php 取xml中的数据 -超级简略-

php 取xml中的数据 --超级简单---急急
数据源：http://www.caipiaokong.com/api/lottery/xml.php?type=ssq
要取它的前3行数据

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------解决方案--------------------

$url = 'http://www.caipiaokong.com/api/lottery/xml.php?type=ssq';<br />$ar = file($url);<br />print_r(array_slice($ar, 2, 3));

Array
(
    [0] =>  ------解决方案--------------------
09" opentime="2013-09-26 21:30:00" ballsnum="1" />

    [1] =>  ------解决方案--------------------
07" opentime="2013-09-24 21:30:00" ballsnum="1" />

    [2] =>  ------解决方案--------------------
13" opentime="2013-09-22 21:30:00" ballsnum="1" />

)

$url = 'http://www.caipiaokong.com/api/lottery/xml.php?type=ssq';<br />$xml = simplexml_load_file($url);<br />foreach($xml->row as $i=>$v) {<br />  if($i > 2) break;<br />  $res[] = current((array)$v->attributes());<br />  <br />}<br />print_r($res);

Array
(
    [0] => Array
        (
            [expect] => 13113
            [opencode] => 04,07,11,17,24,33
------解决方案--------------------
09
            [opentime] => 2013-09-26 21:30:00
            [ballsnum] => 1
        )

    [1] => Array
        (
            [expect] => 13112
            [opencode] => 01,06,12,13,22,31
------解决方案--------------------
07
            [opentime] => 2013-09-24 21:30:00
            [ballsnum] => 1
        )

    [2] => Array
        (
            [expect] => 13111
            [opencode] => 01,02,03,06,08,33
------解决方案--------------------
13
            [opentime] => 2013-09-22 21:30:00
            [ballsnum] => 1
        )

    [3] => Array
        (
            [expect] => 13110
            [opencode] => 15,17,18,21,29,32
------解决方案--------------------
13
            [opentime] => 2013-09-19 21:30:00
            [ballsnum] => 2
        )

    [4] => Array
        (
            [expect] => 13109
            [opencode] => 09,23,24,27,29,32
------解决方案--------------------
08
            [opentime] => 2013-09-17 21:30:00
            [ballsnum] => 3
        )

    [5] => Array
        (
            [expect] => 13108
            [opencode] => 16,21,22,28,31,32