Re: Array references - how to unset() ?

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Martin Zvarík wrote:
$ARR = array(
  'a' => array('b' => 'blah')
);


function set($key)
{
    global $ARR;

    foreach ($key as $i => $k) {
         if ($i == 0) {
                $sourcevar =& $ARR[$k];
            } else {
                $sourcevar =& $sourcevar[$k];
            }
        }

// unset($sourcevar); // will cancel the reference - we want to unset the ['b'], but how?

$sourcevar = null; // will set it NULL, but won't unset...


foreach ($ARR ... // I could run a cleanup, that would go through all of the array and unset what is NULL, but I would need to use REFERENCES again!! array_walk_recursive() is also worthless... any ideas?


}

set( array('a', 'b') );

unset( $ARR[$k] )

Cheers,
Rob.
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