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Groups > comp.lang.php > #9309

Re: bug in is_numeric

From Denis McMahon <denismfmcmahon@gmail.com>
Newsgroups comp.lang.php
Subject Re: bug in is_numeric
Date 2013-05-13 20:15 +0000
Organization A noiseless patient Spider
Message-ID <kmrhli$mqd$4@dont-email.me> (permalink)
References <MPG.2bf9b5f139f7cb7d9896aa@news.virginmedia.com> <kmocju$232o$1@yojimbo.hack> <MPG.2bf9e49c5e796889896ac@news.virginmedia.com>

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On Sun, 12 May 2013 18:41:33 +0100, fred wrote:

> In article <kmocju$232o$1@yojimbo.hack>, sal@yojimbo.hack.invalid
> says...
>> You are correct. That parameter, when passed to is_numeric(), should
>> return false. I tried it on Mac OS X and FreeBSD, but not on Windows.
>> 
>> Could you try the following code and let me know what comes out?
>>  <?php $a = is_numeric('x11.11c'); var_dump($a); ?>
> 
> Hi sal
> 
> OK I get false when I do that.
> "bool(false)" to be more precise.
> var_export($a)also reports false if thats any help.

OK, that tells us that on your computer and php version, the test:

is_numeric('x11.11c');

returns the boolean value FALSE, not the boolean value TRUE as you stated 
earlier.

Note - you did the test on your computer using the exact same operating 
system and php version that you are using.

So, the issue now is not that we are not using the exact same php / os, 
but why you think that specific test is getting a TRUE when it's getting 
a FALSE.

Personally, I'd guess that 'x11.11c' is not the value that's being tested 
when it gives what you think is an unexpected TRUE.

