PHP obtains the MAC address of the computer Nic

Obtain the MAC address of the NIC. Currently, the physical (MAC) address of the NIC can be obtained in WINLINUX. & lt ;? Php ** obtains the MAC address of the NIC. Currently, the physical (MAC) address of the NIC can be obtained in WINLINUX ** classGetMacAddr {var $ return_array to obtain the MAC address of the NIC; currently, Windows/LINUX systems are supported to obtain the physical (MAC) address of the machine Nic.

 /**
Obtain the MAC address source code of the NIC. Currently, Windows/LINUX systems are supported.
Obtain the physical (MAC) address of the machine Nic
**/
        
Class GetMacAddr {
        
Var $ return_array = array (); // returns a string array with a MAC address.
Var $ mac_addr;
        
Function GetMacAddr ($ 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;
}
         
}
// Method usage
$ Mac = new GetMacAddr (PHP_ OS );
Echo $ mac-> mac_addr;
?>