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How to modify the key in the php array: 1. Modify the key through the "array_combine(array_keys($datas),$data)" method; 2. Use the foreach loop to process the key value, and the statement is "foreach ($data as $v=>$k){}".
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##php Processing array key value changes
$data =array( 'classname' =>' 我们不一样', 'id' => ' 6666', ); //更改 id key值为cate_id $datas =array( 'classname' =>$data['classname'], 'cate_id' =>$data['id'], ); $arr3 =array_combine(array_keys($datas),$data); echo '<pre class="brush:php;toolbar:false">'; var_dump($arr3); echo '';After printing, it is
array(2) { ["classname"]=> string(16) " 我们不一样" ["cate_id"]=> string(5) " 6666" }foreach loop processing
$data =array( 'classname' =>' 我们不一样', 'id' => ' 6666', ); //更改 id key值为cate_id foreach ($data as $v=>$k){ $data['cate_id'] =$data['id']; //key字段赋值 } unset($data['id']); //销毁原字段id key dump($data);die;
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