Php implements TCP port detection, php implements tcp port _ PHP Tutorial

Php implements TCP port detection, and php implements tcp port. Php implements TCP port Detection. php implements tcp port. This article describes how php implements TCP port detection. Share it with you for your reference. The procedure is as follows: This program can confirm the TCP port detection method of php, and php implements tcp port

This example describes how to implement TCP port detection in php. Share it with you for your reference. The details are as follows:

This program can check whether the current port is available:

<?phpclass Health {  public static $status;  public function __construct()  {  }  public function check($ip, $port){    $sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);    socket_set_nonblock($sock);    socket_connect($sock,$ip, $port);    socket_set_block($sock);    self::$status = socket_select($r = array($sock), $w = array($sock), $f = array($sock), 5);    return(self::$status);   }  public function checklist($lst){  }  public function status(){    switch(self::$status)    {      case 2:        echo "Closed\n";        break;      case 1:        echo "Openning\n";        break;      case 0:        echo "Timeout\n";        break;    }    }}$ip='192.168.2.10';$port=80;$health = new Health();$health->check($ip, $port);$health->status();

I hope this article will help you with php programming.

The example in this article describes how to implement TCP port detection in php. Share it with you for your reference. Details: The program can be confirmed...