相信有时候你会用到。数组$arr1转换成另外一个数组$arr2

$arr1 = array (ide

'0' => array ('fid' => 1, 'tid' => 1, 'name' =>'Name1' ),it

'1' => array ('fid' => 1, 'tid' => 2 , 'name' =>'Name2' ),class

'2' => array ('fid' => 1, 'tid' => 5 , 'name' =>'Name3' ),foreach

'3' => array ('fid' => 1, 'tid' => 7 , 'name' =>'Name4' ),di

'4' => array ('fid' => 3, 'tid' => 9, 'name' =>'Name5' )view

 );vi


    foreach($arr1 as $k => $v){co

        $temp[$v['fid']][] = array(editor

            'tid' => $v['tid'],

            'name' => $v['name'],

        );

    }

    foreach($temp as $v){

        $arr2[] = $v;

    }

    var_dump($arr2);die;

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