$ php maintenance/run.php dumpBackup --help

This script dumps the wiki page or logging database into an
XML interchange wrapper format for export or backup.

XML output is sent to stdout; progress reports are sent to stderr.

WARNING: this is not a full database dump! It is merely for public export
         of your wiki. For full backup, see our online help at:
         https://www.mediawiki.org/wiki/Backup

Usage: php maintenance/run.php dumpBackup [OPTION]...

Script runner options:
    --conf <CONF>: Location of LocalSettings.php, if not default
    --globals: Output globals at the end of processing for debugging
    --help (-h): Display this help message
    --memory-limit <MEMORY-LIMIT>: Set a specific memory limit for the
        script, "max" for no limit or "default" to avoid changing it
    --profiler <PROFILER>: Profiler output format (usually "text")
    --quiet (-q): Whether to suppress non-error output
    --server <SERVER>: The protocol and server name to use in URLs, e.g.
        https://en.wikipedia.org. This is sometimes necessary because server
        name detection may fail in command line scripts.
    --wiki <WIKI>: For specifying the wiki ID

Common options:
    --dbgroupdefault <DBGROUPDEFAULT>: The default DB group to use.
    --dbpass <DBPASS>: The password to use for this script
    --dbuser <DBUSER>: The DB user to use for this script

Script specific options:
    --7ziplevel <7ZIPLEVEL>: 7zip compression level for all 7zip
        outputs. Used for -mx option to 7za command.
    --current: Dump only the latest revision of every page.
    --end <END>: Stop before page_id or log_id n (exclusive)
    --filter <FILTER>: Add a filter on an output branch. Specify as
        <type>[:<options>]. <types>s: latest, notalk, namespace
    --full: Dump all revisions of every page
    --include-files: Include files within the XML stream
    --logs: Dump all log events
    --namespaces: Limit to this comma-separated list of namespace
        numbers
    --orderrevs: Dump revisions in ascending revision order (implies
        dump of a range of pages)
    --output (-o) <OUTPUT (-O)>: Begin a filtered output stream; Specify
        as <type>:<file>. <type>s: file, gzip, bzip2, 7zip, dbzip2, lbzip2
    --pagelist <PAGELIST>: Dump only pages included in the file
    --plugin <PLUGIN>: Load a dump plugin class. Specify as
        <class>[:<file>].
    --report <REPORT>: Report position and speed after every n pages
        processed. Default: 100.
    --revend <REVEND>: Stop before rev_id n (exclusive)
    --revrange: Dump range of revisions specified by revstart and revend
        parameters
    --revstart <REVSTART>: Start from rev_id
    --schema-version <SCHEMA-VERSION>: Schema version to use for output.
        Default: 0.11
    --skip-footer: Don't output the </mediawiki> footer
    --skip-header: Don't output the <mediawiki> header
    --stable: Dump stable versions of pages
    --start <START>: Start from page_id or log_id
    --stub: Don't perform old_text lookups; for 2-pass dump
    --uploads: Include upload records without files