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<?php | |
/* | |
Plugin name: Single user login | |
Plugin URI: | |
Description: | |
Author: Ben May | |
Author URI: | |
Version: 0.1 | |
*/ | |
if( !class_exists( 'WPSingleUserLoggin' ) ) | |
{ | |
class WPSingleUserLoggin | |
{ | |
private $session_id; | |
function __construct() | |
{ | |
if ( ! session_id() ) | |
session_start(); | |
$this->session_id = session_id(); | |
add_action( 'init', array( $this, 'init' ) ); | |
add_action( 'wp_login', array( $this, 'wp_login' ), 10, 2 ); | |
} | |
function init() | |
{ | |
if( ! is_user_logged_in() ) | |
return; | |
$stored_sess_id = get_user_meta( get_current_user_id(), '_wp_single_user_hash', true ); | |
if( $stored_sess_id != $this->session_id ) | |
{ | |
wp_logout(); | |
wp_redirect( wp_login_url() ); | |
exit; | |
} | |
} | |
function wp_login( $user_login, $user ) | |
{ | |
update_user_meta( $user->ID, '_wp_single_user_hash', $this->session_id ); | |
return; | |
} | |
} | |
new WPSingleUserLoggin(); | |
} |
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