Strange array access problem

[Ken Tozier <kentozier@xxxxxxxxxxx>]

I'm having a major problem with what seems, on it's face, to be a  
really basic array function.

What happens is on the browser end, I've written some javascript code  
that packages up javascript variables in native PHP format and sends  
the packed variables to a PHP script on the server via a POST and  
XMLHTTP. On the server end, the PHP script grabs the packed variables  
out of the $_POST, strips slashes and uses the "unserialize" command.

Here's the function that gets the post data
$unpacked_data    = GetDataFromPOST();

And here's a var_dump of $unpacked_data as it appears in the browser
 array(1) { ["handler"]=>  array(1) { ["0"]=>  string(9)  
"databases" } }

I'm able to get the "handler with no problem like so:
$parts    = $unpacked_data['handler'];

Which yields the following var_dump
array(1) { ["0"]=>  string(9) "databases" }

Here's where the problem starts. I've had no luck whatsoever trying  
to get  items of $parts. I've tried all of the following and each of  
them return NULL

$part_1 = $parts[0];
$part_1 = $parts['0'];
$part_1 = $parts["0"];
$part_1 = $parts[48]; <- ASCII character for zero

In desperation, I also tried this

foreach($parts as $key => $value)
{
        var_dump($key);
        // => string(1) "0"
        var_dump($value);
        // => string(9) "databases"

        $parts_1 = $parts[$key];
        // => NULL;
}

But no luck

I also checked the type and size of the key like so
foreach($parts as $key => $value)
{
       echo gettype($key);
        // => string

        echo sizeof($key);
        // => 1
}

Anyone have any insights as to what the heck is going on here? This  
should be a piece of cake but It's stopped me cold for a full day and  
a half

Thanks for any help

Ken

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