function timediff($starttime, $end_time = null) { date_Default_TimeZone_set("PRC"); $starttime = strtotime($starttime); if (!$end_time) { $end_time = strtotime(date("Y-m-d H:i:s")); } if ($starttime >= $end_time) { return "1秒"; } $timediff = $end_time - $starttime; //var_dump($timediff); $days = intval($timediff / 86400); $remain = $timediff % 86400; $hours = intval($remain / 3600); $remain = $remain % 3600; $mins = intval($remain / 60); $secs = $remain % 60; if ($mins > 0) { $res .= $mins . "分"; } if ($secs > 0) { $res .= $secs . "秒"; } if ($hours > 0) { $res = $hours . "小时"; } if ($days > 0) { $res = $days . "天"; } if (!$res) { $res = "1秒"; } return $res; }
<?php //作者:Knight date_Default_TimeZone_set("PRC"); require_once("fun.php"); require_once("config.php"); $biaoti = $_POST['biaoti']; $neirong = $_POST['neirong']; $touxiang = $_POST['touxiang']; $nicheng = $_POST['nicheng']; $page = $_GET['page']; //插入数据库 if($biaoti) { $time = time(); $sql = "insert into lyb set biaoti='$biaoti',neirong='$neirong',touxiang='$touxiang',time='$time',nicheng='$nicheng'"; mysql_query("SET NAMES 'utf8'"); $rs = mysql_query($sql); if($rs) { echo "<meta http-equiv=refresh content='0; url=index.php'>"; } } //删除留言 if($_GET['pd']=='del') { $id = $_GET['id']; $sql = "delete from lyb where id='$id'"; mysql_query("SET NAMES 'utf8'");