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随机排列,该如何解决

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Release: 2016-06-13 11:06:46
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随机排列

本帖最后由 leeker7 于 2012-11-21 17:29:47 编辑
<br />$arr=array(<br />'1:xxx',<br />'2:xxx',<br />'3:xxx',<br />'4:xxx',<br />'5:xxx',<br />'6:xxx',<br />'7:xxx',<br />'8:xxx',<br />'9:xxx',<br />'100:xxx'<br />);<br />$keys=array_rand($arr,8);<br />foreach($keys as $k) echo $arr[$k].'';<br />
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 这个代码是从上述10行里面随机取八行并echo出来
我想问的是
怎么才能把这8行在表达出来前
再进行次随机排列
然后再echo出来
谢谢
------解决方案--------------------
$keys=array_rand($arr,8);
shuffle($keys);
foreach($keys as $k) echo $arr[$k].'';
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