-- 
Denis McMahon, denismfmcmahon@gmail.com

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Thread

bug in  is_numeric fred <email@address.com> - 2013-05-12 15:22 +0100
  Re: bug in  is_numeric Salvatore <sal@yojimbo.hack.invalid> - 2013-05-12 15:31 +0000
    Re: bug in  is_numeric Luuk <luuk@invalid.lan> - 2013-05-12 17:55 +0200
    Re: bug in  is_numeric Luuk <luuk@invalid.lan> - 2013-05-12 17:58 +0200
    Re: bug in  is_numeric Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2013-05-12 18:06 +0200
    Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-12 16:24 +0000
    Re: bug in  is_numeric fred <email@address.com> - 2013-05-12 18:41 +0100
      Re: bug in  is_numeric Erwin Moller <erwinmollerusenet@xs4all.nl> - 2013-05-13 13:50 +0200
        Re: bug in  is_numeric fred <email@address.com> - 2013-05-13 14:58 +0100
          Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 10:11 -0400
            Re: bug in  is_numeric fred <email@address.com> - 2013-05-13 15:15 +0100
              Re: bug in  is_numeric Erwin Moller <erwinmollerusenet@xs4all.nl> - 2013-05-13 17:29 +0200
              Re: bug in  is_numeric "J.O. Aho" <user@example.net> - 2013-05-13 19:55 +0200
              Re: bug in  is_numeric Richard Yates <richard@yatesguitar.com> - 2013-05-14 06:41 -0700
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-14 21:43 -0400
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-14 23:01 -0400
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-15 05:48 -0400
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-15 06:11 -0400
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 18:36 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-15 15:19 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-15 20:23 +0200
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-15 20:49 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-15 21:58 +0200
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-15 22:20 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-15 22:42 +0200
                Re: bug in  is_numeric Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2013-05-15 23:53 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-16 00:29 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-16 00:40 +0200
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-16 05:00 +0200
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 18:16 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-17 00:45 +0200
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 22:52 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-17 18:33 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-17 20:39 +0200
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-17 23:45 +0200
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-18 14:47 +0200
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-15 20:57 -0400
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-16 00:09 -0400
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-17 01:17 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-16 20:30 -0400
                Re: bug in  is_numeric Christoph Becker <cmbecker69@gmx.de> - 2013-05-18 14:51 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 10:07 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-18 11:56 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 14:32 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-18 22:24 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 17:01 -0400
                Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-18 21:58 +0000
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 19:21 -0400
                Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-19 02:22 +0000
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 22:41 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 05:28 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 09:42 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:42 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 14:39 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-21 01:01 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-21 05:59 -0400
                Re: bug in  is_numeric The Natural Philosopher <tnp@invalid.invalid> - 2013-05-19 07:49 +0100
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 05:31 -0500
                Re: bug in  is_numeric The Natural Philosopher <tnp@invalid.invalid> - 2013-05-19 12:39 +0100
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 09:43 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:52 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 14:42 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-21 01:03 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-21 06:00 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:45 -0500
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 05:27 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 09:45 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:37 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 14:43 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-21 00:59 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-21 06:02 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-18 17:08 -0500
                Re: bug in  is_numeric The Natural Philosopher <tnp@invalid.invalid> - 2013-05-18 23:58 +0100
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 19:22 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-18 17:11 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 19:23 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 05:35 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 09:46 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:23 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-19 14:44 -0400
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-21 00:54 -0500
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-21 06:03 -0400
                Re: bug in  is_numeric fred <email@address.com> - 2013-05-23 15:38 +0100
                Re: bug in  is_numeric Arno Welzel <usenet@arnowelzel.de> - 2013-06-01 17:36 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-01 14:54 -0400
                Re: bug in  is_numeric Arno Welzel <usenet@arnowelzel.de> - 2013-06-05 15:25 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-05 10:34 -0400
                Re: bug in  is_numeric Arno Welzel <usenet@arnowelzel.de> - 2013-06-05 17:02 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-05 12:30 -0400
                OT: What you say is not always what you mean (was: Re: bug in  is_numeric) Arno Welzel <usenet@arnowelzel.de> - 2013-06-05 20:20 +0200
                Re: OT: What you say is not always what you mean Jerry Stuckle <jstucklex@attglobal.net> - 2013-06-05 14:40 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-18 21:51 +0200
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-18 17:13 -0500
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-19 00:49 +0200
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 05:24 -0500
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-19 12:40 +0200
                Re: bug in  is_numeric The Natural Philosopher <tnp@invalid.invalid> - 2013-05-19 12:43 +0100
                Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-19 11:29 -0500
                Re: bug in  is_numeric Norman Peelman <npeelman@cfl.rr.com> - 2013-05-18 14:53 -0400
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 18:41 -0400
          Re: bug in  is_numeric Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-05-13 08:35 -0700
          Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-13 20:26 +0000
      Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-13 20:15 +0000
    Re: bug in  is_numeric Robert Heller <heller@deepsoft.com> - 2013-05-12 13:03 -0500
  Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-12 18:03 +0200
    Re: bug in  is_numeric fred <email@address.com> - 2013-05-12 18:34 +0100
      Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-12 19:40 +0200
        Re: bug in  is_numeric Luuk <luuk@invalid.lan> - 2013-05-12 21:51 +0200
  Re: bug in  is_numeric "Sanders Kaufman" <bucky@kaufman.net> - 2013-05-12 11:47 -0500
    Re: bug in  is_numeric Luuk <luuk@invalid.lan> - 2013-05-12 18:56 +0200
    Re: bug in  is_numeric Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2013-05-12 19:05 +0200
      Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-12 19:38 +0200
        Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-12 19:46 +0200
        Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-12 14:11 -0400
          Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-12 20:39 +0200
            Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-12 16:51 -0400
              Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 01:27 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-12 20:35 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 11:07 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 09:02 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 16:57 +0200
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 17:10 +0200
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-13 13:52 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-13 20:28 +0200
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 18:28 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-17 00:33 +0200
                Re: bug in  is_numeric SwissCheese <swisscheese@cfl.rr.com> - 2013-05-16 22:34 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-18 10:28 +0200
                Re: bug in  is_numeric Norman Peelman <npeelman@cfl.rr.com> - 2013-05-18 08:00 -0400
                Re: bug in  is_numeric Luuk <luuk@invalid.lan> - 2013-05-18 14:18 +0200
                Re: bug in  is_numeric Tim Streater <timstreater@greenbee.net> - 2013-05-18 13:20 +0100
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 08:47 -0400
                Re: bug in  is_numeric The Natural Philosopher <tnp@invalid.invalid> - 2013-05-18 14:05 +0100
                Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-18 10:16 -0400
                Re: bug in  is_numeric Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-05-18 16:14 +0200
  Re: bug in  is_numeric Sandman <mr@sandman.net> - 2013-05-14 10:34 +0200
    Re: bug in  is_numeric fred <email@address.com> - 2013-05-14 14:47 +0100
      Re: bug in  is_numeric Denis McMahon <denismfmcmahon@gmail.com> - 2013-05-14 14:54 +0000
      Re: bug in  is_numeric Sandman <mr@sandman.net> - 2013-05-15 08:05 +0200
        Re: bug in  is_numeric Jerry Stuckle <jstucklex@attglobal.net> - 2013-05-15 06:27 -0400
          Re: bug in  is_numeric Erwin Moller <erwinmollerusenet@xs4all.nl> - 2013-05-15 13:11 +0200

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