Converting string to array index

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Dear list -

I have an associative array that will return a string representing an array index. I now need to convert this string into an actual array index.

$test1 = array
(
"e1" => "[4][7]",
"e2" => "[5][8]"
);

so.. $z = $test1['e1'];
z has the value of [4][7]. I need to convert this string to an array index so I can use it in $results[4][7].

How do I do it?

Thanks.

Ethan

MySQL 5.1 PHP 5.3.3-6 Linux [Debian squeeze(sid)]


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