8/19/2011

PHP : DateDiff/Time Diff ฟังก์ชั่นเกี่ยวกับการหาค่าต่างของวันที่และเวลา


Use Function :

<?php
     function DateDiff($strDate1,$strDate2)
     {
                return (strtotime($strDate2) - strtotime($strDate1))/  ( 60 * 60 * 24 );  // 1 day = 60*60*24
     }
     function TimeDiff($strTime1,$strTime2)
     {
                return (strtotime($strTime2) - strtotime($strTime1))/  ( 60 * 60 ); // 1 Hour =  60*60
     }
     function DateTimeDiff($strDateTime1,$strDateTime2)
     {
                return (strtotime($strDateTime2) - strtotime($strDateTime1))/  ( 60 * 60 ); // 1 Hour =  60*60
     }
 
     echo "Date Diff = ".DateDiff("2008-08-01","2008-08-31")."<br>";
     echo "Time Diff = ".TimeDiff("00:00","19:00")."<br>";
     echo "Date Time Diff = ".DateTimeDiff("2008-08-01 00:00","2008-08-01 19:00")."<br>";
?>



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