Title: Authentication error
Last modified: August 21, 2016

---

# Authentication error

 *  [newash](https://wordpress.org/support/users/newash/)
 * (@newash)
 * [12 years, 9 months ago](https://wordpress.org/support/topic/authentication-error-1/)
 * I don’t know for sure if it’s a WP3.6 problem because I haven’t tried it on other
   versions but when I activate the plugin it gives me authentication failure message
   on every admin page.
    Practically making my admin area inaccessible.
 * I figured it might have something to do with the inlusion of _wp-includes/pluggable.
   php_ at the beggining. Removing it made the problem disappear. But without it
   _wp\_get\_current\_user()_ does not work. What to do?
 * To get around it I put every _wp\_get\_current\_user()_ calls into hooked-in 
   methods, hoping that by the time they are called the _pluggable.php_ is already
   called as well. It worked.
 * Here is my modified _admin-in-english-with-switch.php_ that works for WP3.6. 
   I shorened the code in other places as well, so it has more than the bare minimum
   modification. Sorry for that.
 *     ```
       /* Add menu on toolbar */
       add_action( 'init', 'load_switcher_script' );
       function load_switcher_script() {
       	if( get_user_meta( wp_get_current_user()->ID, 'enabled-admin-in-english', true ) == '' ) {
       		add_user_meta( wp_get_current_user()->ID, 'enabled-admin-in-english', 'true', true );
       	}
       	wp_enqueue_script( 'newscript', plugins_url( '/js/switcher.js', __FILE__ ), array( 'scriptaculous' ) );
       }    
   
       if( is_admin() ) {
       	add_action( 'admin_bar_menu', 'add_lang_selector', 100 );
       }
       function add_lang_selector( $admin_bar )
       {
       	global $wp_admin_bar;
       	$url_action = admin_url( 'admin-ajax.php' );
   
       	$wp_admin_bar->add_node( array (
       		'id'    => 'english',
       		'title' => 'English',
       		'href'  => '#',
       		'meta'  => array(
       			'title' => __('English')
       		),
       	) );
   
       	$wp_admin_bar->add_node( array (
       		'id'    => 'enable',
       		'parent' => 'english',
       		'title' => 'Enable',
       		'href'  => '#',
       		'meta'  => array(
       			'title' => __('Enable'),
       			'class' => 'my_menu_item_class',
       			'onclick' => 'jsEnableEng("true")'
       		),
       	) );
   
       	$wp_admin_bar->add_node( array (
       		'id'    => 'disable',
       		'parent' => 'english',
       		'title' => 'Disable',
       		'href'  => '#',
       		'meta'  => array(
       			'title' => __('Disable'),
       			'class' => 'my_menu_item_class',
       			'onclick' => 'jsEnableEng("false")'
       		),
       	) );
       }
       //end of toolbar
   
       /* Enabling English backend*/
       add_filter( 'locale', 'admin_in_english_locale' );
       function admin_in_english_locale( $locale ) {
       	return ( get_user_meta( wp_get_current_user()->ID, 'enabled-admin-in-english', true ) == 'true' && admin_in_english_is_admin() && !admin_in_english_is_frontend_ajax() ) ?
       		'en_US' : $locale;
       }
   
       function admin_in_english_is_admin() {
       	return is_admin() || admin_in_english_is_tiny_mce() || admin_in_english_is_login_page();
       }
   
       function admin_in_english_is_frontend_ajax() {
       	return defined( 'DOING_AJAX' ) && DOING_AJAX && false === strpos( wp_get_referer(), '/wp-admin/' );
       }
   
       function admin_in_english_is_tiny_mce() {
       	return false !== strpos( $_SERVER['REQUEST_URI'], '/wp-includes/js/tinymce/' );
       }
   
       function admin_in_english_is_login_page() {
       	return false !== strpos( $_SERVER['REQUEST_URI'], '/wp-login.php' );
       }
   
       add_action( 'wp_ajax_enable_eng', 'enable_eng' );
       function enable_eng() {
       	if( $_POST['data'] === 'true' || $_POST['data'] === 'false' ) {
       		update_user_meta( wp_get_current_user()->ID, 'enabled-admin-in-english', $_POST['data'] );
        	}
       	die(); // this is required to return a proper result
       }
       ```
   
 * [http://wordpress.org/plugins/admin-in-english-with-switch/](http://wordpress.org/plugins/admin-in-english-with-switch/)

The topic ‘Authentication error’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/admin-in-english-with-switch.svg)
 * [Admin in English with Switch](https://wordpress.org/plugins/admin-in-english-with-switch/)
 * [Support Threads](https://wordpress.org/support/plugin/admin-in-english-with-switch/)
 * [Active Topics](https://wordpress.org/support/plugin/admin-in-english-with-switch/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/admin-in-english-with-switch/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/admin-in-english-with-switch/reviews/)

## Tags

 * [WordPress 3.6](https://wordpress.org/support/topic-tag/wordpress-3-6/)

 * 0 replies
 * 1 participant
 * Last reply from: [newash](https://wordpress.org/support/users/newash/)
 * Last activity: [12 years, 9 months ago](https://wordpress.org/support/topic/authentication-error-1/)
 * Status: not resolved