Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.php > #14686

Re: Consistency with object to boolean conversions

From Gregor Kofler <usenet@gregorkofler.com>
Newsgroups comp.lang.php
Subject Re: Consistency with object to boolean conversions
Date 2014-12-03 18:09 +0100
Organization A noiseless patient Spider
Message-ID <m5ng47$k3d$1@dont-email.me> (permalink)
References <m5n8a7$gra$1@dont-email.me> <m5neof$125$6@dont-email.me>

Show all headers | View raw


Am 2014-12-03 um 17:46 schrieb Denis McMahon:
> On Wed, 03 Dec 2014 15:56:23 +0100, 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.
>
> Try casting file to boolean:
>
> 54    var_dump(!(boolean)$file);
>
> and see if that works as you expected.
>
Without testing I assume it would yield the same result. Found a 
possible explanation here

https://bugs.php.net/bug.php?id=65213

it still doesn't explain why casting to boolean in the if condition 
doesn't throw an error.

Back to comp.lang.php | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

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

csiph-web