public static function FeedImport::getXpathValue in Feed Import 7.2

Same name and namespace in other branches

1. 7 feed_import.inc.php \FeedImport::getXpathValue()

Get value with xpath

Parameters

SimpleXMLElement &$item: Simplexmlobject to apply xpath on

string $xpath: Xpath to value

Return value

mixed A string or array of strings as a result of xpath function

1 call to FeedImport::getXpathValue()

FeedImport::createEntity in ./feed_import.inc.php

Create Entity object

File

./feed_import.inc.php, line 410

Feed import class for parsing and processing content.

Class

FeedImport

@file Feed import class for parsing and processing content.

Code

public static function getXpathValue(&$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 value or an array of values.
  return $count == 1 ? $values[0] : $values;
}