Accessing ACP Values

[Lairston]

If I create a product called Test Product 1 (test_product1)
And create an ACP page called Test Product(testproduct1_page) for that product
And a Var on the page named Test Var (testvar)

How do I access whatever value is placed in the testvar in the product's php code?

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For anyone wondering the answer is

$vbulletin->options['testvar'];