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   1  <?php
   2  /**
   3   * Execute an AJAX action.
   4   *
   5   * To take full advantage of this file, call wp_ajaxurl(); in your theme
   6   * or plugin while registering your front-end scripts. Doing so will make
   7   * an ajaxurl variable available for use in javascripts. The ajaxurl
   8   * variable will point to this file's absolute URL.
   9   *
  10   * In the admin area, an ajaxurl variable is always available, and points
  11   * to wp-admin/admin-ajax.php instead.
  12   *
  13   * @since 3.0
  14   */
  15  define('DOING_AJAX', true);
  16  require_once ('wp-load.php');
  17  
  18  @header('Content-Type: text/html; charset=' . get_option('blog_charset'));
  19  send_nosniff_header();
  20  
  21  do_action('ajax_init');
  22  
  23  $hook = !empty($_REQUEST['action']) ? 'ajax_' . $_REQUEST['action'] : false;
  24  
  25  if ( empty($hook) || ! has_action($hook) ) {
  26      status_header(400);
  27      exit;
  28  }
  29  
  30  do_action($hook);
  31  ?>