/**
*
* 将简单数组转化为简单的xml
* @param string $data 要进行转化的数组
* @param string $tag 要使用的标签
* @example
* $arr = array(
'rtxAccount'=>'aaron','ipAddr'=>'192.168.0.12',
'conferenceList'=>array('conference'=>
array(
array('conferenceId'=>1212,'conferenceTitle'=>'quanshi 444','smeAccount'=>'//www.jb51.cc'),
array('conferenceId'=>454,'conferenceTitle'=>'quanshi meetting',
array('conferenceId'=>6767,
array('conferenceId'=>232323,'conferenceTitle'=>'quanshi uuu',
array('conferenceId'=>8989,
array('conferenceId'=>1234343212,'smeAccount'=>'//www.jb51.cc')
)
)
);
转化为：
aaron
192.168.0.12


1212
quanshi 444
//www.jb51.cc


454
quanshi meetting
//www.jb51.cc


6767
quanshi meetting
//www.jb51.cc


232323
quanshi uuu
//www.jb51.cc


8989
quanshi meetting
//www.jb51.cc


1234343212
quanshi meetting
//www.jb51.cc


*/
function array2xml($data,$tag = '')
{
$xml = ''; foreach($data as $key => $value)
{
if(is_numeric($key))
{
if(is_array($value))
{
$xml .= "<$tag>";
$xml .= array2xml($value);
$xml .="";
}
else
{
$xml .= "<$tag>$value";
}
}
else
{
if(is_array($value))
{
$keys = array_keys($value);
if(is_numeric($keys[0]))
{
$xml .=array2xml($value,$key);
}
else
{
$xml .= "<$key>";
$xml .=array2xml($value);
$xml .= "";
} }
else
{
$xml .= "<$key>$value";
}
}
}
return $xml;
}
}

/**
*
* 将简单的xml转化成关联数组
* @param string $xmlString xml字符串
* @example
*

IT交流会
2011-12-19 12:00:00
andy1111111
192.168.1.56
120
1


被邀请人1的RTX账号
被邀请人1电话号码


被邀请人2的RTX账号
被邀请人2电话号码



转化之后的关联数组：
Array
(
[conferenceTitle] => IT交流会
[startTime] => 2011-12-19 12:00:00
[rtxAccount] => andy1111111
[ipAddr] => 192.168.1.56
[duration] => 120
[conferenceType] => 1
[invitees] => Array
(
[invitee] => Array
(
[0] => Array
(
[rtxAccount] => 被邀请人1的RTX账号
[tel] => 被邀请人1电话号码
)
[1] => Array
(
[rtxAccount] => 被邀请人2的RTX账号
[tel] => 被邀请人2电话号码
)
)
)
)
*/
function xml2array($xmlString = '')
{
$targetArray = array();
$xmlObject = simplexml_load_string($xmlString);
$mixArray = (array)$xmlObject;
foreach($mixArray as $key => $value)
{
if(is_string($value))
{
$targetArray[$key] = $value;
}
if(is_object($value))
{
$targetArray[$key] = xml2array($value->asXML());
}
if(is_array($value))
{
foreach($value as $zkey => $zvalue)
{
if(is_numeric($zkey))
{
$targetArray[$key][] = xml2array($zvalue->asXML());
}
if(is_string($zkey))
{
$targetArray[$key][$zkey] = xml2array($zvalue->asXML());
}
}
}
}
return $targetArray;}