populate_roles()

719function populate_roles() {720	$wp_roles = wp_roles();721 722	// Disable role updates to the database while populating roles.723	$original_use_db  = $wp_roles->use_db;724	$wp_roles->use_db = false;725 726	// Populate roles727	populate_roles_160();728	populate_roles_210();729	populate_roles_230();730	populate_roles_250();731	populate_roles_260();732	populate_roles_270();733	populate_roles_280();734	populate_roles_300();735 736	// Save the updated roles to the database.737	if ( $original_use_db ) {738		update_option( $wp_roles->role_key, $wp_roles->roles, true );739	}740 741	// Restore original value for writing to database.742	$wp_roles->use_db = $original_use_db;743}