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From: Salvatore <sal@yojimbo.hack.invalid>
Newsgroups: comp.lang.php
Subject: Re: bug in  is_numeric
Date: Sun, 12 May 2013 15:31:10 +0000 (UTC)
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On 2013-05-12, fred <email@address.com> wrote:
> Using PHP 5.3.6 on win7-74
>
> if(is_numeric('x11.11c')  returns  TRUE
> and variations eg: z1111x is also true
>
> this does not seem right to me.
> I've done a search but cant find mention in buglist.
>
> Perhaps someone more knowledgable can deal with this.
> I've tried to mention elsewhere but PHP.net seems to be going
> out of its way to make life impossible
>  

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); ?>


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