<?php
+
/**
* @file include/xml.php
*/
/**
- * @brief This class contain functions to work with XML data
+ * @brief This class contain methods to work with XML data
*
*/
class xml {
public static function from_array($array, &$xml, $remove_header = false, $namespaces = array(), $root = true) {
if ($root) {
- foreach($array as $key => $value) {
- foreach ($namespaces AS $nskey => $nsvalue)
+ foreach ($array as $key => $value) {
+ foreach ($namespaces AS $nskey => $nsvalue) {
$key .= " xmlns".($nskey == "" ? "":":").$nskey.'="'.$nsvalue.'"';
+ }
- $root = new SimpleXMLElement("<".$key."/>");
- self::from_array($value, $root, $remove_header, $namespaces, false);
+ if (is_array($value)) {
+ $root = new SimpleXMLElement("<".$key."/>");
+ self::from_array($value, $root, $remove_header, $namespaces, false);
+ } else {
+ $root = new SimpleXMLElement("<".$key.">".xmlify($value)."</".$key.">");
+ }
$dom = dom_import_simplexml($root)->ownerDocument;
$dom->formatOutput = true;
$xml_text = $dom->saveXML();
- if ($remove_header)
+ if ($remove_header) {
$xml_text = trim(substr($xml_text, 21));
+ }
return $xml_text;
}
}
foreach($array as $key => $value) {
+ if (!isset($element) && isset($xml)) {
+ $element = $xml;
+ }
+
+ if (is_integer($key)) {
+ if (isset($element)) {
+ if (is_scalar($value)) {
+ $element[0] = $value;
+ } else {
+ /// @todo: handle nested array values
+ }
+ }
+ continue;
+ }
+
+ $element_parts = explode(":", $key);
+ if ((count($element_parts) > 1) && isset($namespaces[$element_parts[0]])) {
+ $namespace = $namespaces[$element_parts[0]];
+ } elseif (isset($namespaces[""])) {
+ $namespace = $namespaces[""];
+ } else {
+ $namespace = NULL;
+ }
+
+ // Remove undefined namespaces from the key
+ if ((count($element_parts) > 1) && is_null($namespace)) {
+ $key = $element_parts[1];
+ }
+
if (substr($key, 0, 11) == "@attributes") {
- if (!isset($element) OR !is_array($value))
+ if (!isset($element) || !is_array($value)) {
continue;
+ }
foreach ($value as $attr_key => $attr_value) {
$element_parts = explode(":", $attr_key);
- if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
+ if ((count($element_parts) > 1) && isset($namespaces[$element_parts[0]])) {
$namespace = $namespaces[$element_parts[0]];
- else
+ } else {
$namespace = NULL;
+ }
- $element->addAttribute ($attr_key, $attr_value, $namespace);
+ $element->addAttribute($attr_key, $attr_value, $namespace);
}
continue;
}
- $element_parts = explode(":", $key);
- if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
- $namespace = $namespaces[$element_parts[0]];
- else
- $namespace = NULL;
-
- if (!is_array($value))
+ if (!is_array($value)) {
$element = $xml->addChild($key, xmlify($value), $namespace);
- elseif (is_array($value)) {
+ } elseif (is_array($value)) {
$element = $xml->addChild($key, NULL, $namespace);
self::from_array($value, $element, $remove_header, $namespaces, false);
}
$target->addChild($elementname, xmlify($source));
else {
$child = $target->addChild($elementname);
- foreach ($source->children() AS $childfield => $childentry)
+ foreach ($source->children() AS $childfield => $childentry) {
self::copy($childentry, $child, $childfield);
+ }
}
}
/**
* @brief Convert an XML document to a normalised, case-corrected array
* used by webfinger
- *
+ *
* @param object $xml_element The XML document
- * @param integer $recursion_depth recursion counter for internal use - default 0
+ * @param integer $recursion_depth recursion counter for internal use - default 0
* internal use, recursion counter
- *
+ *
* @return array | sring The array from the xml element or the string
*/
public static function element_to_array($xml_element, &$recursion_depth=0) {
return(null);
}
- if (!is_string($xml_element) &&
- !is_array($xml_element) &&
- (get_class($xml_element) == 'SimpleXMLElement')) {
- $xml_element_copy = $xml_element;
- $xml_element = get_object_vars($xml_element);
+ if (!is_string($xml_element)
+ && !is_array($xml_element)
+ && (get_class($xml_element) == 'SimpleXMLElement')) {
+ $xml_element_copy = $xml_element;
+ $xml_element = get_object_vars($xml_element);
}
if (is_array($xml_element)) {
return (trim(strval($xml_element_copy)));
}
- foreach($xml_element as $key=>$value) {
+ foreach ($xml_element as $key => $value) {
$recursion_depth++;
$result_array[strtolower($key)] =
/**
* @brief Convert the given XML text to an array in the XML structure.
