linux - php Domain Availability Checker Script -


i have got script answer on php domain availability function. can please tell me how can use script echo "domain stackoverflow.com registered/free". , here can see using fsockopen method means work fine on windows server platform linux server platform? code work there? if not, changes need make support linux servers? please without using exec() command host has blocked exec(), system() etc.

script

<?php     function checkdomain($domain,$server,$findtext){         // open socket connection whois server         $con = fsockopen($server, 43);         if (!$con) return false;          // send requested doman name         fputs($con, $domain."\r\n");          // read , store server response         $response = ' :';         while(!feof($con)) {             $response .= fgets($con,128);          }          // close connection         fclose($con);          // check response stream whether domain available         if (strpos($response, $findtext)){             return true;         }         else {             return false;            }     } ?>  $status = checkdomain("stackoverflow.com",'whois.crsnic.net','no match for');


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