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To: Derick Rethans <derick@php.net>
Cc: Nathan Rixham <nrixham@gmail.com>, internals@lists.php.net
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Date: Fri, 07 Dec 2007 11:23:45 -0500
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Subject: Re: [PHP-DEV] Thoughts on Feature Request - Arithmetic
From: robert@interjinn.com (Robert Cummings)

On Fri, 2007-12-07 at 16:44 +0100, Derick Rethans wrote:
> On Fri, 7 Dec 2007, Nathan Rixham wrote:
> 
> > In-Built PHP Functions for parsing of basic arithmetic and if possible
> > fraction to decimal and decimal to fraction
> > 
> > $arithmetic_string = "3*5";
> > echo arith($arithmetic_string); // returns float 15
> 
> What's wrong with eval?
> 
> <?php
> eval( '$res = 3 * 5;' );
> echo $res, "\n";

Maybe it's from user input? And it is generally taught that if eval() is
the solution then you're on the wrong track.

Cheers,
Rob.
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