php - WordPress how to give access to a page only for subscribers

Solution:

You could refactor your code like this:

add_action( 'template_redirect', 'checking_current_user' );

function checking_current_user() 
{

  global $post;

  global $current_user;
  
  $page_id = 1052;

  if ( 
      ( $post->post_parent == $page_id || is_page( $page_id ) )
      &&  
      ( !in_array('subscriber', $current_user->roles) )
     ) 
  {
    wp_safe_redirect( site_url('/custom-url-login') );
    exit;
  }
  
}
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This answer has been tested and works fine!

Solution:

Wouldn't this do what you asked for?

// If user role 'subscriber' & logged in do not redirect
    // You can/should place additional checks here based on user roles or user meta
    if ( current_user_can( 'subscriber' ) && is_user_logged_in()) {
        $redirect = false;
    }

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Solution:

First of all you must need to check user is logged-in or not, If user is not logged-in then you need to redirect user to login page, After to login you need to apply code code then it will work fine.

add_action( 'template_redirect', 'check_current_user' );
function check_current_user(){
 global $post, $current_user;
$page_id = 1052;
if ( is_page() && ( $post->post_parent == $page_id || is_page( $page_id ) ) ) {
   if ( is_user_logged_in() ) {
      /*==Now check user is subscriber==*/
      $current_user = wp_get_current_user();
      $role = $current_user->roles;
      $currentRole = $role[0];
      if($currentRole == "subscriber"){
         $redirect = false;
      }else{
         $redirect = true;
      }
  }else{
     wp_safe_redirect( site_url('/custom-url-login') );
  }
 }
}
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