Here is a list of all documented variables with links to the class documentation for each member:

- f -

FAIL : mod_h5pactivity\output\result
FAILED : core_admin\reportbuilder\local\entities\task_log
FIELD_DAY : core\task\scheduled_task
FIELD_DAYOFWEEK : core\task\scheduled_task
FIELD_HOUR : core\task\scheduled_task
FIELD_MINUTE : core\task\scheduled_task
FIELD_MONTH : core\task\scheduled_task
FIELD_VALUE_DELIMETER : core_reportbuilder\local\aggregation\groupconcat
FILE_HANDLE_FOPEN : stored_file
FILE_HANDLE_GZOPEN : stored_file
FILE_HTML_DETAILS : core\antivirus\quarantine
FILE_NAME_DATE_FORMAT : core\antivirus\quarantine
FILE_ZIP_ALL_INFECTED : core\antivirus\quarantine
FILE_ZIP_INFECTED : core\antivirus\quarantine
FILENAMESHORT_LENGTH : core_files\external\stored_file_exporter
FILETYPE_POOL : qformat_blackboard_six
FILETYPE_QTI : qformat_blackboard_six
FILTER_ACCOUNT_CREATION : tool_usertours\local\filter\accessdate
FILTER_CREATION : tool_dataprivacy\local\helper
FILTER_DATES : forumreport_summary\summary_table
FILTER_ENABLED_DEFAULT : tool_usertours\local\filter\accessdate
FILTER_FIRST_LOGIN : tool_usertours\local\filter\accessdate
FILTER_FORUM : forumreport_summary\summary_table
FILTER_GROUPS : forumreport_summary\summary_table
FILTER_LAST_LOGIN : tool_usertours\local\filter\accessdate
FILTER_STATUS : tool_dataprivacy\local\helper
FILTER_TYPE : tool_dataprivacy\local\helper
FILTERS : mod_bigbluebuttonbn\completion\custom_completion
FINAL_PDF_FILEAREA : assignfeedback_editpdf\document_services
FINISHED : mod_quiz\quiz_attempt
FIRST_TRY : question_attempt
FLOAT_MAX_LENGTH : xmldb_field
FONTAWESOME : core\output\icon_system
FORM_FIELDS : core\hub\registration
FORMULAS_IN_TEXT_REGEX : qtype_calculated
FORUM_DISCUSSION_UNSUBSCRIBED : mod_forum\subscriptions
FRAG_SIZE : search_solr\engine
FREQ_DAILY : core_calendar\rrule_manager
FREQ_HOURLY : core_calendar\rrule_manager
FREQ_MINUTELY : core_calendar\rrule_manager
FREQ_MONTHLY : core_calendar\rrule_manager
FREQ_SECONDLY : core_calendar\rrule_manager
FREQ_WEEKLY : core_calendar\rrule_manager
FREQ_YEARLY : core_calendar\rrule_manager
FULL : assign_feedback_plugin_feedback, assign_submission_plugin_submission, qbank_viewquestiontext\output\question_text_format
FULL_PRESET : core_adminpresets\manager