No notices - But this syntax has been introduced in 7.0. Old style is: isset($array[$key]) ? $array[$key] : $default Which is, admittedly, just a bit uglier.

No notices - But this syntax has been introduced in 7.0. Old style is: isset($array[$key]) ? $array[$key] : $default Which is, admittedly, just a bit uglier. Edit: isset() is a language construct, not a function call. So it does not incur performance penalties. The ?? operator was introduced for 'cosmetic' reasons only, so don't rush to update your source...