* Thus wrote Hodicska Gergely:
> If you see the output, it seems, that PHP evaluate first $b = 0, and 
> this is the problem.
> 
> > $a = 1 && $b = 0
> > PHP sees two expressions here:
> 
> After the precedence table the first thing should be evaluating 1 && $b, 
> so we get:
> $a = false = 0
> Which is not meaningful thing, and maybe this cause that the evaluating 
> of the statment is not in the right order.

&& takes precedence to the left operator's expression and compares
it to the right side, you really want;

$a = 1 && $b && $b = 0


In what ever case, your expression is rather unclear on what you
want to happen.  

if( 1 && $b ) {
  $a = 1;
  $b = 0;
)


Curt
-- 
Quoth the Raven, "Nevermore."

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