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4 comments

  1. To restrict direct access only for ‘wp-login.php’, without POST or GET request (useful for custom ajax login forms), I use the advanced function:

    function possibly_redirect(){
  global $pagenow;
  if( 'wp-login.php' == $pagenow ) {
    if ( isset( $_POST['wp-submit'] ) ||   // in case of LOGIN
      ( isset($_GET['action']) && $_GET['action']=='logout') ||   // in case of LOGOUT
      ( isset($_GET['checkemail']) && $_GET['checkemail']=='confirm') ||   // in case of LOST PASSWORD
      ( isset($_GET['checkemail']) && $_GET['checkemail']=='registered') ) return;    // in case of REGISTER
    else wp_redirect( home_url() ); // or wp_redirect(home_url('/login'));
    exit();
  }
}
add_action('init','possibly_redirect');

  2. Actually I found the right way to do this.

    For redirect wordpress login to a custom url:

    function redirect_login()
{
wp_redirect( home_url( '/login' ) );
exit(); 
}
add_action( 'login_form_login', 'redirect_login' );

    For redirect wordpress registration to a custom url:

     function redirect_register()
{
wp_redirect( home_url( '/registration' ) );
exit(); 
}
add_action( 'login_form_register', 'redirect_register' );

    I think the code is very simple to understand, basically you add hooks for login and register url’s and then use wp-redirect to redirect to a custom url. All requests to wp-login.php and wp-login.php?action=register will be redirected to the custom url’s you set.

  3. I would recommend John’s answer, having exit() omitted. So, the code that is fully functional in my case is: 

    function redirect_login() {
    wp_redirect( home_url( '/login' ) ); 
}
add_action( 'login_form_login', 'redirect_login' );

    It seems that the exit() is making it impossible for a user to login.

  4. Two things to note from the WP function reference for wp_redirect()…

    1. an exit; is indeed part of the usage, and
    2. $location parameter is to be the “Absolute URI”, one including the protocol (http://)
      Example of Absolute/Full URI: http://www.example.com/blog/images/icecream.jpg