PHP to obtain a specific instance of MAC address _php instance

This section shares the PHP code, the main features:
Gets the physical (MAC) address of the machine's network card.
Code:

Copy Code code as follows:

<?php
/**
* Obtain the physical (MAC) address of the Machine network card
* Currently supports WIN/LINUX systems
**/
Class Macaddinfo {
var $return _array = Array (); Returns an array of strings with a MAC address
var $mac _addr;

function Macaddinfo ($os _type) {
Switch (Strtolower ($os _type)) {
Case "Linux":
$this->forlinux ();
Break
Case "Solaris":
Break
Case "UNIX":
Break
Case "AIX":
Break
Default:
$this->forwindows ();
Break
}
$temp _array = Array ();
foreach ($this->return_array as $value) {

if (Preg_match ("/[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f][:-]". "[0-9a-f][0-9a-f]/i", $value, $temp _array)) {
$this->mac_addr = $temp _array [0];
Break
}
}
unset ($temp _array);
return $this->mac_addr;
}

function Forwindows () {
@exec ("Ipconfig/all", $this->return_array);
if ($this->return_array)
return $this->return_array;
else {
$ipconfig = $_server ["windir"]. "/system32/ipconfig.exe";
if (Is_file ($ipconfig))
@exec ($ipconfig. "/all", $this->return_array);
Else
@exec ($_server ["windir"]. "/system/ipconfig.exe/all", $this->return_array);
return $this->return_array;
}
}

function Forlinux () {
@exec ("Ifconfig-a", $this->return_array);
return $this->return_array;
}
}
Call Example
$mac = new Macaddinfo (php_os);
Echo $mac->mac_addr;
?>