Fwd: Re: Only variables or references can be returned by reference

Without checking it more thoroughly, I think the former and the latter
should work with both PHP 4 and PHP 5. If you want to be 100% certain then
the latter will definitely work but I think we allowed the former in PHP 4
too (in a hackish way).
Don't sue me if I'm wrong :)

Andi

At 12:05 PM 2/2/2004 -0500, Daniel Convissor wrote:

Hi:

This continues to slip between the cracks. Can someone please answer it?

Thanks,

--Dan

----- Forwarded message from Daniel Convissor
danielc@analysisandsolutions.com -----

From: Daniel Convissor danielc@analysisandsolutions.com
To: PHP Internals List internals@lists.php.net
Date: Wed, 14 Jan 2004 14:46:25 -0500
Subject: Re: [PHP-DEV] Only variables or references can be returned by
reference

Hi Andi:

That should be fine. The following isn't:

function foo() {
$x = 1;
return $x;
}

function &bar() {
return foo();
}

Note: foo isn't returning by reference.

Good. Can I ask one final clarification, please? Then the following
should be koser in PHP 4 and 5, right?

function &execute() {
    return new DB_result();
}

Or would we need to do this to ensure proper opration in both versions?

function &execute() {
    $tmp =& new DB_result();
    return $tmp;
}

Or does the answer depend on what the constructor method does? Or...?

----- End forwarded message -----

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