Read the source file of a certain site, then use regular expressions to analyze its source code and get all the links.
- /**********qiushuiwuhen(2002-5-20)***********/
- if(empty($url))$url = "http://www.csdn.net/expert/";//Set url
- $site =substr($url,0,strpos($url,"/",8));//Site
- $base=substr($url,0,strrpos($url,"/") 1);//File Directory
- $fp = fopen($url, "r" );//Open url
- while(!feof($fp))$contents.=fread($fp,1024);//
- $pattern="|href=['"]?([^ '"] )['" ]|U";
- preg_match_all($pattern,$contents, $regArr, PREG_SET_ORDER);//Match all href=
- for ($i=0;$iif(!eregi("://",$regArr[$i][1]))//Whether It is a relative path, that is, whether there is ://
- if(substr($regArr[$i][1],0,1)=="/")//whether it is the root directory of the site
- echo "link". ($i 1).":".$site.$regArr[$i][1]."
";//Root directory
- else
- echo "link".($i 1). ":".$base.$regArr[$i][1]."
";//Current directory
- else
- echo "link".($i 1).":".$regArr [$i][1]."
";//Relative path
- }
- fclose($fp);
- ?>
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