Get Custom Product attribute using camel case

Question

How can i get custom product attribute custom_attribute_1 using $product->getCustomAttribute1 .Is camel casing works for numbers?

Answer 1

This does not work:

$product->getCustomAttribute1()

This does work:

$product->getCustomAttribute_1()
$product->getData('custom_attribute_1')

Answer 2

If camel case won't working, you should try with

->getData('attribute')

Answer 3

Use $product->getCustomAttribute_1() for getting custom_attribute_1 value