php三维数组怎么转为二维数组

 Array(0 => Array(bid => 41,brealname => 'we教官',cid => 41,crealname => 'we教官')), 1 => Array(0 => Array(bid => 6,brealname => '虎子',cid => 19,crealname => '张鱼')) ); //原数组 print_r($result); echo "
"; //第一种方法： foreach ($result as $key =>$v){ $new_arr[]=$v[0]; } echo '
'; print_r($new_arr); //第二种方法 //初始化$arr2 $arr2=array(); //循环遍历三维数组$arr3 foreach($result as $value){ foreach($value as $v){ $arr2[]=$v; } } //销毁$arr3 unset($result,$value,$v); echo "
"; echo "第二种方法："; echo '
'; print_r($arr2); ?>
        

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