Ruleset: hard deprecate support for sniffs not implementing the Sniff interface
#891
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Description
While sniffs which don't implement the
Sniffinterface, but do implement theregister()andprocess()methods, will work, it should be considered strongly discouraged.This commit adds a new, non-blocking deprecation notice which will inform users if they are using a sniff which doesn't implement the
Sniffinterface.The intention is to remove support for sniffs which don't implement the
Sniffinterface in PHPCS 4.0.Includes tests.
This commit executes step 3 to address issue #694.
Suggested changelog entry
Added deprecation notices (hard deprecation) for:
PHP_CodeSniffer\Sniffs\Sniffinterface, which will no longer be supported in PHPCS 4.0.