Re: Don't compare zero exponentials in strings as equal

From:	Christian Schneider	Date:	Thu, 04 Mar 2021 09:54:25 +0000
Subject:	Re: Don't compare zero exponentials in strings as equal
References:	1 2 3 4 5	Groups:	php.internals
Request:	Send a blank email to internals+get-113364@lists.php.net to get a copy of this message

Am 04.03.2021 um 01:37 schrieb Ben Ramsey <ben@benramsey.com>:
> On Mar 3, 2021, at 14:25, Kamil Tekiela <tekiela246@gmail.com> wrote:
>> 
>> when both are strings then chances are that this is an error.
> 
> Except when comparing two values from sources known to provide numbers as strings, such as form
> input and database results. :-)


This would be a problem for leading zeroes and leading/training spaces, right?

Leading zeroes theoretically could happen in databases, leading/training spaces happen in form input
and possibly databases.
Are there other 'common' cases?

- Chris


   

Thread (16 messages)

• Nikita PopovWed, 03 Mar 2021 14:04:15 +0000
  • Ben RamseyWed, 03 Mar 2021 15:36:49 +0000
  • Stanislav MalyshevWed, 03 Mar 2021 18:21:46 +0000
    • Christian SchneiderWed, 03 Mar 2021 19:30:38 +0000
      • Kamil TekielaWed, 03 Mar 2021 20:25:53 +0000
        • Christian SchneiderWed, 03 Mar 2021 20:36:28 +0000
        • Ben RamseyThu, 04 Mar 2021 00:37:27 +0000
          • Rowan TomminsThu, 04 Mar 2021 09:03:52 +0000
          • Christian SchneiderThu, 04 Mar 2021 09:54:25 +0000
            • Nikita PopovThu, 04 Mar 2021 10:54:58 +0000
              • Nikita PopovThu, 04 Mar 2021 11:13:57 +0000
                • Kamil TekielaThu, 04 Mar 2021 11:45:36 +0000
              • Rowan TomminsThu, 04 Mar 2021 12:03:02 +0000
                • Nikita PopovThu, 04 Mar 2021 13:17:26 +0000
                  • Rowan TomminsThu, 04 Mar 2021 19:26:46 +0000
  • Nikita PopovFri, 19 Mar 2021 13:28:23 +0000Re: Don't compare zero exponentials in strings as equal