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<?php var_dump(array_unique(['foo', 'FOO'], SORT_STRING)); var_dump(array_unique(['foo', 'FOO'], SORT_STRING|SORT_FLAG_CASE));
Output for git.master_jit, git.master, rfc.property-hooks
array(2) { [0]=> string(3) "foo" [1]=> string(3) "FOO" } array(1) { [0]=> string(3) "foo" }

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