Determines whether MySQL database is at least the required minimum version.

void|WP_Error

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

public function check_database_version() {
	global $wp_version, $required_mysql_version;
	// Make sure the server has the required MySQL version.
	if ( version_compare( $this->db_version(), $required_mysql_version, '<' ) ) {
		/* translators: 1: WordPress version number, 2: Minimum required MySQL version number. */
		return new WP_Error( 'database_version', sprintf( __( '<strong>Error:</strong> WordPress %1$s requires MySQL %2$s or higher' ), $wp_version, $required_mysql_version ) );
	}
}