DBLogTestCase::getSeverityConstant in core/modules/dblog/tests/dblog.test

Gets the watchdog severity constant corresponding to the CSS class.

dblog_event in core/modules/dblog/dblog.admin.inc

Page callback: Displays details about a specific database log message.

dblog_filters in core/modules/dblog/dblog.admin.inc

Creates a list of database log administration filters that can be applied.

dblog_overview in core/modules/dblog/dblog.admin.inc

Page callback: Displays a listing of database log messages.

hook_watchdog in core/modules/system/system.api.php

Log an event message.

system_logging_settings in core/modules/system/system.admin.inc

Form builder; Configure error reporting settings.