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【php】php数组如何转化成如下数组…

Array
(
[0] => Array
(
[ce_id] => 1
[ce_category_id] => 1
[ce_user_id] => 10
[ce_remark] => 123
[ce_img] => /upload/certification/1_1459410425_4041.png
[ce_create_at] => 2016-03-31 15:47:05
[ce_update_at] => 2016-03-31 15:47:05
[cn_id] => 1
[cn_certification_name] => 学历证明
[cn_create_at] => 2016-03-31 10:54:02
[cn_create_user_id] =>
)
[1] => Array
(
[ce_id] => 2
[ce_category_id] => 1
[ce_user_id] => 10
[ce_remark] => 正面
[ce_img] => /upload/certification/1_1459413288_5730.png
[ce_create_at] => 2016-03-31 16:34:48
[ce_update_at] => 2016-03-31 16:34:48
[cn_id] => 1
[cn_certification_name] => 学历证明
[cn_create_at] => 2016-03-31 10:54:02
[cn_create_user_id] =>
)
[2] => Array
(
[ce_id] => 3
[ce_category_id] => 1
[ce_user_id] => 10
[ce_remark] => 正面
[ce_img] => /upload/certification/1_1459413934_4724.png
[ce_create_at] => 2016-03-31 16:45:34
[ce_update_at] => 2016-03-31 16:45:34
[cn_id] => 1
[cn_certification_name] => 学历证明
[cn_create_at] => 2016-03-31 10:54:02
[cn_create_user_id] =>
)
[3] => Array
(
[ce_id] => 4
[ce_category_id] => 1
[ce_user_id] => 10
[ce_remark] => 正面
[ce_img] => /upload/certification/1_1459414535_2607.png
[ce_create_at] => 2016-03-31 16:55:35
[ce_update_at] => 2016-03-31 16:55:35
[cn_id] => 1
[cn_certification_name] => 学历证明a
[cn_create_at] => 2016-03-31 10:54:02
[cn_create_user_id] =>
)
)

这正数组怎么变成
cn_certification_name为键,cn_certification_name这字段相同的值就放在这字段下面。。
如:

array(2) {
["学历证明"]=>
array(4) {
[0]=>
array(11) {
["ce_id"]=>
string(1) "1"
["ce_category_id"]=>
string(1) "1"
["ce_user_id"]=>
string(2) "10"
["ce_remark"]=>
string(3) "123"
["ce_img"]=>
string(43) "/upload/certification/1_1459410425_4041.png"
["ce_create_at"]=>
string(19) "2016-03-31 15:47:05"
["ce_update_at"]=>
string(19) "2016-03-31 15:47:05"
["cn_id"]=>
string(1) "1"
["cn_certification_name"]=>
string(12) "学历证明"
["cn_create_at"]=>
string(19) "2016-03-31 10:54:02"
["cn_create_user_id"]=>
NULL
}
[1]=>
array(11) {
["ce_id"]=>
string(1) "2"
["ce_category_id"]=>
string(1) "1"
["ce_user_id"]=>
string(2) "10"
["ce_remark"]=>
string(6) "正面"
["ce_img"]=>
string(43) "/upload/certification/1_1459413288_5730.png"
["ce_create_at"]=>
string(19) "2016-03-31 16:34:48"
["ce_update_at"]=>
string(19) "2016-03-31 16:34:48"
["cn_id"]=>
string(1) "1"
["cn_certification_name"]=>
string(12) "学历证明"
["cn_create_at"]=>
string(19) "2016-03-31 10:54:02"
["cn_create_user_id"]=>
NULL
}
[2]=>
array(11) {
["ce_id"]=>
string(1) "3"
["ce_category_id"]=>
string(1) "1"
["ce_user_id"]=>
string(2) "10"
["ce_remark"]=>
string(6) "正面"
["ce_img"]=>
string(43) "/upload/certification/1_1459413934_4724.png"
["ce_create_at"]=>
string(19) "2016-03-31 16:45:34"
["ce_update_at"]=>
string(19) "2016-03-31 16:45:34"
["cn_id"]=>
string(1) "1"
["cn_certification_name"]=>
string(12) "学历证明"
["cn_create_at"]=>
string(19) "2016-03-31 10:54:02"
["cn_create_user_id"]=>
NULL
}
}
["学历证明a"]=>
array(1) {
[0]=>
array(11) {
["ce_id"]=>
string(2) "23"
["ce_category_id"]=>
string(1) "3"
["ce_user_id"]=>
string(2) "10"
["ce_remark"]=>
string(3) "789"
["ce_img"]=>
string(43) "/upload/certification/3_1459481224_8477.png"
["ce_create_at"]=>
string(19) "2016-04-01 11:27:04"
["ce_update_at"]=>
string(19) "2016-04-01 11:27:04"
["cn_id"]=>
string(1) "3"
["cn_certification_name"]=>
string(13) "学历证明a"
["cn_create_at"]=>
string(19) "2016-04-01 11:26:11"
["cn_create_user_id"]=>
NULL
}
}
}

回答

这应该是你想要的意思了

function changeArray($arr){
        $newArr = $keyTmp =  array();
        foreach($arr as $val){
            array_push($keyTmp, $val['cn_certification_name']);
        }
        unset($val);
        $keyTmp = array_unique($keyTmp);
        foreach($arr as $val){
            foreach($keyTmp as $tmpVal){
                if($val['cn_certification_name'] == $tmpVal){
                    $newArr[$tmpVal][] = $val;
                }
            }
        }
        return $newArr;
    }
// 来个简单的
$res = [];
foreach($arr as $v){
     $res[$v['cn_certification_name']][] = $v;
}

你是要按照字段cn_certification_name排序吗?是这意思?

foreach($ARR as $VALUA) 这个

(strval)$;

typeof( )

用这三个函数,做不到吗?

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