WordPress Plugin: Clear Out Genesis 2.6 Deprecated Fields (MultiSite Compatible)

update-deprecated-genesis-options.php

<?php

/**
 * Plugin Name:       Update Deprecated Genesis Options
 * Description:       Clears out deprecated Genesis RSS options from Genesis < v2.6. Uninstall after activation.
 * Version:           1.0.0
 * Author:            Chris Mower
 * Author URI:        https://thecookingdish.com
 * License:           GPL-2.0+
 * License URI:       http://www.gnu.org/licenses/gpl-2.0.txt
 * Text Domain:       cm-udgo
 * Domain Path:       /languages
 */

// If this file is called directly, abort.
if (!defined('WPINC')) {
    die;
}

/**
 * The code that runs during plugin activation.
 *
 * @since	1.0.0
 * @param	boolean		$network	True if plugin is network activated.
 */
register_activation_hook(__FILE__, 'cm_activate_update_deprecated_genesis_options');
function cm_activate_update_deprecated_genesis_options($network)
{
    // Check permissions
    if (!current_user_can('activate_plugins')) {
        die;
    }

    global $wpdb;

    // Check to see if WP install is MultiSite
    if (function_exists('is_multisite') && is_multisite()) {

        // Determine if the plugin is network activated
        if ($network) {

            // Get the list of network's blog ids
            $blog_ids = $wpdb->get_col("SELECT blog_id FROM $wpdb->blogs");

            // Iterate through each MultiSite blog
            foreach ($blog_ids as $id) {
                switch_to_blog($id);
                cm_update_genesis_deprecated();
            }

            // Return to current blog
            restore_current_blog();

            // end
            return;
        } else {
            // If activated on single sites in the network
            cm_update_genesis_deprecated();
        }
    } else {
        // If not a MultiSite Install
        cm_update_genesis_deprecated();
    }
}

/**
 * Check for deprecated options, if set, update them.
 * 
 * @since   1.0.0
 * @return  void 
 */
function cm_update_genesis_deprecated()
{
    // Get the Genesis Settings option from wp-options
    $genesis_options = (array) get_option('genesis-settings');

    /**
     * Style Selection
     * 
     * '' = clear out existing content, leave empty string
     * 
     * Not deprecated, but for if your current them no longer uses
     * a style selection, and you're not going back to the old theme
     * that used it. 
     * 
     * Comment this part out if you use a style selector.
     */
    if (isset($genesis_options['style_selection'])) {
        $genesis_options['style_selection'] = '';
    }

    /**
     * Posts Feed URI
     * 
     * '' = clear out existing content, leave empty string
     */
    if (isset($genesis_options['feed_uri'])) {
        $genesis_options['feed_uri'] = '';
    }

    /**
     * Posts Feed Redirect
     * 
     * 0 = do not redirect
     * 1 = redirect
     */
    if (isset($genesis_options['redirect_feed'])) {
        $genesis_options['redirect_feed'] = '0';
    }

    /**
     * Comments Feed URI
     * 
     * '' = clear out existing content, leave empty string
     */
    if (isset($genesis_options['comments_feed_uri'])) {
        $genesis_options['comments_feed_uri'] = '';
    }

    /**
     * Comments Feed Redirect
     * 
     * 0 = do not redirect
     * 1 = redirect
     */
    if (isset($genesis_options['redirect_comments_feed'])) {
        $genesis_options['redirect_comments_feed'] = '0';
    }

    update_option('genesis-settings', $genesis_options);
}

/**
 * Load Plugin; Do Nothing
 * 
 * @since   1.0.0
 * @return  void 
 */
function cm_load_update_deprecated_genesis_options_plugin()
{
    // plugin runs on activation
}
add_action('admin_init', 'cm_load_update_deprecated_genesis_options_plugin');