From:             joem at tempomg dot com
Operating system: redhat linux
PHP version:      5.2.0
PHP Bug Type:     Feature/Change Request
Bug description:  Could PHP leave superglobal array indices alone?

Description:
------------
I think it would make more sense if PHP only replaced '.' and ' ' with '_'
when register_globals is turned on, and only for the variables that are
registered in the global scope, leaving the superglobals' index names as
they are.

I understand that variable names can't have '.' or ' ' in them, however it
seems that most people use the $_POST['variablename'] method of accessing
external variables, and in this case, the spaces and dots make no
difference.

I could find practically no reference to this behavior in the manual,
other than a couple notes I submitted.  At the very least, the fact that
these characters are replaced should be made more obvious in the manual
under "Predefined Variables" at
http://us2.php.net/manual/en/language.variables.predefined.php and
http://us2.php.net/manual/en/reserved.variables.php

Reproduce code:
---------------
<form method="post">
  <input name="title for page3.php" type="text">
  <input type="submit">
</form>

Title submitted:
<?php
  if (count($_POST) > 0)
    echo $_POST['title for page3.php'];
?>

Expected result:
----------------
I expect to see the title I submitted print out.

Actual result:
--------------
The POST key 'title for page3.php' is changed to 'title_for_page3_php',
and nothing prints out.

-- 
Edit bug report at http://bugs.php.net/?id=40224&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=40224&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=40224&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=40224&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=40224&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=40224&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=40224&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=40224&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=40224&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=40224&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=40224&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=40224&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=40224&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=40224&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=40224&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=40224&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=40224&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=40224&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=40224&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=40224&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=40224&r=mysqlcfg

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