function _parser_common_syndication_link in Feeds 7.2

Same name and namespace in other branches

1. 8.2 libraries/common_syndication_parser.inc \_parser_common_syndication_link()
2. 6 libraries/common_syndication_parser.inc \_parser_common_syndication_link()
3. 7 libraries/common_syndication_parser.inc \_parser_common_syndication_link()

Extract the link that points to the original content (back to site or original article)

Parameters

array $links: Array of SimpleXML objects.

Return value

string An URL if found. An empty string otherwise.

1 call to _parser_common_syndication_link()

_parser_common_syndication_atom10_parse in libraries/common_syndication_parser.inc

Parse atom feeds.

File

libraries/common_syndication_parser.inc, line 632

Downloading and parsing functions for Common Syndication Parser. Pillaged from FeedAPI common syndication parser.

Code

function _parser_common_syndication_link($links) {
  $to_link = '';
  if (count($links) > 0) {
    foreach ($links as $link) {
      $link = $link
        ->attributes();
      $to_link = isset($link["href"]) ? "{$link["href"]}" : "";
      if (isset($link["rel"])) {
        if ("{$link["rel"]}" == 'alternate') {
          break;
        }
      }
    }
  }
  return trim($to_link);
}