时间统计
//$startdate是开始时间,$enddate是结束时间 <?php $startdate="2011-3-15 11:50:00"; $enddate="2012-12-12 12:12:12"; $date=floor((strtotime($enddate)-strtotime($startdate))/86400); echo "相差天数:".$date."天<br/><br/>"; $hour=floor((strtotime($enddate)-strtotime($startdate))%86400/3600); echo "相差小时数:".$hour."小时<br/><br/>"; $minute=floor((strtotime($enddate)-strtotime($startdate))%86400/60); echo "相差分钟数:".$minute."分钟<br/><br/>"; $second=floor((strtotime($enddate)-strtotime($startdate))%86400%60); echo "相差秒数:".$second."秒"; ?>
date("Y-m-d H:i:s"); //24小时 date("Y-m-d h:i:s"); //12小时 date("Y-m-d h:i:sa"); //小时am或pm