protected function FeedsExXml::convertEncoding in Feeds extensible parsers 7.2

Converts a string to UTF-8.

Requires the iconv, GNU recode or mbstring PHP extension.

Parameters

string $data: The string to convert.

string $encoding: The encoding to convert to.

Return value

string The encoded string, or the original string if encoding failed.

Overrides FeedsExBase::convertEncoding

See also

drupal_convert_to_utf8()

3 calls to FeedsExXml::convertEncoding()

FeedsExHtml::convertEncoding in src/FeedsExHtml.inc

Converts a string to UTF-8.

FeedsExQueryPathHtml::convertEncoding in src/FeedsExQueryPathHtml.inc

Converts a string to UTF-8.

FeedsExXml::prepareDocument in src/FeedsExXml.inc

Prepares the DOM document.

2 methods override FeedsExXml::convertEncoding()

FeedsExHtml::convertEncoding in src/FeedsExHtml.inc

Converts a string to UTF-8.

FeedsExQueryPathHtml::convertEncoding in src/FeedsExQueryPathHtml.inc

Converts a string to UTF-8.

File

src/FeedsExXml.inc, line 187

Contains FeedsExXml.

Class

FeedsExXml

Parses XML documents with XPath.

Code

protected function convertEncoding($data, $encoding = 'UTF-8') {

  // Check for an encoding declaration in the XML prolog.
  $matches = FALSE;
  if (preg_match('/^<\\?xml[^>]+encoding\\s*=\\s*("|\')(.+?)(\\1)/', $data, $matches)) {
    $encoding = $matches[2];
  }
  elseif ($detected = parent::detectEncoding($data)) {
    $encoding = $detected;
  }

  // Unsupported encodings are converted here into UTF-8.
  $php_supported = array(
    'utf-8',
    'us-ascii',
    'ascii',
  );
  if (in_array(strtolower($encoding), $php_supported)) {
    return $data;
  }
  $data = parent::convertEncoding($data, $encoding);
  if ($matches) {
    $data = preg_replace('/^(<\\?xml[^>]+encoding\\s*=\\s*("|\'))(.+?)(\\2)/', '$1UTF-8$4', $data);
  }
  return $data;
}