whats commands in php can control windows?
im trying to do some modification in windows by php like : 

Regedit values
executing programs in the user interface 
etc 

can you please tell me what are the avaible command that control windows
whats commands in php can control windows?
===

im trying to do some modification in windows by php like : 

Regedit values
executing programs in the user interface 
etc 

can you please tell me what are the avaible command that control windows