note 87010 added to function.mktime

//example of functions to know if a date/time value is in summer hour or in winter hour //==================== function getChgWinDate($dt){ $y=substr($dt,0,4); for($i=31;$i>20;$i--){ $ts=mktime(3,0,0,10,$i,$y); $dy=date('D',$ts); if($dy=='Sun') return($y.'/10/'.$i.' 03:00:00'); } } //==================== function getChgSumDate($dt){ $y=substr($dt,0,4); for($i=31;$i>20;$i--){ $ts=mktime(2,0,0,10,$i,$y); $dy=date('D',$ts); if($dy=='Sun') return($y.'/03/'.$i.' 02:00:00'); } } //==================== function isSummerDate($dt){ $b1=getChgWinDate($dt); $b2=getChgSumDate($dt); if($dt>=$b2&&$dt<$b1) return(true); return(false); } //==================== function isWinterDate($dt){ return(!isSummerDate($dt)); } //==================== $dt = '2008/10/26 03:15:16'; if( isSummerDate($dt) ){ echo $dt . " is summer hour in france"; }else{ echo $dt . " is winter hour in france"; } ---- Server IP: 195.221.21.36 Probable Submitter: 194.117.222.83 ---- Manual Page -- http://www.php.net/manual/en/function.mktime.php Edit -- https://master.php.net/note/edit/87010 Del: integrated -- https://master.php.net/note/delete/87010/integrated Del: useless -- https://master.php.net/note/delete/87010/useless Del: bad code -- https://master.php.net/note/delete/87010/bad+code Del: spam -- https://master.php.net/note/delete/87010/spam Del: non-english -- https://master.php.net/note/delete/87010/non-english Del: in docs -- https://master.php.net/note/delete/87010/in+docs Del: other reasons-- https://master.php.net/note/delete/87010 Reject -- https://master.php.net/note/reject/87010 Search -- https://master.php.net/manage/user-notes.php