Brian, What we are talking about here is an **optional** feature for user-land function that allow the author to implement really cheap input-validation to facilitate ensuring that the correct input is supplied. Additionally it also allows for better language interrogation for auto-generation of things like SOAP WSDL and alike.
On Wed, May 26, 2010 at 6:02 PM, Brian Moon <br...@moonspot.net> wrote: > I like the idea of type hinting a lot. (See: > http://marc.info/?l=zend-engine2&m=102421231114377&w=2) I suggested it in > 2001 when ZE2 was being designed. Somehow my idea was bastardized into only > classes and arrays. Guess it was the mad OOP craze of the time. > > Anyhow, I would like to use it. And, as much as I appreciate Derick and > Ilia's work in getting a change in, I likely won't use it. Mainly because > the web is a bunch of strings. Casting data from MySQL every time I want to > use it does not interest me at all. Its a number in string form, treat it > like one. If you use filter, you still have to worry with casting. There is > no way to always get an int back from filter regardless of the input given. > > Really, I am confused what the argument is about. We already decided how > this should work years ago. It should work just like the code below. Having > user land functions work different than built in functions is the most > confusing thing you can do. Unless of course someone plans on fixing all the > internal functions too. > > ================ > > <?php > > error_reporting(E_ALL); > > $int = 1.25454; > > $var = substr($int, 0, 4); > > var_dump($var); > > $var = round($var, 1); > > var_dump($var); > > $arr = array(); > > $var = substr($arr, 0, 1); > > var_dump($var); > > $text = "test"; > > $var = round($text, 1); > > var_dump($var); > > ?> > > $ php test.php > string(4) "1.25" > float(1.3) > > Warning: substr() expects parameter 1 to be string, array given in > /Users/brianm/test.php on line 17 > NULL > float(0) > > Brian. > -------- > brianlm...@php.net > http://brian.moonspot.net/ > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >
