<?php
/*
* to change this template, choose tools | templates
* and open the template in the editor.
*/
class xmltoarray {
function __construct() {
}
function xml2array($contents, $get_attributes=1, $priority = 'tag') {
if (!$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"); # http://minutillo.com/steve/weblog/2004/6/17/php-xml-and-character-encodings-a-tale-of-sadness-rage-and-data-loss
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; //hmm...
//initializations
$xml_array = array();
$parents = array();
$opened_tags = array();
$arr = array();
$current = &$xml_array; //refference
//go through the tags.
$repeated_tag_index = array(); //multiple tags with same name will be turned into an array
foreach ($xml_values as $data) {
unset($attributes, $value); //remove existing values, or there will be trouble
//this command will extract these variables into the foreach scope
// tag(string), type(string), level(int), attributes(array).
extract($data); //we could use the array by itself, but this cooler.
$result = array();
$attributes_data = array();
if (isset($value)) {
if ($priority == 'tag')
$result = $value;
else
$result['value'] = $value; //put the value in a assoc array if we are in the 'attribute' mode
}
//set the attributes too.
if (isset($attributes) and $get_attributes) {
foreach ($attributes as $attr => $val) {
if ($priority == 'tag')
$attributes_data[$attr] = $val;
else
$result['attr'][$attr] = $val; //set all the attributes in a array called 'attr'
}
}
//see tag status and do the needed.
if ($type == "open") {//the starting of the tag '<tag>'
$parent[$level - 1] = &$current;
if (!is_array($current) or (!in_array($tag, array_keys($current)))) { //insert new tag
$current[$tag] = $result;
if ($attributes_data)
$current[$tag . '_attr'] = $attributes_data;
$repeated_tag_index[$tag . '_' . $level] = 1;
$current = &$current[$tag];
} else { //there was another element with the same tag name
if (isset($current[$tag][0])) {//if there is a 0th element it is already an array
$current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
$repeated_tag_index[$tag . '_' . $level]++;
} else {//this section will make the value an array if multiple tags with the same name appear together
$current[$tag] = array($current[$tag], $result); //this will combine the existing item and the new item together to make an array
$repeated_tag_index[$tag . '_' . $level] = 2;
if (isset($current[$tag . '_attr'])) { //the attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag . '_attr'];
unset($current[$tag . '_attr']);
}
}
$last_item_index = $repeated_tag_index[$tag . '_' . $level] - 1;
$current = &$current[$tag][$last_item_index];
}
} elseif ($type == "complete") { //tags that ends in 1 line '<tag />'
//see if the key is already taken.
if (!isset($current[$tag])) { //new key
$current[$tag] = $result;
$repeated_tag_index[$tag . '_' . $level] = 1;
if ($priority == 'tag' and $attributes_data)
$current[$tag . '_attr'] = $attributes_data;
} else { //if taken, put all things inside a list(array)
if (isset($current[$tag][0]) and is_array($current[$tag])) {//if it is already an array...
// ...push the new element into that array.
$current[$tag][$repeated_tag_index[$tag . '_' . $level]] = $result;
if ($priority == 'tag' and $get_attributes and $attributes_data) {
$current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
}
$repeated_tag_index[$tag . '_' . $level]++;
} else { //if it is not an array...
$current[$tag] = array($current[$tag], $result); //...make it an array using using the existing value and the new value
$repeated_tag_index[$tag . '_' . $level] = 1;
if ($priority == 'tag' and $get_attributes) {
if (isset($current[$tag . '_attr'])) { //the attribute of the last(0th) tag must be moved as well
$current[$tag]['0_attr'] = $current[$tag . '_attr'];
unset($current[$tag . '_attr']);
}
if ($attributes_data) {
$current[$tag][$repeated_tag_index[$tag . '_' . $level] . '_attr'] = $attributes_data;
}
}
$repeated_tag_index[$tag . '_' . $level]++; //0 and 1 index is already taken
}
}
} elseif ($type == 'close') { //end of tag '</tag>'
$current = &$parent[$level - 1];
}
}
return $xml_array;
}
}
?>
<?php
/**
*用递归法将返回的多维数组存进一维数组
*/
function datatosession($array) {
foreach ($array as $key => $value) {
if (is_array($value) && $value != null) {
$this->datatosession($value);
} else {
if (is_string($value)) {
$_session["$key"] = $value;
}
}
}
}
?>
