[Views: only display a views attachment of the first page of results] #d7

1.php

<?php

function yourmodule_views_post_build($view) {
  $view_name = 'the_id_of_the_view';
  // The display ID of the main view display.
  $display_id = 'page_1';

  if ($view->name == $view_name && $view->current_display == $display_id) {
    $current_page = $view->get_current_page();
    // Hide the attachments on all pages beside the first one.
    if ($current_page > 0) {
      $view->attachment_before = '';
      $view->attachment_after = '';
    }
  }
}