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Date: Wed, 25 Jun 2014 15:50:34 +0100
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To: Rowan Collins <rowan.collins@gmail.com>
Cc: "internals@lists.php.net" <internals@lists.php.net>
Content-Type: text/plain; charset=UTF-8
Subject: Re: [PHP-DEV] Re: why do we not set http 500 for errors when the
 display_error is enabled
From: cw@daverandom.com (Chris Wright)

On 25 June 2014 15:32, Rowan Collins <rowan.collins@gmail.com> wrote:
> Chris Wright wrote (on 25/06/2014):
>
>> I don't believe this is the case with any browser we might still be
>> reasonably expected to support. The browser generic error pages are
>> only displayed when there is no body content or a content-type it
>> doesn't understand.
>
>
> Internet Explorer's "friendly error messages" are shown in preference to any
> content smaller than a certain number of bytes (I can't remember the exact
> threshold, but you will find plenty of minimal error pages padded out with
> garbage comments as a workaround).
>
> I've just had a quick look around online, and can't see anything saying that
> this "feature" was removed in more recent versions. In fact, I just did a
> quick test in IE11, and a page returning HTTP 500 and containing the text
> "Done." is indeed replaced with the default error page. :(

I tested briefly on my machine before sending the previous mail, but
it looks like I have the option set as outlined in the KB article
Ferenc linked - sorry for the misinformation.

Given this apparent variation/unpredictability, having another ini
setting to control the behaviour is possibly not a bad idea?