PHP實(shí)現(xiàn)通過URL提取根域名
更新時(shí)間:2016年03月31日 09:36:22 作者:973432436
本文給大家分享的是個(gè)人在做項(xiàng)目的時(shí)候遇到的,需要通過php實(shí)現(xiàn)從URL中提取根域名的代碼以及實(shí)現(xiàn)思路,有需要的小伙伴可以參考下
PHP根據(jù)URL提取根域名,個(gè)人工作中用到,由于網(wǎng)絡(luò)上很多代碼都不能得到正確結(jié)果就自己寫了一個(gè),歡迎大家使用并提出其中的bug.
<?php #使用示例 echo getBaseDomain('http://blog.jp.goo.ne.jp/index.php')->domain;echo "\n"; echo getBaseDomain('http://51.ca/index.php')->domain;echo "\n"; echo getBaseDomain('http://blog.ab.cc.win.aisa.hk/index.php')->domain;echo "\n"; function getBaseDomain($url=''){ if(!$url){ return $url; } #列舉域名中固定元素 $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','com','arpa','edu','gov','int','mil','net','org','biz','info','pro','name','museum','coop','aero','xxx','idv','me','mobi','asia','ax','bl','bq','cat','cw','gb','jobs','mf','rs','su','sx','tel','travel' ); if(!preg_match("/^http/is", $url)){ $url="http://".$url; } $res = null; $res->domain = null; $res->host = null; $url_parse = parse_url(strtolower($url)); $urlarr = explode(".", $url_parse['host']); $count = count($urlarr); if($count <= 2){ #當(dāng)域名直接根形式不存在host部分直接輸出 $res->domain = $url_parse['host']; }elseif($count > 2){ $last = array_pop($urlarr); $last_1 = array_pop($urlarr); $last_2 = array_pop($urlarr); $res->domain = $last_1.'.'.$last; $res->host = $last_2; if(in_array($last, $state_domain)){ $res->domain=$last_1.'.'.$last; $res->host=implode('.', $urlarr); } if(in_array($last_1, $state_domain)){ $res->domain = $last_2.'.'.$last_1.'.'.$last; $res->host = implode('.', $urlarr); } #print_r(get_defined_vars());die; } return $res; }
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