WordPress Cross Reference

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   1  <?php
   2  /**
   3   * Outputs the OPML XML format for getting the links defined in the link
   4   * administration. This can be used to export links from one blog over to
   5   * another. Links aren't exported by the WordPress export, so this file handles
   6   * that.
   7   *
   8   * This file is not added by default to WordPress theme pages when outputting
   9   * feed links. It will have to be added manually for browsers and users to pick
  10   * up that this file exists.
  11   *
  12   * @package WordPress
  13   */
  14  
  15  require_once( dirname( __FILE__ ) . '/wp-load.php' );
  16  
  17  header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
  18  $link_cat = '';
  19  if ( !empty($_GET['link_cat']) ) {
  20      $link_cat = $_GET['link_cat'];
  21      if ( !in_array($link_cat, array('all', '0')) )
  22          $link_cat = absint( (string)urldecode($link_cat) );
  23  }
  24  
  25  echo '<?xml version="1.0"?'.">\n";
  26  ?>
  27  <opml version="1.0">
  28      <head>
  29          <title><?php printf( __('Links for %s'), esc_attr(get_bloginfo('name', 'display')) ); ?></title>
  30          <dateCreated><?php echo gmdate("D, d M Y H:i:s"); ?> GMT</dateCreated>
  31          <?php
  32          /**
  33           * Fires in the OPML header.
  34           *
  35           * @since 3.0.0
  36           */
  37          do_action( 'opml_head' );
  38          ?>
  39      </head>
  40      <body>
  41  <?php
  42  if ( empty($link_cat) )
  43      $cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0));
  44  else
  45      $cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0, 'include' => $link_cat));
  46  
  47  foreach ( (array)$cats as $cat ) :
  48      /**
  49       * Filter the OPML outline link category name.
  50       *
  51       * @since 2.2.0
  52       *
  53       * @param string $catname The OPML outline category name.
  54       */
  55      $catname = apply_filters( 'link_category', $cat->name );
  56  
  57  ?>
  58  <outline type="category" title="<?php echo esc_attr($catname); ?>">
  59  <?php
  60      $bookmarks = get_bookmarks(array("category" => $cat->term_id));
  61      foreach ( (array)$bookmarks as $bookmark ) :
  62          /**
  63           * Filter the OPML outline link title text.
  64           *
  65           * @since 2.2.0
  66           *
  67           * @param string $title The OPML outline title text.
  68           */
  69          $title = apply_filters( 'link_title', $bookmark->link_name );
  70  ?>
  71      <outline text="<?php echo esc_attr($title); ?>" type="link" xmlUrl="<?php echo esc_attr($bookmark->link_rss); ?>" htmlUrl="<?php echo esc_attr($bookmark->link_url); ?>" updated="<?php if ('0000-00-00 00:00:00' != $bookmark->link_updated) echo $bookmark->link_updated; ?>" />
  72  <?php
  73      endforeach; // $bookmarks
  74  ?>
  75  </outline>
  76  <?php
  77  endforeach; // $cats
  78  ?>
  79  </body>
  80  </opml>
/ -> wp-links-opml.php (source)
