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   1  <?php
   2  /**
   3   * WordPress Administration Importer API.
   4   *
   5   * @package WordPress
   6   * @subpackage Administration
   7   */
   8  
   9  /**
  10   * Retrieve list of importers.
  11   *
  12   * @since 2.0.0
  13   *
  14   * @return array
  15   */
  16  function get_importers() {
  17      global $wp_importers;
  18      if ( is_array($wp_importers) )
  19          uasort($wp_importers, create_function('$a, $b', 'return strcmp($a[0], $b[0]);'));
  20      return $wp_importers;
  21  }
  22  
  23  /**
  24   * Register importer for WordPress.
  25   *
  26   * @since 2.0.0
  27   *
  28   * @param string $id Importer tag. Used to uniquely identify importer.
  29   * @param string $name Importer name and title.
  30   * @param string $description Importer description.
  31   * @param callback $callback Callback to run.
  32   * @return WP_Error Returns WP_Error when $callback is WP_Error.
  33   */
  34  function register_importer( $id, $name, $description, $callback ) {
  35      global $wp_importers;
  36      if ( is_wp_error( $callback ) )
  37          return $callback;
  38      $wp_importers[$id] = array ( $name, $description, $callback );
  39  }
  40  
  41  /**
  42   * Cleanup importer.
  43   *
  44   * Removes attachment based on ID.
  45   *
  46   * @since 2.0.0
  47   *
  48   * @param string $id Importer ID.
  49   */
  50  function wp_import_cleanup( $id ) {
  51      wp_delete_attachment( $id );
  52  }
  53  
  54  /**
  55   * Handle importer uploading and add attachment.
  56   *
  57   * @since 2.0.0
  58   *
  59   * @return array
  60   */
  61  function wp_import_handle_upload() {
  62      if ( !isset($_FILES['import']) ) {
  63          $file['error'] = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' );
  64          return $file;
  65      }
  66  
  67      $overrides = array( 'test_form' => false, 'test_type' => false );
  68      $_FILES['import']['name'] .= '.txt';
  69      $file = wp_handle_upload( $_FILES['import'], $overrides );
  70  
  71      if ( isset( $file['error'] ) )
  72          return $file;
  73  
  74      $url = $file['url'];
  75      $type = $file['type'];
  76      $file = addslashes( $file['file'] );
  77      $filename = basename( $file );
  78  
  79      // Construct the object array
  80      $object = array( 'post_title' => $filename,
  81          'post_content' => $url,
  82          'post_mime_type' => $type,
  83          'guid' => $url
  84      );
  85  
  86      // Save the data
  87      $id = wp_insert_attachment( $object, $file );
  88  
  89      return array( 'file' => $file, 'id' => $id );
  90  }
  91  
  92  ?>