XML格式转换成数组 用递归操作很简单，大家可以下载附件测试// Xml 转 数组, 包括根键，忽略空元素和属性，尚有重大错误<br>
public function xml_to_array( $xml )<br>
{<br>
$reg = "/]*?>([\\x00-\\xFF]*?)/";<br>
if(preg_match_all($reg, $xml, $matches))<br>
{<br>
$count = count($matches[0]);<br>
$arr = array();<br>
for($i = 0; $i
{<br>
$key = $matches[1][$i];<br>
$val = $this->xml_to_array( $matches[2][$i] ); // 递归<br>
if(array_key_exists($key, $arr))<br>
{<br>
if(is_array($arr[$key]))<br>
{<br>
if(!array_key_exists(0,$arr[$key])) <br>
{<br>
$arr[$key] = array($arr[$key]);<br>
}<br>
}else{<br>
$arr[$key] = array($arr[$key]);<br>
}<br>
$arr[$key][] = $val;<br>
}else{<br>
$arr[$key] = $val;<br>
}<br>
}<br>
return $arr;<br>
}else{<br>
return $xml;<br>
}<br>
}<br>
<br>
<br>
// Xml 转 数组, 不包括根键<br>
public function xmltoarray( $xml )<br>
{<br>
<br>
$arr = $this->xml_to_array($xml);<br>
$key = array_keys($arr);<br>
return $arr[$key[0]];<br>
}第二种方法，预防递归溢出class XML<br>
{<br>
<br>
public $parser = NULL;<br>
public $document = NULL;<br>
public $parent = NULL;<br>
public $stack = NULL;<br>
public $last_opened_tag = NULL;<br>
<br>
public function XML( )<br>
{<br>
$this->parser = xml_parser_create( );<br>
xml_parser_set_option( $this->parser, XML_OPTION_CASE_FOLDING, false );<br>
xml_set_object( $this->parser, $this );<br>
xml_set_element_handler( $this->parser, "open", "close" );<br>
xml_set_character_data_handler( $this->parser, "data" );<br>
}<br>
<br>
public function destruct( )<br>
{<br>
xml_parser_free( $this->parser );<br>
}<br>
<br>
public function &parse( &$data )<br>
{<br>
$this->document = array( );<br>
$this->stack = array( );<br>
$this->parent =& $this->document;<br>
$parsedata = xml_parse( $this->parser, $data, true ) ? $this->document : NULL;<br>
return $parsedata;<br>
}<br>
<br>
public function open( &$parser, $tag, $attributes )<br>
{<br>
$this->data = "";<br>
$this->last_opened_tag = $tag;<br>
if ( is_array( $this->parent ) && array_key_exists( $tag, $this->parent ) )<br>
{<br>
if ( is_array( $this->parent[$tag] ) && array_key_exists( 0, $this->parent[$tag] ) )<br>
{<br>
$key = count_numeric_items( $this->parent[$tag] );<br>
}<br>
else<br>
{<br>
if ( array_key_exists( "{$tag} attr", $this->parent ) )<br>
{<br>
$arr = array(<br>
"0 attr" => $this->parent["{$tag} attr"],<br>
$this->parent[$tag]<br>
);<br>
unset( $this->parent["{$tag} attr"] );<br>
}<br>
else<br>
{<br>
$arr = array(<br>
$this->parent[$tag]<br>
);<br>
}<br>
$this->parent[$tag] =& $arr;<br>
$key = 1;<br>
}<br>
$this->parent =& $this->parent[$tag];<br>
}<br>
else<br>
{<br>
$key = $tag;<br>
}<br>
if ( $attributes )<br>
{<br>
$this->parent["{$key} attr"] = $attributes;<br>
}<br>
$this->parent =& $this->parent[$key];<br>
$this->stack[] =& $this->parent;<br>
}<br>
<br>
public function data( &$parser, $data )<br>
{<br>
if ( $this->last_opened_tag != NULL )<br>
{<br>
$this->data .= $data;<br>
}<br>
}<br>
<br>
public function close( &$parser, $tag )<br>
{<br>
if ( $this->last_opened_tag == $tag )<br>
{<br>
$this->parent = $this->data;<br>
$this->last_opened_tag = NULL;<br>
}<br>
array_pop( $this->stack );<br>
if ( $this->stack )<br>
{<br>
$this->parent =& $this->stack[count( $this->stack ) - 1];<br>
}<br>
}<br>
<br>
}<br>
<br>
function &XML_unserialize( &$xml )<br>
{<br>
$xml_parser = new XML( );<br>
$data =& $xml_parser->parse( $xml );<br>
$xml_parser->destruct( );<br>
return $data;<br>
}<br>
<br>
function &XML_serialize( &$data, $level = 0, $prior_key = NULL )<br>
{<br>
if ( $level == 0 )<br>
{<br>
ob_start( );<br>
echo "<?xml version=\"1.0\" ?>";<br>
echo "\n";<br>
}<br>
while ( list( $key, $value ) = each( $data ) )<br>
{<br>
if ( !strpos( $key, " attr" ) )<br>
{<br>
if ( is_array( $value ) && array_key_exists( 0, $value ) )<br>
{<br>
xml_serialize( $value, $level, $key );<br>
}<br>
else<br>
{<br>
$tag = $prior_key ? $prior_key : $key;<br>
echo str_repeat( "\t", $level );<br>
echo "
echo $tag;<br>
if ( array_key_exists( "{$key} attr", $data ) )<br>
{<br>
while ( list( $attr_name, $attr_value ) = each( $data["{$key} attr"] ) )<br>
{<br>
echo " ";<br>
echo $attr_name;<br>
echo "=\"";<br>
echo htmlspecialchars( $attr_value );<br>
echo "\"";<br>
}<br>
reset( $data["{$key} attr"] );<br>
}<br>
if ( is_null( $value ) )<br>
{<br>
echo " />\n";<br>
}<br>
else if ( !is_array( $value ) )<br>
{<br>
echo ">";<br>
echo htmlspecialchars( $value );<br>
echo "{$tag}>\n";<br>
}<br>
else<br>
{<br>
echo ">\n";<br>
echo xml_serialize( $value, $level + 1 );<br>
echo str_repeat( "\t", $level );<br>
echo "{$tag}>\n";<br>
}<br>
}<br>
}<br>
}<br>
reset( $data );<br>
if ( $level == 0 )<br>
{<br>
$str =& ob_get_contents( );<br>
ob_end_clean( );<br>
return $str;<br>
}<br>
}<br>
<br>
function count_numeric_items( &$array )<br>
{<br>
return is_array( $array ) ? count( array_filter( array_keys( $array ), "is_numeric" ) ) : 0;<br>
}
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