/**
* Converts an XML string to a PHP array.
* This is the reverse function of array2xml()
*
* @param string $string XML content to convert into an array
* @param string $NSprefix The tag-prefix resolve, eg. a namespace like "T3:"
* @param boolean $reportDocTag If set, the document tag will be set in the key "_DOCUMENT_TAG" of the output array
* @return mixed If the parsing had errors, a string with the error message is returned. Otherwise an array with the content.
* @see array2xml()
*/
protected static function xml2arrayProcess($string, $NSprefix = '', $reportDocTag = FALSE)
{
// Create parser:
$parser = xml_parser_create();
$vals = array();
$index = array();
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 0);
// Default output charset is UTF-8, only ASCII, ISO-8859-1 and UTF-8 are supported!!!
$match = array();
preg_match('/^[[:space:]]*<\\?xml[^>]*encoding[[:space:]]*=[[:space:]]*"([^"]*)"/', substr($string, 0, 200), $match);
$theCharset = $match[1] ?: 'utf-8';
// us-ascii / utf-8 / iso-8859-1
xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, $theCharset);
// Parse content:
xml_parse_into_struct($parser, $string, $vals, $index);
// If error, return error message:
if (xml_get_error_code($parser)) {
return 'Line ' . xml_get_current_line_number($parser) . ': ' . xml_error_string(xml_get_error_code($parser));
}
xml_parser_free($parser);
// Init vars:
$stack = array(array());
$stacktop = 0;
$current = array();
$tagName = '';
$documentTag = '';
// Traverse the parsed XML structure:
foreach ($vals as $key => $val) {
// First, process the tag-name (which is used in both cases, whether "complete" or "close")
$tagName = $val['tag'];
if (!$documentTag) {
$documentTag = $tagName;
}
// Test for name space:
$tagName = $NSprefix && substr($tagName, 0, strlen($NSprefix)) == $NSprefix ? substr($tagName, strlen($NSprefix)) : $tagName;
// Test for numeric tag, encoded on the form "nXXX":
$testNtag = substr($tagName, 1);
// Closing tag.
$tagName = $tagName[0] === 'n' && MathUtility::canBeInterpretedAsInteger($testNtag) ? (int) $testNtag : $tagName;
// Test for alternative index value:
if (strlen($val['attributes']['index'])) {
$tagName = $val['attributes']['index'];
}
// Setting tag-values, manage stack:
switch ($val['type']) {
case 'open':
// If open tag it means there is an array stored in sub-elements. Therefore increase the stackpointer and reset the accumulation array:
// Setting blank place holder
$current[$tagName] = array();
$stack[$stacktop++] = $current;
$current = array();
break;
case 'close':
// If the tag is "close" then it is an array which is closing and we decrease the stack pointer.
$oldCurrent = $current;
$current = $stack[--$stacktop];
// Going to the end of array to get placeholder key, key($current), and fill in array next:
end($current);
$current[key($current)] = $oldCurrent;
unset($oldCurrent);
break;
case 'complete':
// If "complete", then it's a value. If the attribute "base64" is set, then decode the value, otherwise just set it.
if ($val['attributes']['base64']) {
$current[$tagName] = base64_decode($val['value']);
} else {
// Had to cast it as a string - otherwise it would be evaluate FALSE if tested with isset()!!
$current[$tagName] = (string) $val['value'];
// Cast type:
switch ((string) $val['attributes']['type']) {
case 'integer':
$current[$tagName] = (int) $current[$tagName];
break;
case 'double':
$current[$tagName] = (double) $current[$tagName];
break;
case 'boolean':
$current[$tagName] = (bool) $current[$tagName];
break;
case 'NULL':
$current[$tagName] = NULL;
break;
case 'array':
// MUST be an empty array since it is processed as a value; Empty arrays would end up here because they would have no tags inside...
$current[$tagName] = array();
break;
}
}
break;
}
}
if ($reportDocTag) {
$current[$tagName]['_DOCUMENT_TAG'] = $documentTag;
}
// Finally return the content of the document tag.
return $current[$tagName];
}
/**
* Takes a TypoScript array as input and returns an array which contains all integer properties found which had a value (not only properties). The output array will be sorted numerically.
*
* @param array $setupArr TypoScript array with numerical array in
* @param bool $acceptAnyKeys If set, then a value is not required - the properties alone will be enough.
* @return array An array with all integer properties listed in numeric order.
* @see \TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer::cObjGet(), \TYPO3\CMS\Frontend\Imaging\GifBuilder, \TYPO3\CMS\Frontend\ContentObject\Menu\ImageMenuContentObject::makeImageMap()
*/
public static function filterAndSortByNumericKeys($setupArr, $acceptAnyKeys = false)
{
$filteredKeys = [];
$keys = array_keys($setupArr);
foreach ($keys as $key) {
if ($acceptAnyKeys || MathUtility::canBeInterpretedAsInteger($key)) {
$filteredKeys[] = (int) $key;
}
}
$filteredKeys = array_unique($filteredKeys);
sort($filteredKeys);
return $filteredKeys;
}