Add editor role to WPJM

functions.php

<?php 
/*
Plugin Name: Add Editor to WPJM Management
Plugin URI:  http://wpjobmanager.com
Description: Custom plugin to add the editor to WPJM.
Version:     0.1
Author:      Brandon Kraft
Author URI:  https://kraft.im/
 */

wpjm_hack_add_user_roles();

	function wpjm_hack_add_user_roles() {
		global $wp_roles;

		if ( class_exists( 'WP_Roles' ) && ! isset( $wp_roles ) ) {
			$wp_roles = new WP_Roles();
		}

		if ( is_object( $wp_roles ) ) {

			$capabilities = wpjm_hack_get_core_capabilities();

			foreach ( $capabilities as $cap_group ) {
				foreach ( $cap_group as $cap ) {
					$wp_roles->add_cap( 'editor', $cap );
				}
			}
		}
	}

	/**
	 * Get capabilities
	 * @return array
	 */
	function wpjm_hack_get_core_capabilities() {
		return array(
			'core' => array(
				'manage_job_listings',
				'manage_resumes'
			),
			'job_listing' => array(
				"edit_job_listing",
				"read_job_listing",
				"delete_job_listing",
				"edit_job_listings",
				"edit_others_job_listings",
				"publish_job_listings",
				"read_private_job_listings",
				"delete_job_listings",
				"delete_private_job_listings",
				"delete_published_job_listings",
				"delete_others_job_listings",
				"edit_private_job_listings",
				"edit_published_job_listings",
				"manage_job_listing_terms",
				"edit_job_listing_terms",
				"delete_job_listing_terms",
				"assign_job_listing_terms"
			)
		);
	}