php中取得URL的根域名的代码
php中取得URL的根域名的代码，需要的朋友可以参考下。就跟随小编一起去了解下吧，想了解更多相关信息请持续关注我们免费学习网!
代码如下:
<?php
/**
* 取得根域名
*
* @author lonely
* @create 2011-3-11
* @version 0.1
* @lastupdate lonely
* @package Sl
*/
class Sl_RootDomain
private static $self;
private $domain=null;
private $host=null;
private $state_domain;
private $top_domain;
/**
* 取得域名分析实例
* Enter description here ...
*/
public static function instace
if!self::$self
self::$self=new self;
return self::$self;
private function __construct
$this->state_domain=array
'al','dz','af','ar','ae','aw','om','az','eg','et','ie','ee','ad','ao','ai','ag','at','au','mo','bb','pg','bs','pk','py','ps','bh','pa','br','by','bm','bg','mp','bj','be','is','pr','ba','pl','bo','bz','bw','bt','bf','bi','bv','kp','gq','dk','de','tl','tp','tg','dm','do','ru','ec','er','fr','fo','pf','gf','tf','va','ph','fj','fi','cv','fk','gm','cg','cd','co','cr','gg','gd','gl','ge','cu','gp','gu','gy','kz','ht','kr','nl','an','hm','hn','ki','dj','kg','gn','gw','ca','gh','ga','kh','cz','zw','cm','qa','ky','km','ci','kw','cc','hr','ke','ck','lv','ls','la','lb','lt','lr','ly','li','re','lu','rw','ro','mg','im','mv','mt','mw','my','ml','mk','mh','mq','yt','mu','mr','us','um','as','vi','mn','ms','bd','pe','fm','mm','md','ma','mc','mz','mx','nr','np','ni','ne','ng','nu','no','nf','na','za','aq','gs','eu','pw','pn','pt','jp','se','ch','sv','ws','yu','sl','sn','cy','sc','sa','cx','st','sh','kn','lc','sm','pm','vc','lk','sk','si','sj','sz','sd','sr','sb','so','tj','tw','th','tz','to','tc','tt','tn','tv','tr','tm','tk','wf','vu','gt','ve','bn','ug','ua','uy','uz','es','eh','gr','hk','sg','nc','nz','hu','sy','jm','am','ac','ye','iq','ir','il','it','in','id','uk','vg','io','jo','vn','zm','je','td','gi','cl','cf','cn','yr'
;
$this->top_domain=array'com','arpa','edu','gov','int','mil','net','org','biz','info','pro','name','museum','coop','aero','xxx','idv','me','mobi';
$this->url=$_SERVER['HTTP_HOST'];
/**
* 设置URL
* Enter description here ...
* @param string $url
*/
public function setUrl$url=null
$url=$url?$url:$this->url;
ifempty$urlreturn $this;
if!preg_match"/^http::/is", $url
$url="http://".$url;
$url=parse_urlstrtolower$url;
$urlarr=explode".", $url['host'];
$count=count$urlarr;
if $count<=2
$this->domain=array_pop$url;
else if $count>2
$last=array_pop$urlarr;
$last_1=array_pop$urlarr;
ifin_array$last, $this->top_domain
$this->domain=$last_1.'.'.$last;
$this->host=implode'.', $urlarr;
else if in_array$last, $this->state_domain
$last_2=array_pop$urlarr;
ifin_array$last_1, $this->top_domain
$this->domain=$last_2.'.'.$last_1.'.'.$last;
$this->host=implode'.', $urlarr;
else
$this->host=implode'.', $urlarr.$last_2;
$this->domain=$last_1.'.'.$last;
return $this;
/**
* 取得域名
* Enter description here ...
*/
public function getDomain
return $this->domain;
/**
* 取得主机
* Enter description here ...
*/
public function getHost
return $this->host;
?>