Controls the display of the AddThis Sharing Sidebar style using the show/hide Addthis sharing radio buttons in admin post add/edit page. When using the plugin Share Buttons by AddThis for WordPress (https://wordpress.org/plugins/addthis/), this code snippet aims to resolve this problem described here https://wordpress.org/support/topic/include-a…

wp-ctrl-addthis-sidebar.php

<?php
/**
 * Controls the display of the AddThis Sharing Sidebar style using the 
 * show/hide Addthis sharing radio buttons in admin post add/edit page.
 */
add_action( 'wp', 'ctrl_addthis_sidebar' );
function ctrl_addthis_sidebar() {
	if ( get_post_meta( get_the_ID(), '_at_widget', true ) == 0 ) {
		global $AddThis_addjs_sharing_button_plugin;
		remove_action( 'wp_footer', array( $AddThis_addjs_sharing_button_plugin, 'output_script' ) );
	}
}