* Update php.md - marked Multiserver as true
Mulitiserver support was fully implemented 2 years ago, on PR #12982
* update php feature
* update
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Co-authored-by: Thomas Hansen <thomasphansen@users.noreply.github.com>
* Mustache template should use invokerPackage tag to generate import
* add JsonSubTypes annotation to handle scenario when OAS name has special characters
* add JsonSubTypes annotation to handle scenario when OAS name has special characters. Add unit test
* run sample scripts
* fix unit test
* run sample scripts
* add minimal openapi document to show issue with special characters and discriminators
* Add 'isClassnameSanitized' tag
* Add 'isClassnameSanitized' tag
* Add 'isClassnameSanitized' tag
* Add 'isClassnameSanitized' tag
* Add 'isClassnameSanitized' tag
* Add 'isClassnameSanitized' tag
* Add unit tests for unmarshaling of discriminators with special characters
* Add unit tests for unmarshaling of discriminators with special characters
* use JsonTypeName
Co-authored-by: Vikrant Balyan (vvb) <vvb@cisco.com>
Co-authored-by: William Cheng <wing328hk@gmail.com>