/*** xml2array() will convert the given xml text to an array in the xml structure.* arguments : $contents - the xml text* $get_attributes - 1 or 0. if this is 1 the function will get the attributes as well as the tag values - this results in a different array structure in the return value.* $priority - can be 'tag' or 'attribute'. this will change the way the resulting array sturcture. for 'tag', the tags are given more importance.* return: the parsed xml in an array form. use print_r() to see the resulting array structure.* examples: $array = xml2array(file_get_contents('feed.xml'));* $array = xml2array(file_get_contents('feed.xml', 1, 'attribute'));*/function xml2array($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); 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(!$xml_values) return;//hmm...//initializations bbs.it-home.org$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 arrayforeach($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 ''$parent[$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[$tag];} else { //there was another element with the same tag nameif(isset($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 ''//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($type == 'close') { //end of tag ''$current = &$parent[$level-1];}}return($xml_array);
}?>
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