Re: A serious bug? "or" operator gives out diffferent results depending

> From: Bogdan Ribic <ribicb@yahoo.com> > Here's a little test script: > > -------------------- > $x = 2; > $y = 10; > > $b1 = is_null($x) or ($y > 5); > $b2 = ($y > 5) or is_null($x); > > var_dump($b1); > var_dump($b2); > -------------------- > > Obviously, it should be false for both $b1 and $b2, but the output is: > > bool(false) > bool(true) > > Is this a bug? I tried dumping values of two expressions, they are both > boolean and correct value. Tried assigning values to two temp vars and > then or-ing these two, and that gave correct results. = has a higher precedence than OR and OR is not the same as || http://www.php.net/manual/en/language.operators.php#language.operators.precedence So you should use $b1 = is_null($x) || ($y > 5); ---John Holmes... UCCASS - PHP Survey System http://www.bigredspark.com/survey.html