Re: isset($a->b) even if $a->b = null

Olav Mørkrid wrote: > how do i test if a property of a stdclass object is set, even if its > value is null, similar to how array_key_exists() works for arrays. > > the following method fails: > > $a->b = null; > if(isset($a->b)) > echo "yes"; > > and property_exists() seems only to work for defined objects. > > hope someone can help. thanks! You can try: unset($a-b) Or change isset() to empty(). empty() catches more than isset() e.g. '' (empty string), false, 0 etc. are considered "empty". Depending on your logic it can still be very useful. It is a language construct rather than a function so it's also efficient. Col