php xml转换成数组
发布时间：2022-06-17 09:13:03 所属栏目：PHP教程 来源：互联网
导读：//调用方法: $array = xml2array(file_get_contents(feed.xml, 1, attribute)); */ function xml2array($contents, $get_attributes=1, $priority = tag) { if(!$contents) return array(); if(!function_exists(xml_parser_create)) { //print xml_parser_c
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//调用方法: $array = xml2array(file_get_contents('feed.xml', 1, 'attribute')); */ function xml2array($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"); # 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[$level-1]; }//开源代码phpfensi.com } return($xml_array); } ######################################################################################################### class parserxml { function parserxml() { } function parserxmlbyurl($url) { $fp = @fopen($url,'r'); if (!$fp){ return 1; } $xmlstr = fread($fp,1024); @fclose($fp); if ($xmlstr === false){ return 0; } return $this->getxmltree($xmlstr); } function getxmltree($xmldata) { ini_set ('track_errors', '1'); $xmlreaderror = false; $parser = xml_parser_create(); xml_parser_set_option ($parser, xml_option_skip_white, 1); xml_parser_set_option ($parser, xml_option_case_folding, 0); if (!xml_parse_into_struct ($parser, $xmldata, $vals, $index)) { $xmlreaderror = true; return 0; } xml_parser_free($parser); if(!$xmlreaderror){ $result = array (); $i = 0; if (isset($vals[$i]['attributes'])){ foreach (array_keys ($vals [$i]['attributes']) as $attkey) $attributes[$attkey] = $vals[$i]['attributes'][$attkey]; } $result[$vals [$i]['tag']] = array_merge((array)$attributes, $this->getchildren($vals, $i, 'open')); } ini_set('track_errors', '0'); return $result; } function getchildren ($vals, &$i, $type) { if ($type == 'complete') { if (isset ($vals [$i]['value'])) return ($vals [$i]['value']); else return ''; } $children = array (); while ($vals [++$i]['type'] != 'close') { $type = $vals [$i]['type']; if (isset ($children [$vals [$i]['tag']])) { if (is_array ($children [$vals [$i]['tag']])) { $temp = array_keys ($children [$vals [$i]['tag']]); if (is_string ($temp [0])) { $a = $children [$vals [$i]['tag']]; unset ($children [$vals [$i]['tag']]); $children [$vals [$i]['tag']][0] = $a; } } else { $a = $children [$vals [$i]['tag']]; unset ($children [$vals [$i]['tag']]); $children [$vals [$i]['tag']][0] = $a; } $children [$vals [$i]['tag']][] = $this->getchildren ($vals, $i, $type); } else $children [$vals [$i]['tag']] = $this->getchildren ($vals, $i, $type); if (isset ($vals [$i]['attributes'])) { $attributes = array (); foreach (array_keys ($vals [$i]['attributes']) as $attkey) $attributes [$attkey] = $vals [$i]['attributes'][$attkey]; if (isset ($children [$vals [$i]['tag']])) { if ($children [$vals [$i]['tag']] == '') { unset ($children [$vals [$i]['tag']]); $children [$vals [$i]['tag']] = $attributes; } elseif (is_array ($children [$vals [$i]['tag']])) { $index = count ($children [$vals [$i]['tag']]) - 1; if ($children [$vals [$i]['tag']][$index] == '') { unset ($children [$vals [$i]['tag']][$index]); $children [$vals [$i]['tag']][$index] = $attributes; } $children [$vals [$i]['tag']][$index] = array_merge ($children [$vals [$i]['tag']][$index], $attributes); } else { $value = $children [$vals [$i]['tag']]; unset ($children [$vals [$i]['tag']]); $children [$vals [$i]['tag']]['value'] = $value; $children [$vals [$i]['tag']] = array_merge ($children [$vals [$i]['tag']], $attributes); } } else $children [$vals [$i]['tag']] = $attributes; } } return $children; ?> （编辑：阜新站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
