How to implement TCP port detection in php, implement tcp port in php_PHP tutorial

How to implement TCP port detection in php, how to implement tcp port in php

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

This program can confirm whether the current port is available:

<&#63;php
class 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 be helpful to everyone’s PHP programming design.

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