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<?php $person = array( 'name' => 'John', 'age' => 24, 'locations' => Array ( 'Greenwhich' => Array ( 'New Eltham', 'Central Greenwhich' ), 'Feltham' ) ); echo $person['locations']['Greenwhich'][2] = 'Outer Greenwich'; echo print_r($person, true);

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