求解一路题

WBOY
Release: 2016-06-13 12:50:19
Original
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求解一道题
$arr=array(
   array('id'=>1,'title'=>'分类1'),
   array('id'=>3,'title'=>'分类3'),
   array('id'=>2,'title'=>'分类2'),
   array('id'=>8,'title'=>'分类8'),
   array('id'=>111,'title'=>'分类111'),

);

如何换成下述代码?求解?
$arr=array(
   1=>array('id'=>1,'title'=>'分类1'),
   3=>array('id'=>3,'title'=>'分类3'),
   2=>array('id'=>2,'title'=>'分类2'),
   8=>array('id'=>8,'title'=>'分类8'),
   111=>array('id'=>111,'title'=>'分类111'),

);


------解决方案--------------------
foreach($arr as $v){<br />
     $ar[$v['id']]=$v;<br />
}<br />
print_r($ar);
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------解决方案--------------------
直接上代码:
$arr=array(<br />
   array('id'=>1,'title'=>'分类1'),<br />
   array('id'=>3,'title'=>'分类3'),<br />
   array('id'=>2,'title'=>'分类2'),<br />
   array('id'=>8,'title'=>'分类8'),<br />
   array('id'=>111,'title'=>'分类111'),<br />
<br />
);<br />
list($a[1],$a[3],$a[2],$a[8],$a[111])=$arr;<br />
asort($a);<br />
var_dump($a);<br />
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这是我的方法,期待更好的方法,准备睡觉啦。...
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