File indexing completed on 2024-05-12 17:26:17

 <?php
 
 /*
  *   GFX 4
  * 
  *   support: happy.snizzo@gmail.com
  *   website: http://trt-gfx.googlecode.com
  *   credits: Claudio Desideri
  *   
  *   This software is released under the MIT License.
  *   http://opensource.org/licenses/mit-license.php
  */ 
 
 /**
  * to_array() will convert the given XML text to an array in the XML structure
  */
 
 class EXmlParser{
   
   public static function to_array($contents, $force_multiple=array()) {
     if(!$contents) return array();
 
     if(!function_exists('xml_parser_create')) {
       //print "'xml_parser_create()' function not found!";
       return array();
     }
 
     //Get the XML parser of PHP - PHP must have this module for the parser to work
     $parser = xml_parser_create('');
     xml_parser_set_option($parser, XML_OPTION_TARGET_ENCODING, "UTF-8");
     xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
     xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
     xml_parse_into_struct($parser, trim($contents), $xml_values);
     xml_parser_free($parser);
     
     if(!$xml_values) return;
     
     $data = EXmlParser::parse_array(array(),$xml_values,$force_multiple);
     
     return $data;
   }
   
   /**
   * Convert an xml tree to an associative array, supporting also duplicate keys
   *
   * @input  $data   give always an empty array
   * @input  &$tags    declarative array generated from xml_parse_into_struct()
   * @returns  $data   associative array
   */
   public static function parse_array($data,&$tags,$force_multiple=array()){
     do{
       if(is_array($tags)){
         $entry = array_shift($tags);
       } else {
         return array();
       }
     
       if(isset($entry["tag"])){ $tag = $entry["tag"]; }
       if(isset($entry["type"])){ $type = $entry["type"]; }
       if(isset($entry["value"])){  $value = $entry["value"]; } else { $value = ''; }
     
       //just add value
       if($type=='complete') {
         $data[$tag] = $value;
       }
     
       //open new tag
       if($type=='open'){
         if(isset($data[$tag])){
           //if array is associative, it means it's not a collection of nodes with the same name
           if(EXmlParser::is_assoc($data[$tag])){
             $prev = $data[$tag];
             $new = EXmlParser::parse_array(array(),$tags,$force_multiple);
             $data[$tag] = array();
             $data[$tag][] = $prev;
             $data[$tag][] = $new;
           } else { //it's already a collection
             $new = EXmlParser::parse_array(array(),$tags,$force_multiple);
             $data[$tag][] = $new;
           }
           
         } else {
           if (is_array($force_multiple) and in_array($tag, $force_multiple)) {
             $data[$tag] = array();
             $data[$tag][] = EXmlParser::parse_array($data[$tag],$tags,$force_multiple);
           } else {
             $data[$tag] = array();
             $data[$tag] = EXmlParser::parse_array($data[$tag],$tags,$force_multiple);
           }
         }
       }
     
       //close tags
       if($type=='close') {
         return $data;
       }
     
     }while(count($tags)>0);
   
     return $data;
   }
   
   /*
   * Check if the given array is associative (key => value) or declarative (value, value, value)
   */
   public static function is_assoc($array) {
     return (bool)count(array_filter(array_keys($array), 'is_string'));
   }
   
 }