1.需求如下:
假设某网站域名为http://www.wangzhan.com,要实现这个功能:
域名第一个字符遍历
http://www.aangzhan.com
……
zangzhan.com
域名第二个字符遍历
http://www.wangzhan.com
……
wzngzhan.com
以此类推到域名最后一个字符遍历
2.实现代码如下:
<?php $str=$argv[1]; $website_arr=explode(".",$str); $website_name=$website_arr[1]; $website_length=strlen($website_name); $key = array( array("/j/","l"), array("/l/","j"), array("/i/","j"), array("/j/","i"), array("/i/","1"), array("/1/","i"), array("/j/","1"), array("/1/","j"), array("/l/","i"), array("/i/","l"), array("/b/","lo"), array("/lo/","b"), array("/q/","9"), array("/9/","q"), array("/u/","v"), array("/v/","u"), array("/6/","b"), array("/b/","6"), array("/w/","vv"), array("/vv/","w"), array("/m/","nn"), array("/nn/","m"), array("/o/","0"), array("/0/","o"), array("/m/","n"), array("/n/","m"), array("/com/","com.cn"), array("/com/","cn"), array("/com/","net"), array("/com/","org"), array("/com/","tk"), array("/com/","pk"), array("/com/","cf"), array("/com/","cc"), array("/com/","tv"), array("/com/","pl"), array("/com/","im"), array("/cn/","com"), array("/cn/","com.cn"), array("/cn/","net"), array("/cn/","org"), array("/cn/","tk"), array("/cn/","pk"), array("/cn/","cf"), array("/cn/","cc"), array("/cn/","tv"), array("/cn/","pl"), array("/cn/","im"), array("/cn/","cn.com"), array("/cn/","cn.org"), array("/cn/","org.cn"), array("/cn/","net.cn"), array("/cn/","cn.net"), array("/www./","www-"), array("/www./","www"), array("/china/","chnina"), array("/abc/","abcd"), array("/bank/","bork"), array("/bank/","benk"), array("/bank/","bonk"), array("/bank/","bark"), array("/so/","sou"), array("/2/","z"), array("/z/","2"), array("/c/","2"), array("/c/","z"), ); for($j=0;$j<$website_length;$j++){ if($j==0){ dealstring('',substr($website_name,$j+1),$website_arr,$key); }else if($j==$website_length-1){ dealstring(substr($website_name,0,$j),'',$website_arr,$key); }else{ dealstring(substr($website_name,0,$j),substr($website_name,$j+1),$website_arr,$key); } } function dealstring($str_zuo,$str_you,$website_arr,$key){ //echo 'string:'.$str_zuo.' '.$str_you."\r\n"; for($i=97;$i<123;$i++){ echo findHost($website_arr[0].'.'.$str_zuo.chr($i).$str_you.'.'.$website_arr[2],$key); } } function findHost($host,$key){ //echo $host."\r\n"; for($i=0;$i<sizeof($key);$i++){ $hostChange =preg_replace($key[$i][0],$key[$i][1],$host); if($hostChange!=$host) echo $hostChange."\r\n"; } } ?> |