Hello :-)

The definition of a variable variable as superglobal works fine when put in the main coding (i.e. not within a function or method). Example:

<?php 

$aVariable = 'GET'; 
echo ${"_{$aVariable}"}; 

?> 

The system output is: Array

In the next example however, where the same code is put into a function, the resulting output is a error message instead:

<?php 

function aFunction() 
{ 
   $aVariable = 'GET'; 
   echo ${"_{$aVariable}"}; 
} 
aFunction(); 

?> 

The system output is: Notice: Undefined variable: _GET in Bestand.php on line 6.

Also when $_GET has been defined as global (which should not be necessary) this malfunction remains.

Suggested intermediate solution:

<?php 

function aFunction() 
{ 
   $aVariable = 'GET'; 
   echo $GLOBALS["_{$aVariable}"]; 
} 
aFunction();

?>