function backlink help

[deAthbLisS]

Edited:
try this

$subBacklink = 'href="warezrelease.org"';

        function subBacklink($arr) {
            global $subBacklink;
            if(!$arr['status'])
                return $arr;
                $surl = $arr['site']['surl'];
                $get = @file_get_contents('http://'.$surl.'/');
                if(preg_match('#href=\"http://(www\.)?'.$subBacklink.'#i',$get))
                    //Move the code which accepts the submission here...
                    else
                    //put the code that blacklists the site here
                    return $arr;
        } 

or try this:

$subBacklink = 'href="warezrelease.org"';

        function subBacklink($arr) {
            global $subBacklink;
            if(!$arr['status'])
                return $arr;
                $surl = $arr['site']['surl'];
                $get = @file_get_contents('http://'.$surl.'/');
                if(preg_match('#href=\"http://(www\.)?'.$subBacklink.'#i',$get))
                    $BackCheck = true;
                    else
                    $BackCheck = false;
                return $arr;
        } 

check in the submit.php

if ($BackCheck == true)
//code that accepts the downloads

else
//code that blacklists the site