"the right way"

[Matija Papec]

I'm curious which of the two examples is more preferred or it depends
entirely on someone style? 
----------------
$x = 1;

#1)
if ($x) { $x = 0 }
#2)
$x = 0 if $x;
----------------
IMO first is more convenient and orthodox but that is just me. :)


-- 
Matija