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Date: Mon, 17 Oct 2011 14:07:30 +0100
Cc: PHP Internals <internals@lists.php.net>
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Organization: Parliament Hill Computers Ltd
Subject: Re: [PHP-DEV] Ternary operator performance improvements
From: addw@phcomp.co.uk (Alain Williams)

On Fri, Oct 14, 2011 at 08:08:56PM +0200, Arnaud Le Blanc wrote:
> Hi,
> 
> I've already posted this patch and it has since been reviewed and improved. 
> I'm re-posting it for discussion before eventually commiting it.
> 
> The ternary operator always copies its second or third operand, which is very 
> slow compared to an if/else when the operand is an array for example:

Is that why the following does not work as I expected:

    $dbh = $how == 'r' ? (&$dbh_r) : (&$dbh_w);

$dbh is NOT a reference to $dbh_r or $dbh_w.

-- 
Alain Williams
Linux/GNU Consultant - Mail systems, Web sites, Networking, Programmer, IT Lecturer.
+44 (0) 787 668 0256  http://www.phcomp.co.uk/
Parliament Hill Computers Ltd. Registration Information: http://www.phcomp.co.uk/contact.php
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