric($dateArr[0]) && is_numeric($dateArr[1]) && is_numeric($dateArr[2])) { //开源OSPhP.COM.CN
- return checkdate($dateArr[1],$dateArr[2],$dateArr[0]);
- }
- return false;
- }
- function check_time($time) { //检查时间是否合法时间
- //OSPHP.COM.Cn开源
- $timeArr = explode(":", $time);
- if (is_numeric($timeArr[0]) && is_numeric($timeArr[1]) && is_numeric($timeArr[2])) {
- //开源代码OSPHP.COM.Cn
- if (($timeArr[0] >= 0 && $timeArr[0] = 0 && $timeArr[1] = 0 && $timeArr[2] //PHP开源代码
- return true;
- else
- return false;
- }
- return false;
- }
- function DateDiff($date1, $date2, $unit = "") { //时间比较函数,返回两个日期相差几秒、几分钟、几小时或几天
- switch ($unit) {
- case 's':
- $dividend = 1;
- break;
- case 'i':
- $dividend = 60;
- //oSPHP.COM.CN
- break;
- case 'h':
- $dividend = 3600;
- break;
- case 'd':
- $dividend = 86400;
- break;
- default:
- $dividend = 86400;
- }
- $time1 = strtotime($date1);
- $time2 = strtotime($date2);
- if ($time1 && $time2) //OSPHP.com.CN
- return (float)($time1 - $time2) / $dividend;
- return false;
- }
- ?>
复制代码
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