Use !== and === in files_encryption
Use !== and === in files_versions
Use !== and === in files_sharing
Use !== and === in files_trashbin
Use !== and === in files
Use !== and === in files_external
Use !== and === in user_ldap
Use !== and === in user_webdavauth
Use !== and === in core and cron.php
Use !== and === in settings
Use !== and === in lib – Part 1
Use !== and === in lib – Part 2
Use !== and === in lib – Part 3
Use !== and === in search, status and tests