includes/functions-xml.php

   1 <?php\r
   2 /*************************************************************************/\r
   3 /* This class stores associative arrays in an xml formated string.       */\r
   4 /* There's also a function thar retrieves them. If you try to use        */ \r
   5 /* xml2array with a general xml, it can fail, since there can be some    */\r
   6 /* repeated indexes....                                                  */\r
   7 /* Source: http://www.phpclasses.org/browse/package/2286/                */\r
   8 /*************************************************************************/\r
   9 \r
  10 class yourls_array2xml {\r
  11         var $text;\r
  12         var $arrays, $keys, $node_flag, $depth, $xml_parser;\r
  13         /*Converts an array to an xml string*/\r
  14         function array2xml($array) {\r
  15         //global $text;\r
  16         $this->text="<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><result>";\r
  17         $this->text.= $this->array_transform($array);\r
  18         $this->text .="</result>";\r
  19         return $this->text;\r
  20         }\r
  21 \r
  22         function array_transform($array){\r
  23         //global $array_text;\r
  24         foreach($array as $key => $value){\r
  25         if(!is_array($value)){\r
  26                //BEGIN code mod by Doug Vanderweide, 13 Jan 2011\r
  27                //does $value contain html entities?\r
  28                if(strlen($value) != strlen(htmlentities($value))) {\r
  29                        //if so, encode as CDATA\r
  30                        $value = "<![CDATA[" . htmlentities($value) . "]]>";\r
  31                }\r
  32                $this->text .= "<$key>$value</$key>";\r
  33                //END code mod\r
  34          } else {\r
  35          $this->text.="<$key>";\r
  36          $this->array_transform($value);\r
  37          $this->text.="</$key>";\r
  38          }\r
  39         }\r
  40         //return $array_text;\r
  41 \r
  42         }\r
  43         /*Transform an XML string to associative array "XML Parser Functions"*/\r
  44         function xml2array($xml){\r
  45         $this->depth=-1;\r
  46         $this->xml_parser = xml_parser_create();\r
  47         xml_set_object($this->xml_parser, $this);\r
  48         xml_parser_set_option ($this->xml_parser,XML_OPTION_CASE_FOLDING,0);//Don't put tags uppercase\r
  49         xml_set_element_handler($this->xml_parser, "startElement", "endElement");\r
  50         xml_set_character_data_handler($this->xml_parser,"characterData");\r
  51         xml_parse($this->xml_parser,$xml,true);\r
  52         xml_parser_free($this->xml_parser);\r
  53         return $this->arrays[0];\r
  54 \r
  55         }\r
  56         function startElement($parser, $name, $attrs)\r
  57          {\r
  58            $this->keys[]=$name; //We add a key\r
  59            $this->node_flag=1;\r
  60            $this->depth++;\r
  61          }\r
  62         function characterData($parser,$data)\r
  63          {\r
  64            $key=end($this->keys);\r
  65            $this->arrays[$this->depth][$key]=$data;\r
  66            $this->node_flag=0; //So that we don't add as an array, but as an element\r
  67          }\r
  68         function endElement($parser, $name)\r
  69          {\r
  70            $key=array_pop($this->keys);\r
  71            //If $node_flag==1 we add as an array, if not, as an element\r
  72            if($this->node_flag==1){\r
  73              $this->arrays[$this->depth][$key]=$this->arrays[$this->depth+1];\r
  74              unset($this->arrays[$this->depth+1]);\r
  75            }\r
  76            $this->node_flag=1;\r
  77            $this->depth--;\r
  78          }\r
  79 \r
  80 }//End of the class\r
  81 \r