feat(php): add initial ruleset #595

Job	Run time
build (latest, javascript/express)	3m 4s
build (latest, javascript/lang)	5m 16s
build (latest, javascript/react)	36s
build (latest, javascript/third_parties)	3m 28s
build (latest, ruby/lang)	7m 56s
build (latest, ruby/rails)	2m 24s
build (latest, ruby/third_parties)	5m 18s
build (latest, java/lang)	2m 38s
build (latest, java/spring)	33s
build (latest, php/lang)	9m 25s
build (latest, php/symfony)	3m 20s
build (latest, php/third_parties)	26s
	44m 24s

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