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Bug #10020 Variable variables
Submitted: 2001-03-27 09:06 UTC Modified: 2002-09-30 18:37 UTC
From: kvdwalt at csir dot co dot za Assigned:
Status: Not a bug Package: Scripting Engine problem
PHP Version: 3.0.16 OS: nt
Private report: No CVE-ID: None
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From: kvdwalt at csir dot co dot za
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 [2001-03-27 09:06 UTC] kvdwalt at csir dot co dot za 
in html

			vFormInnerHTML = vFormInnerHTML + '<INPUT TYPE=HIDDEN NAME="extractid[]" VALUE='+el.value+'>';

in serverside PHP

for ($i=0;$i < count($extractid); $i++) {
   $t = "extractid[".$i."]";
   echo $t.'<br>';  
   echo $$t.'<br>'; //$$t is empty!!

   echo $extractid[$i].'<br>';


}

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 [2002-09-30 18:37 UTC] hholzgra@php.net 
Sorry, but the bug system is not the appropriate forum for asking
support questions. Your problem does not imply a bug in PHP itself.
For a list of more appropriate places to ask for help using PHP,
please visit http://www.php.net/support.php

Thank you for your interest in PHP.

the "variable variables" feature works on plain variable names only, there is no array resolving done

$$t is equal to $GLOBALS[$t] here
and    $GLOBALS["extractid[$i]"] 
is not $GLOBALS["extractid"][$i]
 
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