Add a runtime option to raise notices when reading dynamic props.
Summary:
Add a runtime option that causes a notice to be raised any time a dynamic property is read from an object.
Like the option for creates of dynamic properties, this one intentionally differentiates between property names that came from static strings and those that didn't, and it intentionally ignores instances of stdClass and __PHP_Incomplete_Class.
Reviewed By: markw65
Differential Revision:
D9129623
fbshipit-source-id:
260f54f3c90b728f2b66b9affabad810ec9a7239