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wpdb::db_version(): string|null

Retrieves the database server version.

Return

string|null Version number on success, null on failure.

Source

File: wp-includes/class-wpdb.php. View all references

public function db_version() {
	return preg_replace( '/[^0-9.].*/', '', $this->db_server_info() );
}

Uses

Uses Description
wpdb::db_server_info() wp-includes/class-wpdb.php

Retrieves full database server information.

Used By

Used By Description
WP_Automatic_Updater::should_update() wp-admin/includes/class-wp-automatic-updater.php

Tests to see if we can and should update a specific item.
dbDelta() wp-admin/includes/upgrade.php

Modifies the database based on specified SQL statements.
update_core() wp-admin/includes/update-core.php

Upgrades the core of WordPress.
list_core_update() wp-admin/update-core.php

Lists available core updates.
wp_version_check() wp-includes/update.php

Checks WordPress version against the newest version.
wpdb::check_database_version() wp-includes/class-wpdb.php

Determines whether MySQL database is at least the required minimum version.
wpdb::has_cap() wp-includes/class-wpdb.php

Determines whether the database or WPDB supports a particular feature.

Changelog

Version Description
2.7.0 Introduced.

© 2003–2022 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wpdb/db_version