- *
+ *
* xml::to_array() will convert the given XML text to an array in the XML structure.
* Link: http://www.bin-co.com/php/scripts/xml2array/
* Portions significantly re-written by mike@macgirvin.com for Friendica
* (namespaces, lowercase tags, get_attribute default changed, more...)
- *
+ *
* Examples: $array = xml::to_array(file_get_contents('feed.xml'));
* $array = xml::to_array(file_get_contents('feed.xml', true, 1, 'attribute'));
- *
+ *
* @param object $contents The XML text
* @param boolean $namespaces True or false include namespace information
* in the returned array as array elements.
- * @param integer $get_attributes 1 or 0. If this is 1 the function will get the attributes as well as the tag values -
+ * @param integer $get_attributes 1 or 0. If this is 1 the function will get the attributes as well as the tag values -
* this results in a different array structure in the return value.
* @param string $priority Can be 'tag' or 'attribute'. This will change the way the resulting
* array sturcture. For 'tag', the tags are given more importance.
- *
+ *
* @return array The parsed XML in an array form. Use print_r() to see the resulting array structure.
*/
- public static function to_array($contents, $namespaces = true, $get_attributes=1, $priority = 'attribute') {
- if(!$contents) return array();
+ public static function to_array($contents, $namespaces = true, $get_attributes = 1, $priority = 'attribute') {
+ if (!$contents) {
+ return array();
+ }
- if(!function_exists('xml_parser_create')) {
+ if (!function_exists('xml_parser_create')) {
logger('xml::to_array: parser function missing');
return array();
}
libxml_use_internal_errors(true);
libxml_clear_errors();
- if($namespaces)
+ if ($namespaces) {
$parser = @xml_parser_create_ns("UTF-8",':');
- else
+ } else {
$parser = @xml_parser_create();
+ }
- if(! $parser) {
+ if (! $parser) {
logger('xml::to_array: xml_parser_create: no resource');
return array();
}
@xml_parse_into_struct($parser, trim($contents), $xml_values);
@xml_parser_free($parser);
- if(! $xml_values) {
+ if (! $xml_values) {
logger('xml::to_array: libxml: parse error: ' . $contents, LOGGER_DATA);
- foreach(libxml_get_errors() as $err)
+ foreach (libxml_get_errors() as $err) {
logger('libxml: parse: ' . $err->code . " at " . $err->line . ":" . $err->column . " : " . $err->message, LOGGER_DATA);
+ }
libxml_clear_errors();
return;
}
// Go through the tags.
$repeated_tag_index = array(); // Multiple tags with same name will be turned into an array
- foreach($xml_values as $data) {
- unset($attributes,$value); // Remove existing values, or there will be trouble
+ foreach ($xml_values as $data) {
+ unset($attributes, $value); // Remove existing values, or there will be trouble
// This command will extract these variables into the foreach scope
// tag(string), type(string), level(int), attributes(array).
$result = array();
$attributes_data = array();
- if(isset($value)) {
- if($priority == 'tag') $result = $value;
- else $result['value'] = $value; // Put the value in a assoc array if we are in the 'Attribute' mode
+ if (isset($value)) {
+ if ($priority == 'tag') {
+ $result = $value;
+ } else {
+ $result['value'] = $value; // Put the value in a assoc array if we are in the 'Attribute' mode
+ }
}
//Set the attributes too.
- if(isset($attributes) and $get_attributes) {
- foreach($attributes as $attr => $val) {
- if($priority == 'tag') $attributes_data[$attr] = $val;
- else $result['@attributes'][$attr] = $val; // Set all the attributes in a array called 'attr'
+ if (isset($attributes) and $get_attributes) {
+ foreach ($attributes as $attr => $val) {
+ if($priority == 'tag') {
+ $attributes_data[$attr] = $val;
+ } else {
+ $result['@attributes'][$attr] = $val; // Set all the attributes in a array called 'attr'
+ }
}
}
// See tag status and do the needed.
