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PHP-Novice, PING??



Hej liste.
Jeg er stort set ny og uprøvet i PHP, men jeg har brug for at kunne pinge en
række computere i et netværk engang imellem, og jeg prøver foreløbig at få
noget til at virke, som jeg har sakset fra www.planet-source-code.com.

En del af koden er:

$socket = socket_create(AF_INET, SOCK_RAW, 1);
    echo "Trying to connect<br>";
    if( socket_connect($socket, "www.shs-consult.dk", null))
      {
      echo "Socket connected<br>";
      // If you're using below PHP 5, see the manual for the microtime_float
      // function. Instead of just using the m
      //     icrotime() function.
      $startTime = microtime(true);
      socket_send($socket, $package, strLen($package), 0);
      if (socket_read($socket, 255)) {
      echo round(microtime(true) - $startTime, 4) .' seconds';
      }
    else echo "Socket didn't connect<br>";
    }

Det siger godt nok "Trying to connect", men derefter siger den INGENTING,
hverken at det lykkedes eller at det ikke lykkedes.

I må da gerne se hele linket jeg huggede den fra - det er:
http://www.planet-source-code.com/vb/scripts/ShowCode.asp?lngWId=8&txtCodeId=1786

Nogen gode ideer til hvad jeg gør galt?

Mange venlige hilsner
Søren H. Sørensen


 
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