Code<?PHP
/*************************************************************************/
/* This class stores associative arrays in an xml formated string. */
/* There's also a function thar retrieves them. If you try to use */
/* xml2array with a general xml, it can fail, since there can be some */
/* repeated indexes
. *//*************************************************************************/
/*************************************************************************/
/* Use:
/*
<?PHP
include('assoc_array2xml.php');
$example_array=array('one'=>'23','two'=>array('subone'=>'22',subtwo=>'233'),'three'=>'2');
$converter= new assoc_array2xml;
$string=$converter->array2xml($example_array);
echo "******\n$string\n********\n";
$array=$converter->xml2array($string);
print_r($array);
?>
*/
class Eezhong_Arraytoxml {
var $text;
var $arrays, $keys, $node_flag, $depth, $xml_parser;
/*Converts an array to an xml string*/
function array2xml($array) {
//global $text;
$this->text="<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><array>";
$this->text.= $this->array_transform($array);
$this->text .="</array>";
return $this->text;
}
function array_transform($array){
//global $array_text;
foreach($array as $key => $value){
if(!is_array($value)){
$this->text .= "<$key>$value</$key>";
} else {
$this->text.="<$key>";
$this->array_transform($value);
$this->text.="</$key>";
}
}
return $array_text;
}
/*Transform an XML string to associative array "XML Parser Functions"*/
function xml2array($xml){
$this->depth=-1;
$this->xml_parser = xml_parser_create();
xml_set_object($this->xml_parser, $this);
xml_parser_set_option ($this->xml_parser,XML_OPTION_CASE_FOLDING,0);//Don't put tags uppercase
xml_set_element_handler($this->xml_parser, "startElement", "endElement");
xml_set_character_data_handler($this->xml_parser,"characterData");
xml_parse($this->xml_parser,$xml,true);
xml_parser_free($this->xml_parser);
return $this->arrays[0];
}
function startElement($parser, $name, $attrs)
{
$this->keys[]=$name; //We add a key
$this->node_flag=1;
$this->depth++;
}
function characterData($parser,$data)
{
$key=end($this->keys);
$this->arrays[$this->depth][$key]=$data;
$this->node_flag=0; //So that we don't add as an array, but as an element
}
function endElement($parser, $name)
{
$key=array_pop($this->keys);
//If $node_flag==1 we add as an array, if not, as an element
if($this->node_flag==1){
$this->arrays[$this->depth][$key]=$this->arrays[$this->depth+1];
unset($this->arrays[$this->depth+1]);
}
$this->node_flag=1;
$this->depth--;
}
}//End of the class
?>