in assembly(32bit, Linux):   in C:               in PHP:
mov eax, 1                   int x=1;            $x = 1;
mov ebx, 2                   int y=2;            $y = 2;
cmp eax, ebx                 if(x<>y){           if($x<>$y){
jne not_equal_function       goto not_equal; }   not_equal_func(); }