PHP Regular expression get content all links _php Tips

Source: Internet
Author: User
Tags php regular expression regular expression

Method One:

function Get_all_url ($code) { 
    preg_match_all ('/<as+href=[' | ']? ([^> "']+") ["|']? S*[^>]*> ([^>]+) </a>/i ', $code, $arr); 
    Return Array (' name ' => $arr [2], ' URL ' => $arr [1]); 
}

Method Two:

/**
 * Date 2015-07-24
 **/
 
$site =substr ($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; $i <count ($regarr); $i + +) { Iterate through all matches if 
(!eregi (":/", $regarr [$i][1]))//is the relative path, that is, whether there are also:// 
if (substr ($regarr [$i][1],0,1) = = "/")// is the root of the site, 
  echo "link." ( $i + 1). ":". $site. $regarr [$i][1]. " <br/>//root 
else
  echo "link". ( $i + 1). ":". $base. $regarr [$i][1]. " <br/>/The current directory 
else
echo "link". ( $i + 1). ":". $regarr [$i][1]. " <br/> "//Relative path 
}
fclose ($FP);

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