How to get all fixed seed links in a Web page in bulk by PHP

The example in this paper describes how to get all the fixed seed links in a Web page in bulk by PHP. Share to everyone for your reference, as follows:

Often download links more time, like once all the links added to Thunderbolt or electric stove, but not in this option, how to do, we are phper ah, this matter difficult to our

And look at the code, of course, you have to change according to the specific circumstances.

<?phpheader ("Content-type:text/html;charset=utf8"); $str = file_get_contents ('./showfile.asp '); $str 1 = ' <a Href= "ed2k"; $str 2 = ' > '; $pos 1 = 0; $pos 2 = 0; $pos 3 = 0; $len = strlen ($str); $ed 2k = "; for ($i =5000; $i < $len;) {  $pos 1 = strpos ($str, $str 1, $i) + 9;  $pos 2 = Strpos ($str, $str 2, $pos 1)-2;  $pos 3 = $pos 2-$pos 1;  Indicates that the feature connection has not been present. Discard the Find  if ($pos 1 = = 9) {break;}  $ed 2k = substr ($str, $pos 1, $pos 3+1). " \ r \ n ";  File_put_contents (' D:/log/a.txt ', $ed 2k,file_append);  Echo substr ($str, $pos 1, $pos 3+1). '  
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