RE: Mixed return type - boolean and array/resource/closure or object

> -----Original Message----- > From: Christoph Becker [mailto:cmbecker69@gmx.de] > Sent: Tuesday, March 04, 2014 1:27 AM > To: Robert Stoll; php-general@lists.php.net > Subject: Re: Mixed return type - boolean and array/resource/closure or object > > Robert Stoll wrote: > > > I would like to know if a PHP built-in function/method exists which returns one of the > > following combinations > > - a boolean or an array > > - a boolean or a resource > > - a boolean or a closure > > - a boolean or an object > > > > I searched in the language manual, but it is quite hard to be honest since there is not > > really an overview. > > Please get back to me if you are certain that there is not such a function/method or give > > me an example if there is one. > > Off the top of my head, I can only name functions that return > resource/boolean, such as fopen(). But as boolean might be used as > failure indicator, there may be functions with the other return types. > > BTW: what do you need that information for? > > -- > Christoph M. Becker Thank you, I see that the signature in the documentation is not appropriate. My first thought was also fopen but well, the documentation confused me :)