PHP中获取今天的时间戳几个方法

表单：<form action="?action=doing" method="post">

<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="1"/>

<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="2"/>

<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="3"/>

<input name="ID_Dele[]" type="checkbox" id="ID_Dele[]" value="4"/>

<input type="submit"/>

</form>

$ID_Dele= implode(",",$_POST['ID_Dele']);

$SQL="delete from `doing` where id in ($ID_Dele)";

<?
//数据库连接就不写在这里面了
$s = isset( $_GET['s'] )?$_GET['s']:0;
$e = isset( $_GET['e'])?$_GET['e']:50;
$count =85000;

if( $s < $count )
{
 $sql = "select * from 表前缀_info where isget =0 order by id desc limit $s,$e ";
 $query = mysql_query( $sql );
 while( $rs = mysql_fetch_array( $query ) )
 {
  $id = $rs['id'];
  $sss = $rs['sss'];
  $typeid = $rs['typeid'];
  $isget = $rs['isget'];
  $sql = "insert into 表前缀_info_bak (id,表前缀,typeid,isget) values('$id','$sss','$typeid','$isget')";
  mysql_query( $sql ) ;
  echo $sql;
  //exit;
  $sqlu = "update 表前缀_info set isget=1 where id =".$rs['id'];
  mysql_query( $sqlu );
 }
 echo '<meta http-equiv="refresh" content="0;url=rand.php?s='.($s+50).'&e=50">正在处理数据，当前为'.$s.'条．．．．．．';
}
else
{
 echo '完成所有数据处理 <a href=rand.php>再随机排序一次</a>';
}
?>

<?
//获取当前的域名:
echo $_SERVER['SERVER_NAME'];
//获取来源网址,即点击来到本页的上页网址
echo $_SERVER["HTTP_REFERER"];
$_SERVER['REQUEST_URI'];//获取当前域名的后缀
$_SERVER['HTTP_HOST'];//获取当前域名
dirname(__FILE__);//获取当前文件的物理路径
dirname(__FILE__)."/../";//获取当前文件的上一级物理路径
?>

function getUrlRoot($url){

        #添加头部和尾巴
        $url = $url . "/";
        #判断域名
        preg_match("/((＼w*):＼/＼/)?＼w*＼.?([＼w|-]*＼.(com.cn|net.cn|gov.cn|org.cn|com|net|cn|org|asia|tel|mobi|me|tv|biz|cc|name|info))
＼//", $url, $ohurl);
        #判断IP
        if($ohurl[3] == ''){
                preg_match("/((＼d+＼.){3}＼d+)＼//", $url, $ohip);
                return $ohip[1];
        }
        return $ohurl[3];
}

/**
 * 取得根域名
 * @param type $domain 域名
 * @return string 返回根域名
 */
function GetUrlToDomain($domain) {
    $re_domain = '';
    $domain_postfix_cn_array = array("com", "net", "org", "gov", "edu", "com.cn", "cn");
    $array_domain = explode(".", $domain);
    $array_num = count($array_domain) - 1;
    if ($array_domain[$array_num] == 'cn') {
        if (in_array($array_domain[$array_num - 1], $domain_postfix_cn_array)) {
            $re_domain = $array_domain[$array_num - 2] . "." . $array_domain[$array_num - 1] . "." . $array_domain[$array_num];
        } else {
            $re_domain = $array_domain[$array_num - 1] . "." . $array_domain[$array_num];
        }
    } else {
        $re_domain = $array_domain[$array_num - 1] . "." . $array_domain[$array_num];
    }
    return $re_domain;
}