Re: [chiPHPug-discuss] PHP form name transliteration question

[<ja...@ho...>]

I don't know if .'s are valid in variable names.. ?.. I know its not
encouraged..

>From the manual:

http://us3.php.net/manual/en/language.variables.php

Basics

Variables in PHP are represented by a dollar sign followed by the name of
the variable. The variable name is case-sensitive.

Variable names follow the same rules as other labels in PHP. A valid
variable name starts with a letter or underscore, followed by any number
of letters, numbers, or underscores. As a regular expression, it would be
expressed thus: '[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*'

    Note: For our purposes here, a letter is a-z, A-Z, and the ASCII
characters from 127 through 255 (0x7f-0xff).


Also worth noting:

http://cvs.php.net/viewvc.cgi/php-src/CODING_STANDARDS?view=3Dco



> -----BEGIN PGP SIGNED MESSAGE-----
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>
> On Wed, Jan 24, 2007 at 02:08:41PM -0600, Sarah Gray wrote:
>> Does anyone know why it is that a form element named using dots is
>> transliterated to a form element named using underscores when it is
>> posted using PHP [4.4.4 and 4.3.2, at least]? It's as if php runs a
>> pre-filter preg_replace on the names of input fields before outputting
>> them to the $_POST array.
>
> That's pretty much exactly what happens. Because of register_globals,
> the keys have to be valid variable names. $name.with.dots is invalid,
> but $name_with_dots is OK. This alteration was carried over into $_POST
> and the others.
>
>
> - --
> Peter Harkins  -  http://push.cx  -  http://cambrianhouse.com
>
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