Advisor: Check for possibly undefined memory usage values

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Advisor class: Drop unnecessary initialization

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
PMA_Bookmark_delete: Drop unnecessary $db param

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Config class: Drop dead initializations

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Add string check for json_decode in SavedSearches::setCriterias

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Code style fixes

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Code style fixes

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Code style fixes

Signed-off-by: Ann + J.M <phpMyAdmin@ZweiSteinSoft.de>
Complete the fix for bug #4418

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge commit '9207203'
Merge branch 'QA_4_2'
Fix notice

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Finnish)

Currently translated at 62.2% (1722 of 2768)
Merge remote-tracking branch 'origin/QA_4_2' into QA_4_2
Merge branch 'QA_4_2'
Translated using Weblate (Finnish)

Currently translated at 62.1% (1722 of 2772)
Merge remote-tracking branch 'origin/master'
4.2.3-dev

Signed-off-by: Marc Delisle <marc@infomarc.info>
Merge branch 'QA_4_2' of https://github.com/phpmyadmin/phpmyadmin into QA_4_2
Merge commit '45f33fd'