Fail to obtain the computer information from php5.3

Fail to obtain the computer information in php5.3 & lt ;? Php // phpinfo (); // exit;/** & nbsp; obtain the hard drive serial number & nbsp; */function & nbsp; getDiskSID () {$ sid & nbsp; = & nbsp; array (); $ you cannot obtain the computer information from php5.3.
// Phpinfo ();

// Exit;
/** Obtain the hard disk serial number */
Function getDiskSID (){
$ Sid = array ();
$ Wmd = new COM ("Winmgmts: //./root/cimv2 ");
$ Wqd = $ wmd-> ExecQuery ("Select * From Win32_DiskDrive ");
Foreach ($ wqd as $ row ){
$ Sid [] = $ row-> PNPDeviceID;
}
Return $ sid;
}

/** Obtain the CPU serial number */
Function getCpuSID (){
$ Sid = array ();
$ ObjLocator = new COM ("WbemScripting. SWbemLocator ");
$ Wmi = $ objLocator-> ConnectServer ();
// $ Info = $ wmi-> Get ("Win32_PnPEntity ");
$ Info = $ wmi-> Get ("Win32_Processor ");
$ ArrProp = $ info-> Properties _();
$ ArrWEBMCol = $ info-> Instances _();
Foreach ($ arrWEBMCol as $ objItem ){
$ Sid [] = $ objItem-> ProcessorId;
}
Return $ sid;
}

/** Obtain the serial number of the motherboard */
Function getBoardSID (){
$ Sid = array ();
$ ObjLocator = new COM ("WbemScripting. SWbemLocator ");
$ Wmi = $ objLocator-> ConnectServer ();
$ Info = $ wmi-> Get ("Win32_BaseBoard ");
$ ArrWEBMCol = $ info-> Instances _();
Foreach ($ arrWEBMCol as $ row ){
$ Sid [] = $ row-> SerialNumber;
}
Return $ sid;
}

Var_dump (@ getBoardSID ());
Var_dump (@ getDiskSID ());
Var_dump (@ getCpuSID ());


The younger brother of MySQL 5.2 is here to ask for help and share the following:
------ Solution --------------------
Since php5.3, the COM extension is no longer loaded by default.
Php. ini
Extension = php_com_dotnet.dll