delete_bms.php

《PHP和MySQL Web开发》(第三版) Source

<?php
  require_once('bookmark_fns.php');
  session_start();
 
  //create short variable names
  $del_me = $HTTP_POST_VARS['del_me'];
  $valid_user = $HTTP_SESSION_VARS['valid_user'];
 
  do_html_header('Deleting bookmarks');
  check_valid_user();
  if (!filled_out($HTTP_POST_VARS))
  {
    echo 'You have not chosen any bookmarks to delete.
         Please try again.';
    display_user_menu();
    do_html_footer();  
    exit;
  }
  else 
  {
    if (count($del_me) >0)
    {
      foreach($del_me as $url)
      {
        if (delete_bm($valid_user, $url))
          echo 'Deleted '.htmlspecialchars($url).'.<br />';
        else
          echo 'Could not delete '.htmlspecialchars($url).'.<br />';
      }  
    }
    else
      echo 'No bookmarks selected for deletion';
  }
  // get the bookmarks this user has saved
  if ($url_array = get_user_urls($valid_user))
    display_user_urls($url_array);

  display_user_menu(); 
  do_html_footer();
?>