2014-03-05 9:52 GMT+01:00 Robert Stoll <php@xxxxxxxxxx>: > > > From: Sebastian Krebs [mailto:krebs.seb@xxxxxxxxx] > Sent: Wednesday, March 05, 2014 3:18 AM > To: Robert Stoll > Cc: PHP General List > Subject: Re: Mixed return type - boolean and array/resource/closure > or object > > > Some array functions like "current", "array_pop" and so on (item of > arbitrary type or null) can return everything. An > example for "boolean or object" is 'date_create' [1]. Afaik there is no > built-in function, that returns a closure, so > the combination "boolean or closure" is not possible at all. > > Hm... date_create is an alias of DateTime::__construct and as far as I > understood __construct returns usually an object > and false only in the case where an exception has been thrown anyway. > Right? > It isn't directly an alias, because one is a method and the other one a function ;) OK, thats too easy, but that makes the difference: In case of an error DateTime::__construct() emits an Exception (OOP-like), whereas date_create() proceeds, but return 'false' (functional-like). -- github.com/KingCrunch
