note 72602 deleted from function.array-key-exists by felipe

Note Submitter: brauliorossi at gmail dot com 

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Matt and mikael dot knutsson at gmail dot com:

this outputs bool(true):

$ar = array ( 'outter' => array ( 'inner' => 1 ) );
var_dump(array_key_exists('inner', $ar['outter']));

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