It's all in the manual.
http://www.php.net/manual/en/language.types.string.php
For parsing variables (and arrays) in strings, and also why it works with
only one array-index.
http://www.php.net/manual/en/language.types.array.php
For how to access arrays (even variable ones).
Jeroen
On Mon, 9 Jul 2001, Karl Austin wrote:
> OK, so how come it works with 1 dimensional arrays? Surely it would make
> sense to make it work with multi-dimensional arrays or not with arrays full
> stop?
>
> Karl Austin
>
> -----Original Message-----
> From: Bug Database [mailto:[EMAIL PROTECTED]]
> Sent: 09 July 2001 12:09
> To: [EMAIL PROTECTED]
> Subject: Bug #11962 Updated: eval() doesn't handle multi-dimentional
> arrays.
>
>
> ID: 11962
> Updated by: jeroen
> Reported By: [EMAIL PROTECTED]
> Old Summary: eval() doesn't handle multi-dimentional arrays.
> Old Status: Open
> Status: Bogus
> Bug Type: Scripting Engine problem
> Operating System: RedHat 6.2
> PHP Version: 4.0.6
> New Comment:
>
> Your string equals 'echo "$GLOBALS[page][title]";', and RTFM why that
> doesn't work.
>
> Previous Comments:
> ------------------------------------------------------------------------
>
> [2001-07-08 20:00:57] [EMAIL PROTECTED]
>
> It appears that eval() does not handle mutli-dimentional arrays properly
> e.g. $page[title] = 'Page'; $test = '$page[title]'; If I do: eval( 'echo
> "'.$test.'";' ); I get: Page as the output, however if I change $test to:
> $test = '$GLOBALS[page][title]'; then do: eval( 'echo "'.$test.'";' ); I
> get: Array[title] as my output. My best guess for the reason this is
> happening is that when eval() does a lookup for a variable in the symbol
> table it is going from top to bottom and stops on the first match, no matter
> how complete - From this I am assuming that the symbol table would be built
> as follows: $GLOBALS $GLOBALS[page] $GLOBALS[page][title] so if eval()
> searched from the top then it would find a partial match against
> $GLOBALS[page] which is what I think it is doing. A better example:
> $page[title] = 'Hello'; $string = '$page[title]'; eval( 'echo
> "'.$string.'";' ); echo "<br>\n"; $string =
> '$GLOBALS[page][title]'; eval( 'echo "'.$string.'";' ); I hope I make
> sense to you, if not then please let me know and I will try and be clearer.
>
> ------------------------------------------------------------------------
>
>
>
> ATTENTION! Do NOT reply to this email!
> To reply, use the web interface found at
> http://bugs.php.net/?id=11962&edit=1
>
>
>
>
Jeroen van Wolffelaar
[EMAIL PROTECTED]
http://www.A-Eskwadraat.nl/~jeroen
--
PHP Development Mailing List <http://www.php.net/>
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
To contact the list administrators, e-mail: [EMAIL PROTECTED]
