#39903 [NEW]: Notice message when executing __halt_compiler() more than once

From: Date: Wed, 20 Dec 2006 14:36:55 +0000
Subject: #39903 [NEW]: Notice message when executing __halt_compiler() more than once
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-106648@lists.php.net to get a copy of this message
From:             francois at tekwire dot net
Operating system: All
PHP version:      5.2.0
PHP Bug Type:     Scripting Engine problem
Bug description:  Notice message when executing __halt_compiler() more than once

Description:
------------
When __halt_compiler() is seen for the second time, PHP displays a message
saying:

Notice: Constant __COMPILER_HALT_OFFSET__ already defined in ...

Although it cannot happen in a single file, it can happen when including
two files containing an __halt_compiler() directive.

The constant should be undefined before calling
REGISTER_MAIN_LONG_CONSTANT("__C
OMPILER_HALT_OFFSET__", zend_get_scanned_file_offset(TSRMLS_C), CONST_CS)
in zend_language_parser.y but I haven't found any function  to undefine a
constant...


Reproduce code:
---------------
* File a.php contains :

<?php
include 'b.php';
include 'c.php';

* File b.php and c.php both contain :

<?php
echo __FILE__."\n";
__halt_compiler();
data

* Run a.php

Expected result:
----------------
/depot/divers/flp/tmp/b.php
/depot/divers/flp/tmp/c.php


Actual result:
--------------
/depot/divers/flp/tmp/b.php

Notice: Constant __COMPILER_HALT_OFFSET__ already defined in
/depot/divers/flp/tmp/c.php on line 3
/depot/divers/flp/tmp/c.php


-- 
Edit bug report at http://bugs.php.net/?id=39903&edit=1
-- 
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=39903&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=39903&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=39903&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=39903&r=fixedcvs
Fixed in release:             http://bugs.php.net/fix.php?id=39903&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=39903&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=39903&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=39903&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=39903&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=39903&r=notwrong
Not enough info:              http://bugs.php.net/fix.php?id=39903&r=notenoughinfo
Submitted twice:              http://bugs.php.net/fix.php?id=39903&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=39903&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=39903&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=39903&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=39903&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=39903&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=39903&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=39903&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=39903&r=mysqlcfg


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