Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:14274
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
	s=beta; d=gmail.com;
	h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:references;
	b=lzNpteDVp8D7Bx0nwiDfFnyOHn/2UbJ8R7vvsS8ppHeAVwxWoBYamfAoJG+bqfarmo/eUoDgrowZ9sGnlFOqG1q5iBRsfEXVKzUlon31MPFlqrmDhNYC8CKSfvlBwjdqVvKa0+Jb3VoE2VrgsneK3yCe8gR2ydObZSc+nQvnkqc=
Message-ID: <5c2874720501040342d92196d@mail.gmail.com>
Date: Tue, 4 Jan 2005 05:42:20 -0600
Reply-To: Jason Sweat <jason.sweat@gmail.com>
To: Gareth Ardron <gareth@fission.org.uk>
Cc: internals@lists.php.net
In-Reply-To: <41DA068A.9080009@fission.org.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
References: <41DA068A.9080009@fission.org.uk>
Subject: Re: [PHP-DEV] bit of an odd bug
From: jason.sweat@gmail.com (Jason Sweat)

On Tue, 04 Jan 2005 02:59:22 +0000, Gareth Ardron <gareth@fission.org.uk> wrote:
> Ok, I'm in need of a sanity check here.
> 
> step one:
> $input = "foo";
> $scanning_class = "clamav";
> $result = $scanning_class::scanBuffer($input);
> now this fails with a "Parse error: parse error, unexpected
> T_PAAMAYIM_NEKUDOTAYIM"
> 
> So ok, you can't put variables at the front on a class call like that.
> Minor bug I'm thinking at this point, but I wonder if I can work round
> it. So, onto step two:
> $input = "foo";
> $scanning_class = "clamav";
> $func = $scanning_class."::scanBuffer";
> $result = $func($input);
> Which fails with a "Fatal error: Call to undefined function
> clamav::scanBuffer()"
> 
> Just doing:
> $result = clamav::scanBuffer($input);
> of course works absolutly fine.
> 
> Somebody just tell me that this isn't exactly expected behaviour and
> it's a minor bug
> 
> this is all on 5.0.3 btw.

Hi Gareth,

In addition to the other options people have mentioned, you could also
use the old standby of:
eval("\$result = $scanning_class::scanBuffer(\$input);");

Regards,
Jason
http://blog.casey-sweat.us/