Using oimplode( ',', $to ) in wfDebug would only result in the same problem as the...
authorSam Reed <reedy@users.mediawiki.org>
Sat, 11 Sep 2010 21:08:48 +0000 (21:08 +0000)
committerSam Reed <reedy@users.mediawiki.org>
Sat, 11 Sep 2010 21:08:48 +0000 (21:08 +0000)
commit7f2d9336cb99943f5bb8d7bf09c9a30ac06a83fb
treed298b4d97af673fa811eb2bd8a038a94769255f4
parentda023185ceee58a4297c168f908d744c8dc6db24
Using oimplode( ',', $to ) in wfDebug would only result in the same problem as the listed bug (object, object, object) that was being worked around

Bug linked tested on php 5.3.2 gives expected results. Can we optionally work around this now?
includes/UserMailer.php