note 34887 modified in function.fsockopen by danbrown

just a quick note for users attempting https and thinking they must resort to curl or alternate methods - you can use fsockopen, just read the docs closely. basically they are saying to use 'ssl://' for a HTTPS (SSL) web request. so this would work for authorize.net, and others; even for that paypal IPN - however I think it would be best to leave the site and deal with paypal's form: <?php $host = "somehost.somedomain.com"; $port = 443; $path = "/the/url/path/file.php"; //or .dll, etc. for authnet, etc. //you will need to setup an array of fields to post with //then create the post string $formdata = array ( "x_field" => "somevalue"); //build the post string foreach($formdata AS $key => $val){ $poststring .= urlencode($key) . "=" . urlencode($val) . "&"; } // strip off trailing ampersand $poststring = substr($poststring, 0, -1); $fp = fsockopen("ssl://".$host, $port, $errno, $errstr, $timeout = 30); if(!$fp){ //error tell us echo "$errstr ($errno)\n"; }else{ //send the server request fputs($fp, "POST $path HTTP/1.1\r\n"); fputs($fp, "Host: $host\r\n"); fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n"); fputs($fp, "Content-length: ".strlen($poststring)."\r\n"); fputs($fp, "Connection: close\r\n\r\n"); fputs($fp, $poststring . "\r\n\r\n"); //loop through the response from the server while(!feof($fp)) { echo fgets($fp, 4096); } //close fp - we are done with it fclose($fp); } ?> --was-- just a quick note for users attempting https and thinking they must resort to curl or alternate methods - you can use fsockopen, just read the docs closely. basically they are saying to use 'ssl://' for a HTTPS (SSL) web request. so this would work for authorize.net, and others; even for that paypal IPN - however I think it would be best to leave the site and deal with paypal's form: $host = "somehost.somedomain.com"; $port = 443; $path = "/the/url/path/file.php"; //or .dll, etc. for authnet, etc. //you will need to setup an array of fields to post with //then create the post string $formdata = array ( "x_field" => "somevalue"); //build the post string foreach($formdata AS $key => $val){ $poststring .= urlencode($key) . "=" . urlencode($val) . "&"; } // strip off trailing ampersand $poststring = substr($poststring, 0, -1); $fp = fsockopen("ssl://".$host, $port, $errno, $errstr, $timeout = 30); if(!$fp){ //error tell us echo "$errstr ($errno)\n"; }else{ //send the server request fputs($fp, "POST $path HTTP/1.1\r\n"); fputs($fp, "Host: $host\r\n"); fputs($fp, "Content-type: application/x-www-form-urlencoded\r\n"); fputs($fp, "Content-length: ".strlen($poststring)."\r\n"); fputs($fp, "Connection: close\r\n\r\n"); fputs($fp, $poststring . "\r\n\r\n"); //loop through the response from the server while(!feof($fp)) { echo fgets($fp, 4096); } //close fp - we are done with it fclose($fp); } http://php.net/manual/en/function.fsockopen.php