- if($namespaces && strpos($tag,':')) {
- $namespc = substr($tag,0,strrpos($tag,':'));
- $tag = strtolower(substr($tag,strlen($namespc)+1));
+ if ($namespaces && strpos($tag, ':')) {
+ $namespc = substr($tag, 0, strrpos($tag, ':'));
+ $tag = strtolower(substr($tag, strlen($namespc)+1));
$result['@namespace'] = $namespc;
}
$tag = strtolower($tag);
- if($type == "open") { // The starting of the tag '<tag>'
+ if ($type == "open") { // The starting of the tag '<tag>'
$parent[$level-1] = &$current;
- if(!is_array($current) or (!in_array($tag, array_keys($current)))) { // Insert New tag
+ if (!is_array($current) || (!in_array($tag, array_keys($current)))) { // Insert New tag
$current[$tag] = $result;
- if($attributes_data) $current[$tag. '_attr'] = $attributes_data;
+ if ($attributes_data) {
+ $current[$tag. '_attr'] = $attributes_data;
+ }
$repeated_tag_index[$tag.'_'.$level] = 1;
$current = &$current[$tag];
} else { // There was another element with the same tag name
- if(isset($current[$tag][0])) { // If there is a 0th element it is already an array
+ if (isset($current[$tag][0])) { // If there is a 0th element it is already an array
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
$repeated_tag_index[$tag.'_'.$level]++;
} else { // This section will make the value an array if multiple tags with the same name appear together
- $current[$tag] = array($current[$tag],$result); // This will combine the existing item and the new item together to make an array
+ $current[$tag] = array($current[$tag], $result); // This will combine the existing item and the new item together to make an array
$repeated_tag_index[$tag.'_'.$level] = 2;
- if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
+ if (isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
unset($current[$tag.'_attr']);
}
$current = &$current[$tag][$last_item_index];
}
- } elseif($type == "complete") { // Tags that ends in 1 line '<tag />'
+ } elseif ($type == "complete") { // Tags that ends in 1 line '<tag />'
//See if the key is already taken.
- if(!isset($current[$tag])) { //New Key
+ if (!isset($current[$tag])) { //New Key
$current[$tag] = $result;
$repeated_tag_index[$tag.'_'.$level] = 1;
- if($priority == 'tag' and $attributes_data) $current[$tag. '_attr'] = $attributes_data;
+ if ($priority == 'tag' and $attributes_data) {
+ $current[$tag. '_attr'] = $attributes_data;
+ }
} else { // If taken, put all things inside a list(array)
- if(isset($current[$tag][0]) and is_array($current[$tag])) { // If it is already an array...
+ if (isset($current[$tag][0]) and is_array($current[$tag])) { // If it is already an array...
// ...push the new element into that array.
$current[$tag][$repeated_tag_index[$tag.'_'.$level]] = $result;
- if($priority == 'tag' and $get_attributes and $attributes_data) {
+ if ($priority == 'tag' and $get_attributes and $attributes_data) {
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
}
$repeated_tag_index[$tag.'_'.$level]++;
} else { // If it is not an array...
- $current[$tag] = array($current[$tag],$result); //...Make it an array using using the existing value and the new value
+ $current[$tag] = array($current[$tag], $result); //...Make it an array using using the existing value and the new value
$repeated_tag_index[$tag.'_'.$level] = 1;
- if($priority == 'tag' and $get_attributes) {
- if(isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
+ if ($priority == 'tag' and $get_attributes) {
+ if (isset($current[$tag.'_attr'])) { // The attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag.'_attr'];
unset($current[$tag.'_attr']);
}
- if($attributes_data) {
+ if ($attributes_data) {
$current[$tag][$repeated_tag_index[$tag.'_'.$level] . '_attr'] = $attributes_data;
}
}
}
}
- } elseif($type == 'close') { // End of tag '</tag>'
+ } elseif ($type == 'close') { // End of tag '</tag>'
$current = &$parent[$level-1];
}
}
return($xml_array);
}
+
+ /**
+ * @brief Delete a node in a XML object
+ *
+ * @param object $doc XML document
+ * @param string $node Node name
+ */
+ public static function deleteNode(&$doc, $node) {
+ $xpath = new DomXPath($doc);
+ $list = $xpath->query("//".$node);
+ foreach ($list as $child) {
+ $child->parentNode->removeChild($child);
+ }
+ }
}
-?>