' . __('Settings', 'acknowledgify') . ''; array_unshift($links, $settings_link); return $links; } add_filter('plugin_action_links_' . plugin_basename(__FILE__), 'acknowledgify_plugin_settings_link'); // Plugin activation & deactivation hooks function acknowledgify_activation() { Humans_txt::add_write_rules(); // Defined in humans-txt.php. flush_rewrite_rules(); } register_activation_hook( __FILE__, 'acknowledgify_activation' ); function acknowledgify_deactivation() { flush_rewrite_rules(); } register_deactivation_hook( __FILE__, 'acknowledgify_deactivation' );