If you name the token __HALT_PHP_PARSER__ instead (or something
equally unlikely to be used by accident and unambiguous in meaning),
you'll get a +1 from me :-)
--Wez.
On Fri, 11 Mar 2005 14:36:16 -0500, Ilia Alshanetsky <[EMAIL PROTECTED]> wrote:
> The attach patch implements a special "token" <?php HALT; ?> that can be
> used to stop the Zend lexical parser from parsing any data after this
> token.
>
> The idea behind this patch is to allow tucking on of any data (binary
> and otherwise) to the PHP script without having to encode it. It also
> saves on memory/cpu that normally be used/needed to parse the data.
> Memory is particularly important point, since many systems run with
> default memory limit (8 megs) and would easily hit it when a script had
> a 2-4 megs of data tacked on.
>
> The patch would be extremely helpful for application distribution where
> the entire install/upgrade script can be just a single script.
>
> The syntax chosen for the patch was design specifically in such a way as
> to not cause parser errors in older PHPs without the support for this
> feature.
>
> Ilia
>
>
> Index: Zend/zend_language_scanner.l
> ===================================================================
> RCS file: /repository/ZendEngine2/zend_language_scanner.l,v
> retrieving revision 1.124
> diff -u -a -p -r1.124 zend_language_scanner.l
> --- Zend/zend_language_scanner.l 7 Mar 2005 16:48:49 -0000 1.124
> +++ Zend/zend_language_scanner.l 11 Mar 2005 19:30:47 -0000
> @@ -1342,6 +1342,10 @@ NEWLINE ("\r"|"\n"|"\r\n")
> return T_INLINE_HTML;
> }
>
> +<INITIAL>"<?php"{WHITESPACE}"HALT;"{WHITESPACE}*"?>" {
> + yyterminate();
> +}
> +
>
> <INITIAL>"<?"|"<script"{WHITESPACE}+"language"{WHITESPACE}*"="{WHITESPACE}*("php"|"\"php\""|"\'php\'"){WHITESPACE}*">"
> {
> HANDLE_NEWLINES(yytext, yyleng);
> if (CG(short_tags) || yyleng>2) { /* yyleng>2 means it's not <? but
> <script> */
>
>
> --
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