Re: Is there a technical reason <?= considered a "short tag"?
| From: | Rasmus Lerdorf | Date: | Fri, 05 Jun 2009 07:53:08 +0000 |
| Subject: | Re: Is there a technical reason <?= considered a "short tag"? | ||
| References: | 1 2 3 4 5 6 7 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-44175@lists.php.net to get a copy of this message | ||
Hannes Magnusson wrote:
> On Fri, Jun 5, 2009 at 07:47, Rasmus Lerdorf<rasmus@lerdorf.com> wrote:
>> Nobody is going to pass a PHP script through an XML parser, and PHP
>> itself will never be well-formed, so that is a lost cause. We'd have to
>> start tossing CDATA blocks and write code like:
>>
>> if( 2 < 3 ) echo "2 is less than 3";
>
> No you don't. & and < are perfectly legal in PIs
>
>
>> And that just isn't going to happen. The only valid argument against
>> short_tags itself is that it clashes with named PI tags and <?= does not
>> have that same problem.
>
> <?= is not a valid target name either, so it has the same problem.
>
> 4] NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6]
> | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] |
> [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF]
> | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
The point still stands. If you are trying to parse PHP with an XML
parser, you are doing it wrong. I have absolutely no problems annoying
the one or two pedantic people who care about this for the benefit of
thousands who don't.
-Rasmus