mirror of
https://github.com/friendica/friendica
synced 2024-12-23 16:40:17 +00:00
131 lines
3.7 KiB
PHP
131 lines
3.7 KiB
PHP
<?php
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/**
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* @file include/xml.php
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*/
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/**
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* @brief This class contain functions to work with XML data
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*
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*/
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class xml {
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/**
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* @brief Creates an XML structure out of a given array
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*
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* @param array $array The array of the XML structure that will be generated
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* @param object $xml The createdXML will be returned by reference
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* @param bool $remove_header Should the XML header be removed or not?
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* @param array $namespaces List of namespaces
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* @param bool $root - interally used parameter. Mustn't be used from outside.
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*
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* @return string The created XML
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*/
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public static function from_array($array, &$xml, $remove_header = false, $namespaces = array(), $root = true) {
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if ($root) {
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foreach($array as $key => $value) {
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foreach ($namespaces AS $nskey => $nsvalue)
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$key .= " xmlns".($nskey == "" ? "":":").$nskey.'="'.$nsvalue.'"';
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$root = new SimpleXMLElement("<".$key."/>");
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self::from_array($value, $root, $remove_header, $namespaces, false);
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$dom = dom_import_simplexml($root)->ownerDocument;
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$dom->formatOutput = true;
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$xml = $dom;
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$xml_text = $dom->saveXML();
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if ($remove_header)
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$xml_text = trim(substr($xml_text, 21));
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return $xml_text;
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}
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}
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foreach($array as $key => $value) {
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if ($key == "@attributes") {
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if (!isset($element) OR !is_array($value))
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continue;
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foreach ($value as $attr_key => $attr_value) {
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$element_parts = explode(":", $attr_key);
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if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
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$namespace = $namespaces[$element_parts[0]];
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else
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$namespace = NULL;
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$element->addAttribute ($attr_key, $attr_value, $namespace);
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}
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continue;
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}
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$element_parts = explode(":", $key);
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if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
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$namespace = $namespaces[$element_parts[0]];
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else
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$namespace = NULL;
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if (!is_array($value))
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$element = $xml->addChild($key, xmlify($value), $namespace);
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elseif (is_array($value)) {
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$element = $xml->addChild($key, NULL, $namespace);
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self::from_array($value, $element, $remove_header, $namespaces, false);
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}
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}
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}
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/**
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* @brief Copies an XML object
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*
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* @param object $source The XML source
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* @param object $target The XML target
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* @param string $elementname Name of the XML element of the target
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*/
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public static function copy(&$source, &$target, $elementname) {
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if (count($source->children()) == 0)
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$target->addChild($elementname, xmlify($source));
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else {
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$child = $target->addChild($elementname);
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foreach ($source->children() AS $childfield => $childentry)
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self::copy($childentry, $child, $childfield);
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}
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}
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/**
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* @brief Create an XML element
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*
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* @param object $doc XML root
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* @param string $element XML element name
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* @param string $value XML value
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* @param array $attributes array containing the attributes
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*
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* @return object XML element object
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*/
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public static function create_element($doc, $element, $value = "", $attributes = array()) {
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$element = $doc->createElement($element, xmlify($value));
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foreach ($attributes AS $key => $value) {
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$attribute = $doc->createAttribute($key);
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$attribute->value = xmlify($value);
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$element->appendChild($attribute);
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}
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return $element;
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}
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/**
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* @brief Create an XML and append it to the parent object
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*
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* @param object $doc XML root
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* @param object $parent parent object
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* @param string $element XML element name
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* @param string $value XML value
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* @param array $attributes array containing the attributes
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*/
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public static function add_element($doc, $parent, $element, $value = "", $attributes = array()) {
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$element = self::create_element($doc, $element, $value, $attributes);
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$parent->appendChild($element);
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}
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}
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?>
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