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This class can be used to parse XML documents.
The parser results are stored in an associative array with the whole document structure.
Each array entry may contain nested arrays that describe the contents of the document tag structure.
The resultant array contains the exact hierarchy as of the given XML data.
class.xmltoarray.php
|
<?
/**
* XMLToArray Generator Class
* @author : MA Razzaque Rupom <rupom_315@yahoo.com>, <rupom.bd@gmail.com>
* Moderator, phpResource (LINK1http://groups.yahoo.com/group/phpresource/LINK1)
* URL: LINK2http://www.rupom.infoLINK2
* @version : 1.0
* @date 06/05/2006
* Purpose : Creating Hierarchical Array from XML Data
* Released : Under GPL
*/
class XmlToArray
{
var $xml='';
/**
* Default Constructor
* @param $xml = xml data
* @return none
*/
function XmlToArray($xml)
{
$this->xml = $xml;
}
/**
* _struct_to_array($values, &$i)
*
* This is adds the contents of the return xml into the array for easier processing.
* Recursive, Static
*
* @access private
* @param array $values this is the xml data in an array
* @param int $i this is the current location in the array
* @return Array
*/
function _struct_to_array($values, &$i)
{
$child = array();
if (isset($values[$i]['value'])) array_push($child, $values[$i]['value']);
while ($i++ < count($values)) {
switch ($values[$i]['type']) {
case 'cdata':
array_push($child, $values[$i]['value']);
break;
case 'complete':
$name = $values[$i]['tag'];
if(!empty($name)){
$child[$name]= ($values[$i]['value'])?($values[$i]['value']):'';
if(isset($values[$i]['attributes'])) {
$child[$name] = $values[$i]['attributes'];
}
}
break;
case 'open':
$name = $values[$i]['tag'];
$size = isset($child[$name]) ? sizeof($child[$name]) : 0;
$child[$name][$size] = $this->_struct_to_array($values, $i);
break;
case 'close':
return $child;
break;
}
}
return $child;
}//_struct_to_array
/**
* createArray($data)
*
* This is adds the contents of the return xml into the array for easier processing.
*
* @access public
* @param string $data this is the string of the xml data
* @return Array
*/
function createArray()
{
$xml = $this->xml;
$values = array();
$index = array();
$array = array();
$parser = xml_parser_create();
xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
xml_parse_into_struct($parser, $xml, $values, $index);
xml_parser_free($parser);
$i = 0;
$name = $values[$i]['tag'];
$array[$name] = isset($values[$i]['attributes']) ? $values[$i]['attributes'] : '';
$array[$name] = $this->_struct_to_array($values, $i);
return $array;
}//createArray
}//XmlToArray
?> | |
Usage Example
| <?php
/**
* XMLToArray Generator Class
* @author : MA Razzaque Rupom <rupom_315@yahoo.com>, <rupom.bd@gmail.com>
* Moderator, phpResource (http://groups.yahoo.com/group/phpresource/)
* URL: http://www.rupom.info
* @version : 1.0
* @date 06/05/2006
* Purpose : Creating Hierarchical Array from XML Data
* Released : Under GPL
*/
require_once "class.xmltoarray.php";
//XML Data
$xml_data = "
<result>
<studentname>
MA Razzaque
</studentname>
<institute>
RUET
</institute>
<dept>
CSE
</dept>
<roll>
99315
</roll>
<class>
First
</class>
</result>";
//Creating Instance of the Class
$xmlObj = new XmlToArray($xml_data);
//Creating Array
$arrayData = $xmlObj->createArray();
//Displaying the Array
echo "<pre>";
print_r($arrayData);
echo "</pre>";
?> | |
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