Arrays Learning Mode

What will this script output?

    // Array of available fruits
    $fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5,
    "apples" => 10);
    $fruitsArrayObject = new ArrayObject($fruits);
    $fruitsArrayObject->setFlags(ArrayObject::ARRAY_AS_PROPS);
    // Try to use array key as property
    var_dump($fruitsArrayObject->lemons);
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