gistfile1.php

<?php
add_action( 'user_register', 'give_wcpl_user_package_on_registration' );

function give_wcpl_user_package_on_registration( $user_id ) {
	global $wpdb;
	
	if ( wpjm_check_user_role( 'employer', $user_id ) ) {

		$wpdb->insert(
			"{$wpdb->prefix}wcpl_user_packages",
			array(
				'user_id'          => $user_id,
				'product_id'       => 0,  // This should be set to the ID of a package in WooCommerce if you want it to show a package name!
				'package_count'    => 0,  // Leave
				'package_duration' => 30, // How long job listings last
				'package_limit'    => 1,  // How many jobs can be posted for free
				'package_featured' => 0,  // 0 = not featured
				'package_type'     => 'job_listing'
			)
		);
	
	}
}

function wpjm_check_user_role( $role, $user_id = null ) {
 
    if ( is_numeric( $user_id ) ) {
	$user = get_userdata( $user_id );
    } else {
        $user = wp_get_current_user();
    }
    
    if ( empty( $user ) ) {
	return false;
    }
 
    return in_array( $role, (array) $user->roles );
}

Question, because customizing functions.php isn't my strength...
I want to give free listings to regular WP user roles and only make the employer role pay. How would I modify this to allow, say admins and authors, to post for free?