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<?php

/**

 * @file

 * Documentation of Feeds XPath Parser hooks.

 */

/**

 * Implements hook_feeds_xpathparser_filter_domnode().

 *

 * Allows arbitrary manipulation of the feed item being processed while it is

 * still a DOMNode.

 *

 * This hook can also be used to skip parsing of a specific feed item by

 * returning TRUE.

 *

 * @param DOMNode $node

 *   The feed item being parsed, as a dom node.

 * @param DOMDocument $document

 *   The entire XML/HTML document being parsed.

 * @param FeedsSource $source

 *   The feed source being imported.

 *

 * @return bool

 *   Returns TRUE if the dom node should be skipped.

 */

function hook_feeds_xpathparser_filter_domnode(DOMNode $node, DOMDocument $document, FeedsSource $source) {

  if (my_module_node_is_bad($node)) {

    return TRUE;

  }

  // To print out the raw XML.

  $debug = $document->saveXML($node);

  // For HTML.

  if (version_compare(phpversion(), '5.3.6', '>=')) {

    $debug = $document->saveHTML($node);

  }

  else {

    $debug = $document->saveXML($node, LIBXML_NOEMPTYTAG);

  }

  drupal_set_message($debug);

}