xml转数组的类

<?php

namespace app\common;

/**

* xml转数组的类

*/

class Xmlparse{

protected $parser;

protected $document;

protected $stack;

protected $data;

protected $last_opened_tag;

protected $isnormal;

protected $attrs = array();

protected $failed = FALSE;

 

public function __construct($isnormal) {

$this->isnormal = $isnormal;

$this->parser = xml_parser_create('utf-8');

xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);

xml_set_object($this->parser, $this);

xml_set_element_handler($this->parser, 'open','close');

xml_set_character_data_handler($this->parser, 'data');

}

 

public function __destruct() {

xml_parser_free($this->parser);

}

 

public function parse(&$data) {

$this->document = array();

$this->stack = array();

return xml_parse($this->parser, $data, true) && !$this->failed ? $this->document : '';

}

 

public function open(&$parser, $tag, $attributes) {

$this->data = '';

$this->failed = FALSE;

if(!$this->isnormal) {

if(isset($attributes['id']) && !is_string($this->document[$attributes['id']])) {

$this->document = &$this->document[$attributes['id']];

} else {

$this->failed = TRUE;

}

} else {

if(!isset($this->document[$tag]) || !is_string($this->document[$tag])) {

$this->document = &$this->document[$tag];

} else {

$this->failed = TRUE;

}

}

$this->stack[] = &$this->document;

$this->last_opened_tag = $tag;

$this->attrs = $attributes;

}

 

public function data(&$parser, $data) {

if($this->last_opened_tag != NULL) {

$this->data .= $data;

}

}

 

public function close(&$parser, $tag) {

if($this->last_opened_tag == $tag) {

$this->document = $this->data;

$this->last_opened_tag = NULL;

}

array_pop($this->stack);

if($this->stack) {

$this->document = &$this->stack[count($this->stack)-1];

}

}

 

}