public function MigrateListXML::computeCount in Migrate 7.2

Same name and namespace in other branches

1. 6.2 plugins/sources/xml.inc \MigrateListXML::computeCount()

Return a count of all available IDs from the source listing. The default implementation assumes the count of top-level elements reflects the number of IDs available - in many cases, you will need to override this to reflect your particular XML structure.

Overrides MigrateList::computeCount

File

plugins/sources/xml.inc, line 129

Support for migration from XML sources.

Class

MigrateListXML

Implementation of MigrateList, for retrieving a list of IDs to be migrated from an XML document.

Code

public function computeCount() {
  $xml = simplexml_load_file($this->listUrl);
  $this
    ->registerNamespaces($xml);

  // Number of sourceid elements beneath the top-level element.
  $count = count($xml);

  // Additionally, if there are any namespaces registered, try to count
  // elements with namespaces as well.
  if ($namespaces = $xml
    ->getNamespaces()) {
    foreach ($namespaces as $prefix => $url) {
      $count += count($xml
        ->children($url));
    }
  }
  return $count;
}