<?
/**
* @desc XML Parser Class (returns xml data as array)
* @author Eren Ezgü [eezgu at eezgu.com]
*
* @example
* $parser = new XmlParser($xml_input);
* $result = $parser->parse();
* @example
* $parser = new XmlParser();
* $result = $parser->parse($xml_input);
*/
class XmlParser{
var $xml_parser;
var $xml_input=null;
var $elements = array();
var $index_arr = array();
var $ref;
/**
* @desc Constructor
* @param string
*/
function XmlParser($xml=null){
$this->xml_input = $xml;
}
/**
* @desc Parsing function
* @param string
*/
function parse($xml=null){
$this->xml_input = $xml;
if($this->xml_input==null){
return false;
}
$this->xml_parser = xml_parser_create();
xml_set_object($this->xml_parser, $this);
xml_set_element_handler($this->xml_parser,"startElement","endElement");
xml_set_character_data_handler($this->xml_parser,"characterData");
if(!xml_parse($this->xml_parser, $this->xml_input)){
return false;
}
xml_parser_free($this->xml_parser);
return $this->elements;
}
function startElement($parser,$tagName,$attrs){
$this->ref=&$this->elements;
foreach($this->index_arr as $index){
$this->ref = &$this->ref[$index];
}
$this->ref[] = array('tag'=>$tagName,'attr'=>$attrs,'data'=>'','children'=>array());
$i = end(array_keys($this->ref));
array_push($this->index_arr,$i);
array_push($this->index_arr,'children');
}
function characterData($parser, $data){
$index_arr = $this->index_arr;
array_pop($index_arr);
$ref=&$this->elements;
foreach($index_arr as $index){
$ref = &$ref[$index];
}
$ref['data']=$data;
}
function endElement($parser,$tagName){
array_pop($this->index_arr);
array_pop($this->index_arr);
}
}
?>
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