ultimate-facebook-comments/uninstall.php at master · iamsayan/ultimate-facebook-comments · GitHub

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<?php
/**
 * Runs on Uninstall of Ultimate Social Comments
 *
 * @package   Ultimate Social Comments
 * @author    Sayan Datta
 * @license   http://www.gnu.org/licenses/gpl.html
 */

// Exit if accessed directly
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) exit;

// Make sure that we are uninstalling
if ( !defined( 'WP_UNINSTALL_PLUGIN' ) )
    exit();

// Leave no trail
$plugin_option = 'ufc_plugin_global_options';

if ( !is_multisite() ) {

    $options = get_option( $plugin_option );

	if ( isset($options['ufc_del_plugin_settings_cb']) && $options['ufc_del_plugin_settings_cb'] == 1 ) {

		// Remove all plugin settings
		delete_option( $plugin_option );
	}

} else {

	// This is a multisite
	//
	// @since 1.3.1

    global $wpdb;

    $blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
    $original_blog_id = get_current_blog_id();
    foreach ( $blog_ids as $blog_id ) {

        switch_to_blog( $blog_id );

		$options = get_option( $plugin_option );

		if ( isset($options['ufc_del_plugin_settings_cb']) && $options['ufc_del_plugin_settings_cb'] == 1 ) {

			// Remove all plugin settings
			delete_option( $plugin_option );
		}
    }
    switch_to_blog( $original_blog_id );
}