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Groups > comp.lang.php > #14547
| From | Jerry Stuckle <jstucklex@attglobal.net> |
|---|---|
| Newsgroups | comp.lang.php |
| Subject | Re: OO PHP result of new if a constructor fails |
| Date | 2014-11-12 07:08 -0500 |
| Organization | A noiseless patient Spider |
| Message-ID | <m3vijk$864$1@dont-email.me> (permalink) |
| References | (1 earlier) <4146385.JyWBYEY6r6@PointedEars.de> <m3uevr$s4b$1@solani.org> <871tp9w15b.fsf@ahungry.com> <m3ukj6$5e8$1@dont-email.me> <87wq71ue02.fsf@ahungry.com> |
On 11/12/2014 1:30 AM, Matthew Carter wrote:
> Jerry Stuckle <jstucklex@attglobal.net> writes:
>
>> On 11/11/2014 10:25 PM, Matthew Carter wrote:
>>> "Christoph M. Becker" <cmbecker69@arcor.de> writes:
>>>
>>>> Thomas 'PointedEars' Lahn wrote:
>>>>
>>>>> James Harris wrote:
>>>>>
>>>>>> I understand that PHP constructors cannot return anything
>>>>>
>>>>> Doubtful.
>>>>
>>>> AIUI, a PHP constructor is the method __construct, and that does not
>>>> create an object, but merely initializes it, so the constructor can be
>>>> thought of as a command (opposed to a query), and as such would never
>>>> return anything (at least when properly called within a /new/ statement).
>>>
>>> Although you can return any value you like when an extending class calls
>>> it via a parent::__construct() call.
>>>
>>
>> Although PHP may not complain (I don't know, I've never tried it),
>> returning a value from a __construct() method is documented as invalid.
>> See http://php.net/manual/en/language.oop5.decon.php. The return value
>> of the function is void (no return value).
>
> So would this be a case of a bug in PHP or a bug in the documentation?
>
> <?php
>
> class foo
> {
> public function __construct ()
> {
> return 42;
> }
> }
>
> class bar extends foo
> {
> public function __construct ()
> {
> $z = parent::__construct ();
> var_dump ($z);
> }
> }
>
> $a = new bar ();
> $b = new foo ();
> var_dump ($b->__construct ());
>
> Produces output (with all warnings turned on):
> int(42)
> int(42)
>
> Obviously magically calling/running the __construct via a new class
> instance disregards the return result though.
>
>
I would say a bug in PHP.
--
==================
Remove the "x" from my email address
Jerry Stuckle
jstucklex@attglobal.net
==================
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OO PHP result of new if a constructor fails "James Harris" <james.harris.1@gmail.com> - 2014-11-11 15:13 +0000
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-11 10:20 -0500
Re: OO PHP result of new if a constructor fails "James Harris" <james.harris.1@gmail.com> - 2014-11-11 15:56 +0000
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-11 11:03 -0500
Re: OO PHP result of new if a constructor fails "James Harris" <james.harris.1@gmail.com> - 2014-11-11 16:27 +0000
Re: OO PHP result of new if a constructor fails Matthew Carter <m@ahungry.com> - 2014-11-11 12:01 -0500
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-11 12:56 -0500
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-11 12:52 -0500
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-11 18:12 +0100
Re: OO PHP result of new if a constructor fails Richard Damon <Richard@Damon-Family.org> - 2014-11-11 13:03 -0500
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-11 23:54 +0100
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-12 03:00 +0100
Re: OO PHP result of new if a constructor fails Matthew Carter <m@ahungry.com> - 2014-11-11 22:25 -0500
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-11 22:36 -0500
Re: OO PHP result of new if a constructor fails Matthew Carter <m@ahungry.com> - 2014-11-12 01:30 -0500
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-12 07:08 -0500
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-12 13:30 +0100
Re: OO PHP result of new if a constructor fails Denis McMahon <denismfmcmahon@gmail.com> - 2014-11-12 13:52 +0000
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-13 00:46 +0100
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-12 22:28 -0500
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-12 21:30 +0100
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-13 01:15 +0100
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-13 04:09 +0100
Re: OO PHP result of new if a constructor fails Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2014-11-13 07:42 +0000
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-13 14:11 +0100
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-13 21:40 +0100
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-14 13:49 +0100
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-14 23:25 +0100
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-12 22:29 -0500
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-13 21:45 +0100
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-13 15:56 -0500
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-13 22:09 +0100
Re: OO PHP result of new if a constructor fails Jerry Stuckle <jstucklex@attglobal.net> - 2014-11-13 21:03 -0500
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-13 22:47 +0100
Re: OO PHP result of new if a constructor fails Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-11-13 22:59 +0100
Re: OO PHP result of new if a constructor fails "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-11-18 19:02 +0100
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