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);?>