[Tickets #14816] foreach() on null throws Horde ERROR

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Ticket-URL: https://bugs.horde.org/ticket/14816
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  Ticket           | 14816
  Erstellt Von     | birnbacs at gmail.com
  Zusammenfassung  | foreach() on null throws Horde ERROR
  Warteschlange    | Horde Base
  Version          | 5.2.17
  Typ              | Bug
  Status           | Unconfirmed
  Priorität        | 1. Low
  Milestone        |
  Patch            | 1
  Zuständige       |
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birnbacs at gmail.com (2018-05-14 11:22) hat geschrieben:

The setMapper() method of Horde_Rdo_Query throws an error if the used  
mapper has no non-lazy relationships.

PHP ERROR: Invalid argument supplied for foreach() [pid 5933 on line  
132 of "/usr/local/share/pear/Horde/Rdo/Query.php"]

Cause is a foreach() loop over the relationships. This is no problem  
as such but untroduces an unecessary ERROR into the logs.

I fixed this for myself by introducing the following statement in line  
130, right before the loop:

if (is_null($mapper->relationships)) {return $this;}