Tomas Tintera wrote: > Is there some construct, which evaluates any type of its parameter (like > t_echo, t_unset) and returns some value with normal type (like 0)? What? > > I would like to unset a variable in an operation like ()?unset():() and > I can not use "if" because "if" does not return normal type of value > (like 0 or 'a') and can not be used in operations like () && (). Nor sure I understand that question at all, but... http://php.net/gettype http://php.net/assert http://php.net/is_int You may also want to look at type-casting: http://php.net/language.types.type-juggling.php http://php.net/settype If none of those solve what you want, read the whole front section of the PHP manual on-line -- Up to the "Function Reference" section. I think what you want is in there somewhere. -- Like Music? http://l-i-e.com/artists.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php