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php之XML转数组函数的详解

来源: 易采站长站
如下所示:
代码如下:
<?
/**
* xml2array() will convert the given XML text to an array in the XML structure.
* Link: http://www.bin-co.com/php/scripts/xml2array/
* 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"); # 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).
Tags:
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