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怎么将一个多维数组转换成一维

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Release: 2016-06-13 12:05:08
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如何将一个多维数组转换成一维

多维数组打印来出效果:
Array ( [10] => 准备买 [11] => 不准备换 [12] => Array ( [0] => 3厢小轿车 [1] => 城市SUB ) [13] => 33333 [14] => Array ( [0] => 中型 [1] => 小巧型 ) [15] => 全险 )
想转换成一维的,保持原来KEY不变,遇到多维就合并,最终想得到
Array ( [10] => 准备买 [11] => 不准备换 [12] =>  3厢小轿车, 城市SUB  [13] => 33333 [14] =>  中型 ,小巧型  [15] => 全险 )

搞了半天,有点迷糊了。请高手看看
------解决方案--------------------

$a = Array (<br />  10 => '准备买',<br />  11 => '不准备换',<br />  12 => Array ( 0 => '3厢小轿车', 1 => '城市SUB' ),<br />  13 => 33333,<br />  14 => Array ( 0 => '中型', 1 => '小巧型' ),<br />  15 => '全险',<br />);<br /><br />foreach($a as $k=>$v) {<br />  if(is_array($v)) $a[$k] = join(',', $v);<br />}<br />print_r($a);
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Array<br />(<br />    [10] => 准备买<br />    [11] => 不准备换<br />    [12] => 3厢小轿车,城市SUB<br />    [13] => 33333<br />    [14] => 中型,小巧型<br />    [15] => 全险<br />)<br /><br />
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------解决方案--------------------
<br />$a = array (<br />  10 => '准备买',<br />  11 => '不准备换',<br />  12 => Array ( 0 => '3厢小轿车', 1 => '城市SUB' ),<br />  13 => 33333,<br />  14 => Array ( 0 => '中型', 1 => '小巧型' ),<br />  15 => '全险',<br />);<br />$b=array();<br />foreach($a as $k=>$v){<br />    $b[$k]=$v;<br />    if(is_array($v)){<br />        $b[$k]=$v[0].','.$v[1];<br />    }<br />}<br />print_r($b);<br />
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<br />Array<br />(<br />    [10] => 准备买<br />    [11] => 不准备换<br />    [12] => 3厢小轿车,城市SUB<br />    [13] => 33333<br />    [14] => 中型,小巧型<br />    [15] => 全险<br />)<br />
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