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
[解决办法]

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

Array
(
    [0] => <row expect="13113" opencode="04,07,11,17,24,33
[解决办法]
09" opentime="2013-09-26 21:30:00" ballsnum="1" />

    [1] => <row expect="13112" opencode="01,06,12,13,22,31
[解决办法]
07" opentime="2013-09-24 21:30:00" ballsnum="1" />

    [2] => <row expect="13111" opencode="01,02,03,06,08,33
[解决办法]
13" opentime="2013-09-22 21:30:00" ballsnum="1" />

)

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

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

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

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

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

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

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

[解决办法]
05
            [opentime] => 2013-09-15 21:30:00
            [ballsnum] => 2
        )

    [6] => Array
        (
            [expect] => 13107
            [opencode] => 07,09,11,17,28,31
[解决办法]
11
            [opentime] => 2013-09-12 21:30:00
            [ballsnum] => 3
        )

    [7] => Array
        (
            [expect] => 13106
            [opencode] => 09,11,23,30,31,32
[解决办法]
06
            [opentime] => 2013-09-10 21:30:00
            [ballsnum] => 3
        )

    [8] => Array
        (
            [expect] => 13105
            [opencode] => 01,11,23,27,31,32
[解决办法]
09
            [opentime] => 2013-09-08 21:30:00
            [ballsnum] => 4
        )

    [9] => Array
        (
            [expect] => 13104
            [opencode] => 01,02,04,15,17,28
[解决办法]
11
            [opentime] => 2013-09-05 21:30:00
            [ballsnum] => 1
        )

    [10] => Array
        (
            [expect] => 13103
            [opencode] => 02,04,09,13,18,20
[解决办法]
07
            [opentime] => 2013-09-03 21:30:00
            [ballsnum] => 3
        )

    [11] => Array
        (
            [expect] => 13102
            [opencode] => 02,04,05,06,08,16
[解决办法]
03
            [opentime] => 2013-09-01 21:30:00
            [ballsnum] => 2
        )

    [12] => Array
        (
            [expect] => 13101
            [opencode] => 05,07,09,23,27,32
[解决办法]
01
            [opentime] => 2013-08-29 21:30:00
            [ballsnum] => 3
        )

    [13] => Array
        (
            [expect] => 13100
            [opencode] => 04,08,11,14,16,20
[解决办法]
11
            [opentime] => 2013-08-27 21:30:00

            [ballsnum] => 3
        )

    [14] => Array
        (
            [expect] => 13099
            [opencode] => 05,11,20,21,26,31
[解决办法]
03
            [opentime] => 2013-08-25 21:30:00
            [ballsnum] => 1
        )

    [15] => Array
        (
            [expect] => 13098
            [opencode] => 07,15,18,19,20,26
[解决办法]
14
            [opentime] => 2013-08-22 21:30:00
            [ballsnum] => 2
        )

    [16] => Array
        (
            [expect] => 13097
            [opencode] => 05,14,17,22,23,25
[解决办法]
07
            [opentime] => 2013-08-20 21:30:00
            [ballsnum] => 2
        )

    [17] => Array
        (
            [expect] => 13096
            [opencode] => 01,02,22,28,29,30
[解决办法]
15
            [opentime] => 2013-08-18 21:30:00
            [ballsnum] => 4
        )

    [18] => Array
        (
            [expect] => 13095
            [opencode] => 01,06,15,19,28,29
[解决办法]
10
            [opentime] => 2013-08-15 21:30:00
            [ballsnum] => 1
        )

    [19] => Array
        (
            [expect] => 13094
            [opencode] => 02,04,14,18,20,22
[解决办法]
07
            [opentime] => 2013-08-13 21:30:00
            [ballsnum] => 3
        )

    [20] => Array
        (
            [expect] => 13093
            [opencode] => 01,02,08,26,29,31
[解决办法]
14
            [opentime] => 2013-08-11 21:30:00
            [ballsnum] => 4
        )

    [21] => Array
        (
            [expect] => 13092
            [opencode] => 07,11,15,21,26,31
[解决办法]
06
            [opentime] => 2013-08-08 21:30:00
            [ballsnum] => 2
        )

    [22] => Array
        (
            [expect] => 13091
            [opencode] => 04,14,24,25,28,31
[解决办法]
10
            [opentime] => 2013-08-06 21:30:00
            [ballsnum] => 4
        )

    [23] => Array
        (
            [expect] => 13090
            [opencode] => 02,05,11,23,24,29
[解决办法]
08
            [opentime] => 2013-08-04 21:30:00
            [ballsnum] => 4
        )

    [24] => Array
        (
            [expect] => 13089
            [opencode] => 04,08,12,19,21,25
[解决办法]
13
            [opentime] => 2013-08-01 21:30:00
            [ballsnum] => 4
        )

    [25] => Array
        (
            [expect] => 13088
            [opencode] => 09,15,20,21,22,24
[解决办法]
14
            [opentime] => 2013-07-30 21:30:00
            [ballsnum] => 3
        )

    [26] => Array
        (
            [expect] => 13087
            [opencode] => 02,13,19,23,24,28
[解决办法]
05
            [opentime] => 2013-07-28 21:30:00
            [ballsnum] => 3
        )

    [27] => Array
        (
            [expect] => 13086
            [opencode] => 02,04,11,13,16,26
[解决办法]
11
            [opentime] => 2013-07-25 21:30:00
            [ballsnum] => 4
        )

    [28] => Array
        (
            [expect] => 13085
            [opencode] => 02,08,12,14,16,32
[解决办法]
16
            [opentime] => 2013-07-23 21:30:00
            [ballsnum] => 4
        )

    [29] => Array
        (
            [expect] => 13084
            [opencode] => 05,07,09,11,20,21
[解决办法]
03
            [opentime] => 2013-07-21 21:30:00
            [ballsnum] => 2
        )

)

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