Extract of the upgrade function used by the "Types de membre" plugin

admin.php

<?php

function unique_prefix_upgrade_plugin() {
	// Old way of storing Member type props.
	$member_type_props = get_option(
		'_unique_prefix_option_name'
		array(
			// Term ID => Member Type plural name.
			170 => 'Company service A',
			177 => 'Company service B',
		)
	);
	
	// BuddyPress required file.
	$bp_file = trailingslashit( buddypress()->plugin_dir ) . 'bp-core/admin/bp-core-admin-types.php';
	
	if ( $member_types_props && file_exists( $bp_file ) ) {
		require_once $bp_file;
		
		$member_types = bp_get_terms(
			array(
				'taxonomy' => bp_get_member_type_tax_name(),
				'include'  => array_keys( $member_type_props ),
				'fields'   => 'id=>slug',
			)
		);

		foreach ( $member_types as $term_id => $slug ) {
			if ( ! isset( $member_type_props[ $term_id ] ) ) {
				continue;
			}

			bp_core_admin_update_type(
				array(
					'taxonomy'               => bp_get_member_type_tax_name(),
					'type_term_id'           => $term_id,
					'bp_type_name'           => $member_type_props[ $term_id ], // Plural name.
					'bp_type_singular_name'  => $member_type_props[ $term_id ], // Singular name.
					'bp_type_has_directory'  => true, // True to allow the Members directory to be filtered by this type.
					'bp_type_directory_slug' => $slug,
					'bp_type_show_in_list'   => true, // True to allow the type to be listed into the Member page's header.
				)
			);
		}
	}
}