PHP: Obtain the MAC address of a specific instance _ php instance

Share a php code for obtaining the mac address of a machine and learn how to read hardware information from php. This Code is applicable to windows and linux systems. If you have any need, refer to the php code shared in this section. The main functions are as follows:
Obtain the physical (MAC) Address of the machine Nic.
Code:

The Code is as follows:

/**
* Obtain the physical (MAC) Address of the machine Nic
* Currently, Windows/LINUX systems are supported.
**/
Class MacAddInfo {
Var $ return_array = array (); // returns a string array 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;
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