include/xml.php

   1 <?php
   2 /**
   3  * @brief This class contain functions to work with XML data
   4  *
   5  */
   6 class xml {
   7         /**
   8          * @brief Creates an XML structure out of a given array
   9          *
  10          * @param array $array The array of the XML structure that will be generated
  11          * @param object $xml The createdXML will be returned by reference
  12          * @param bool $remove_header Should the XML header be removed or not?
  13          * @param array $namespaces List of namespaces
  14          *
  15          * @return string The created XML
  16          */
  17         function from_array($array, &$xml, $remove_header = false, $namespaces = array(), $root = true) {
  18
  19                 if ($root) {
  20                         foreach($array as $key => $value) {
  21                                 foreach ($namespaces AS $nskey => $nsvalue)
  22                                         $key .= " xmlns".($nskey == "" ? "":":").$nskey.'="'.$nsvalue.'"';
  23
  24                                 $root = new SimpleXMLElement("<".$key."/>");
  25                                 self::from_array($value, $root, $remove_header, $namespaces, false);
  26
  27                                 $dom = dom_import_simplexml($root)->ownerDocument;
  28                                 $dom->formatOutput = true;
  29                                 $xml = $dom;
  30
  31                                 $xml_text = $dom->saveXML();
  32
  33                                 if ($remove_header)
  34                                         $xml_text = trim(substr($xml_text, 21));
  35
  36                                 return $xml_text;
  37                         }
  38                 }
  39
  40                 foreach($array as $key => $value) {
  41                         if ($key == "@attributes") {
  42                                 if (!isset($element) OR !is_array($value))
  43                                         continue;
  44
  45                                 foreach ($value as $attr_key => $attr_value) {
  46                                         $element_parts = explode(":", $attr_key);
  47                                         if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
  48                                                 $namespace = $namespaces[$element_parts[0]];
  49                                         else
  50                                                 $namespace = NULL;
  51
  52                                         $element->addAttribute ($attr_key, $attr_value, $namespace);
  53                                 }
  54
  55                                 continue;
  56                         }
  57
  58                         $element_parts = explode(":", $key);
  59                         if ((count($element_parts) > 1) AND isset($namespaces[$element_parts[0]]))
  60                                 $namespace = $namespaces[$element_parts[0]];
  61                         else
  62                                 $namespace = NULL;
  63
  64                         if (!is_array($value))
  65                                 $element = $xml->addChild($key, xmlify($value), $namespace);
  66                         elseif (is_array($value)) {
  67                                 $element = $xml->addChild($key, NULL, $namespace);
  68                                 self::from_array($value, $element, $remove_header, $namespaces, false);
  69                         }
  70                 }
  71         }
  72
  73         /**
  74          * @brief Copies an XML object
  75          *
  76          * @param object $source The XML source
  77          * @param object $target The XML target
  78          * @param string $elementname Name of the XML element of the target
  79          */
  80         function copy(&$source, &$target, $elementname) {
  81                 if (count($source->children()) == 0)
  82                         $target->addChild($elementname, xmlify($source));
  83                 else {
  84                         $child = $target->addChild($elementname);
  85                         foreach ($source->children() AS $childfield => $childentry)
  86                                 self::copy($childentry, $child, $childfield);
  87                 }
  88         }
  89 }
  90 ?>