Can PHP tell if the server os is 64-bit?

Question

I am dealing with Windows here.

I know you can use the $_SERVER[\'HTTP_USER_AGENT\'] variable to detect the OS of the browser viewing the page, but is t

Answer 1

I've had luck with bit-shifting, and taking advantage boolean casting.

function is64bit()
{
  return (bool)((1<<32)-1);
}
// or
function is32bit()
{
  return 1<<32 === 1;
}