zendframework/zf2 — pull request #2179 by abrahaj (2012-08-15 18:16:16+00:00)
Title: TimeStamp in Logger needs to be formatted, otherwise Db\Writer might issue fatal error

Putting a DateTime object in the timestamp does not make sense. DateTime has to be formated (ISO 8601).

If left simple DateTime, PDO will issue a fatal error, (Object of class DateTime could not be converted to string in... )