Doctrine 2: What does getResult return when there are no rows? null?

I wonder what 开发者_StackOverflowis returned by functions like get*Result(). It seems like null? Where in the docs can I find such info?

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get*Result() methods return an empty array()
getSingle*Result() methods throw a \Doctrine\ORM\NoResultException

Here are direct links to the doctrine API docs

• getResult() doctrine API docs
• getSingleResult() doctrine API docs
• getSingleScalarResult() doctrine API docs
• getOneOrNullResult() doctrine API docs

Also important exceptions:

• NoResultException doctrine API docs
• NonUniqueResultException doctrine API docs

  (must handle for getSingle*() and getOneOrNullResult() methods)

• UnexpectedResultException doctrine API docs (this is parent exception of the two above)

direct links are for 2.6, but you can find there more recent versions at the at http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/index.html