php中simplexml_load_string使用_PHP教程

$string =  
hello 
world 
 
EOF;

$data = simplexml_load_string($string);

print_r($data); 
print_r($data->foo); 
?>

SimpleXMLElement Object 
( 
[foo] => Array 
( 
[0] => SimpleXMLElement Object 
( 
[bar] => hello 
) 
[1] => SimpleXMLElement Object 
( 
[bar] => world 
) 
) 
) 
SimpleXMLElement Object 
( 
[bar] => hello 
)

foreach ($data->foo as $v) print_r($v); 
foreach ($data->children() as $v) print_r($v);

SimpleXMLElement Object
(
    [@attributes] => Array
        (
            [num] => 219
            [id] => 219
            [name] => 219
        )

    [key] => 你好www.111cn.Net
    [pos] => SimpleXMLElement Object
        (
        )

    [acceptation] => Array；Array；Array；
    [sent] => Array
        (
            [0] => SimpleXMLElement Object
                (
                    [orig] => Haven't seen you for a long time. How are you?
                    [trans] => 多日不见了，你好吗？
                )

            [1] => SimpleXMLElement Object
                (
                    [orig] => Hello! How are you?
                    [trans] => 嘿，你好？
                )

            [2] => SimpleXMLElement Object
                (
                    [orig] => Hello, Brooks!How are you?
                    [trans] => 喂，布鲁克斯！你好吗？
                )

            [3] => SimpleXMLElement Object
                (
                    [orig] => Hi, Barbara, how are you?
                    [trans] => 嘿，芭芭拉，你好吗？
                )

            [4] => SimpleXMLElement Object
                (
                    [orig] => How are you? -Quite well, thank you.
                    [trans] => 你好吗？-很好，谢谢你。
                )

        )

)

$data =

 你好
 
 Array；Array；Array；
 
  Haven't seen you for a long time. How are you?
  多日不见了，你好吗？
 
 
  Hello! How are you?
  嘿，你好？
 
 
  Hello, Brooks!How are you?
  喂，布鲁克斯！你好吗？
 
 
  Hi, Barbara, how are you?
  嘿，芭芭拉，你好吗？
 
 
  How are you? -Quite well, thank you.
  你好吗？-很好，谢谢你。
 

XML;
$xmldata = simplexml_load_string($data);
header("Content-Type: text/html; charset=UTF-8");
print_r($xmldata);
echo "
".trim($xmldata->sent[0]->orig); //Haven't seen you for a long time. How are you?
echo "
".trim($xmldata->key); //你好
?>