Re: [PHP] What am I not understanding about $GLOBALS['myvar'] vsglobal $myvar?

[Marek Kilimajer]

variables inside single quotes are not evaluated! This is the same variable:
echo $GLOBALS['var'];
$key='var'; echo $GLOBALS[$key];
With $GLOBALS['$key'] you refer to an invalid variable name $'$key'

PS: Output of

echo "GLOBALS['$key'] = $value<br>\n";
is right because $key is in double quotes (the outermost qoutes)


Daevid Vincent wrote:

Actually I didn't.  ;-)

$GLOBALS[$key] is incorrect and depricated AFAIK.
$GLOBALS['$key'] (with the single quotes) is the proper way to write these
types of associative arrays/hashs.
For shits and giggles however I tried your way and it made no difference to
the code. Still didn't work right.
 

-----Original Message-----
From: Marek Kilimajer [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 26, 2003 1:16 PM
To: Daevid Vincent
Cc: [EMAIL PROTECTED]
Subject: Re: [PHP] What am I not understanding about 
$GLOBALS['myvar'] vs global $myvar?



Daevid Vincent wrote:

   

This one does NOT work the way I would expect it to?

        function clearContactVars()
        {
                foreach ($GLOBALS as $key => $value) {
                        if ( substr($key,0,8) == "contact_" ) {
                          //echo "GLOBALS['$key'] = $value<br>\n";
                          $GLOBALS['$key'] = "";
     

I did not read your whole message, but you very likely mean

$GLOBALS[$key] = "";
(no single quotes)
   

                        }
                }
                clearPostVars();
        }


     

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