利用PHP實現(xiàn)短域名互轉(zhuǎn)

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如何使用PHP實現(xiàn)短域名互轉(zhuǎn)？下面的代碼可以扶助你實現(xiàn)，分外簡樸，需要的摯友可以參考下。

代碼如下:

/**

*短域名生成解析類

*/

classBuild_URL

private$mem;

private$base_url=/;

publicfunction__construct

$mem_conf=array

array

host=0,

port=11116

,

array

host=0,

port=11117

,

;

$this-mem=newMemcache;

foreach$mem_confas$v

$this-mem-addServer$v[host],$v[port];

publicfunctionencode$url

$url=trim$url;

if!preg_match#^[http://|https://|ftp://]#iS,$url

returnfalse;

$md5=md5$url;

$aid=$this-mem-get$md5;

if!$aid

if$aid=$this-mem-incrementauto_increment_id===false

$this-mem-setauto_increment_id,10000;

$aid=$this-mem-incrementauto_increment_id;

$this-mem-set$md5,$aid;

$key=$this-dec2any$aid;

$this-mem-set$key,$url;

else

$key=$this-dec2any$aid;

return$this-base_url.$key;

publicfunctiondecode$url

$key=str_replace$this-base_url,,trim$url;

return$this-mem-get$key;

privatefunctiondec2any$num,$base=62,$index=false

$out=;

if!$base

$base=strlen$index;

elseif!$index

$index=substr0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ,0,$base;

$t=$num==0?0:floorlog10$num/log10$base;

for$t;$t=0;$t--

$a=floor$num/pow$base,$t;

$out=$out.substr$index,$a,1;

$num=$num-$a*pow$base,$t;

return$out;

$app=newBuild_URL;

$url=array

http://.,

http://.,

http://.

;

foreach$urlas$v

$sort=$app-encode$v;

echosortlink: