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Groups > comp.lang.php > #14682
| From | Matthew Carter <m@ahungry.com> |
|---|---|
| Newsgroups | comp.lang.php |
| Subject | Re: Consistency with object to boolean conversions |
| Date | 2014-12-03 11:42 -0500 |
| Organization | Ahungry (http://ahungry.com) |
| Message-ID | <87d280ofau.fsf@ahungry.com> (permalink) |
| References | <m5n8a7$gra$1@dont-email.me> <m5n9l9$djm$1@solani.org> <m5narg$rvn$1@dont-email.me> |
Gregor Kofler <usenet@gregorkofler.com> writes:
> Am 2014-12-03 um 16:19 schrieb Christoph M. Becker:
>> Gregor Kofler wrote:
>>
>>> The following example should suffice to describe my problem:
>>>
>>> 50 if(!$file) {
>>> 51 }
>>> 52 else {
>>> 53 echo '$file is an object.';
>>> 54 var_dump(!$file);
>>> 55 }
>>>
>>> results in
>>>
>>> "$file is an object.
>>>
>>> Catchable Fatal Error: Object of class
>>> Symfony\Component\HttpFoundation\File\UploadedFile could not be
>>> converted to boolean in
>>> /var/www/strbase_client/src/Strbase/ClientBundle/Controller/BatchController.php
>>> line 54"
>>>
>>> Why does the object to boolean conversion in the if condition in line 50
>>> *not* cause an error?
>>
>> What gets printed when you change line 51 to:
>>
>> var_dump($file);}
>>
>> I guess that answers your question.
>
>
> Erm... no. Line 51 is not reached - hence I get precisely the same
> output as above.
> $file exists and is a UploadedFile instance.
>
>
This works for me:
class a {}
$b = new a ();
if (!$b)
{
}
else
{
echo '$a is an object!';
var_dump (!$b);
}
Maybe its an issue related to your specific class?
--
Matthew Carter (m@ahungry.com)
http://ahungry.com
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Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 15:56 +0100
Re: Consistency with object to boolean conversions "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-12-03 16:19 +0100
Re: Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 16:39 +0100
Re: Consistency with object to boolean conversions Matthew Carter <m@ahungry.com> - 2014-12-03 11:42 -0500
Re: Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 18:06 +0100
Re: Consistency with object to boolean conversions Matthew Carter <m@ahungry.com> - 2014-12-03 13:13 -0500
Re: Consistency with object to boolean conversions Denis McMahon <denismfmcmahon@gmail.com> - 2014-12-03 16:46 +0000
Re: Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 18:09 +0100
Re: Consistency with object to boolean conversions "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-12-03 18:22 +0100
Re: Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 19:12 +0100
Re: Consistency with object to boolean conversions "Christoph M. Becker" <cmbecker69@arcor.de> - 2014-12-03 19:30 +0100
Re: Consistency with object to boolean conversions Gregor Kofler <usenet@gregorkofler.com> - 2014-12-03 20:58 +0100
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