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Net_Portscan::checkPort()

Net_Portscan::checkPort() -- check for available service

Synopsis

require_once 'Net/Portscan.php';

boolean Net_Portscan::checkPort (string $host, integer $port [, integer $timeout = 30])

Beschreibung

This function checks if there is a service available at the specified port on the specified machine.

Parameter

  • string $host - address of the host to check

  • string $port - port to check

  • string $timeout - time in seconds to wait for response from host

    Wichtig: If you run into timeout problems despite setting this parameter to a reasonably high value, you need to make sure that the configuration directive default_socket_timeout in the php.ini configuration file does not force the maximum timeout down to a lower value.

Rückgabewert

boolean - Gibt bei Erfolg TRUE zurück, bei einem Fehler FALSE.

Hinweise

Diese Methode kann statisch aufgerufen werden.

Beispiel

Beispiel 54-1. Using checkPort


<?php
require_once "Net_Portscan/Portscan.php";

if (Net_Portscan::checkPort("localhost", 80) == NET_PORTSCAN_SERVICE_FOUND) {
    echo "There is a service on localhost on port 80 (" . Net_Portscan::getService(80) . ").\n";
}
?>
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