* fix schema/definition name as 'file'
* update samples
* Trigger CI due to previous Shippable race condition
* add fix with toModelName(openAPIType)
* update tests for file schema/definition name
* Update 3.0 test spec
* update samples
* update samples for jaxrs-cxf
* Trigger CI due to previous Shippable race condition
* add back explode
* Delete unused IF statement
JSON_PRETTY_PRINT is available since PHP 5.4.0
* Update samples
- bin/php-petstore.sh
- bin/security/php-petstore.sh
- bin/openapi3/php-petstore.sh
* add test case for ref to map (boolean) in fake petstore spec
* fix alias to map in model properties
* remove logging from new method
* update samples for the new map test case
* fix javadoc string
* skip testSanitizeNestedInvalidValue in php test
* skip test in php oas3 client
* add logic to handle outer enum
* update samples
* fix alias in model's allOf
* generate models for map def
* update petstore samples
* update petstore samples