public function FeedImportSimpleXPathReader::map in Feed Import 7.3

Returns a value mapped from obj by path.

Parameters

mixed $obj Variable to search:

mixed $path Path to value:

Return value

mixed Mapped value

Overrides FeedImportReader::map

File

feed_import_base/inc/feed_import_abstract.inc, line 138

This file contains abstract classes and interfaces for feed import.

Class

FeedImportSimpleXPathReader

This class is a helper for xpath readers using SimpleXMLElement.

Code

public function map(&$item, &$xpath) {

  // Get values and handle xpath exceptions.
  try {
    $values = $item
      ->xpath($xpath);
  } catch (Exception $e) {
    return NULL;
  }

  // Xpath gave no values return null.
  if (!$values) {
    return NULL;
  }

  // Get the number of values.
  $count = count($values);
  $i = -1;
  while (++$i < $count) {

    // Get each value.
    $values[$i] = (string) $values[$i][0];
  }

  // Return values.
  return $count == 1 ? $values[0] : $values;
}