ID: 14066
Updated by: mfischer
Reported By: [EMAIL PROTECTED]
Status: Critical
Bug Type: Scripting Engine problem
Operating System: Any
PHP Version: 4.0CVS-2001-11-15
New Comment:

One more, this change happened in Zend/zend_execute.c line 103.


Previous Comments:
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[2001-12-02 17:04:40] [EMAIL PROTECTED]

Btw, this breaks BC:

[chroot] mfischer@ficken:~/isrc/cvs/php4/Zend$ php -v
4.0.6-dev
[chroot] mfischer@ficken:~/isrc/cvs/php4/Zend$ php -q
<? error_reporting(E_ALL); $foo = ''; isset($foo[2]);?>
[chroot] mfischer@ficken:~/isrc/cvs/php4/Zend$ 

and with RC4:

mfischer@ficken:~/isrc/cvs/php4/Zend$ php -v
4.1.0RC4
mfischer@ficken:~/isrc/cvs/php4/Zend$ php -q
<? error_reporting(E_ALL); $foo = ''; isset($foo[2]);?>
<br>
<b>Warning</b>:  Uninitialized string offset:  2 in <b>-</b> on line <b>1</b><br>
-(1) : Warning - Uninitialized string offset:  2
mfischer@ficken:~/isrc/cvs/php4/Zend$

Marking as critical.

------------------------------------------------------------------------

[2001-12-02 17:01:01] [EMAIL PROTECTED]

'isset($foo[0])' issues a warning too if $foo is an emtpy string.

------------------------------------------------------------------------

[2001-11-15 02:33:34] [EMAIL PROTECTED]

When setting error_reporting(E_ALL) the following occurs:

<?
error_reporting(E_ALL);

$foo = array(); echo $foo[0] . "\n"; // <-- warning
$foo = array(); echo @$foo[0]. "\n"; // <-- no warning

$foo = "foo"; echo $foo{3} . "\n"; // <-- warning
$foo = "foo"; echo @$foo{3}. "\n"; // <-- still warning
?>

The last line should not emit a warning.

------------------------------------------------------------------------



Edit this bug report at http://bugs.php.net/?id=14066&edit=1


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