sockets - udp connection to server -


i got template ($request) send server on udp port.

i compile $request as:

$request = '<?xml version="1.0" encoding="utf-8"?>     <srv version="1.0" msg_type="request">         <header>             <param name="sn" value="'       . ++$sn . '" />             <param name="user" value="'     . $api_user . '" />             <param name="cmd" value="'      . $cmd . '" />         </header>      <mycmd>      </mycmd> </srv>';

i try communicate server with:

if(!($sock = socket_create(af_inet, sock_dgram, 0))) {     $errorcode = socket_last_error();     $errormsg = socket_strerror($errorcode);      die("couldn't create socket: [$errorcode] $errormsg \n"); }  echo "socket created \n<br />";  //communication loop while(1) {      if( ! socket_sendto($sock, $input , strlen($request) , 0 , $server , $port))     {         $errorcode = socket_last_error();         $errormsg = socket_strerror($errorcode);          die("could not send data: [$errorcode] $errormsg \n");     }      //now receive reply server , print     if(socket_recv ( $sock , $reply , 2045 , msg_waitall ) === false)     {         $errorcode = socket_last_error();         $errormsg = socket_strerror($errorcode);          die("could not receive data: [$errorcode] $errormsg \n");     }      echo "reply : $reply"; }

and get:

socket created not send data: [0] success

what doing wrong?


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