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How to add key value to php two-dimensional array

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Release： 2023-03-13 21:26:01

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php Method to add key values to a two-dimensional array: 1. Create a PHP sample file; 2. Add the key value to the second dimensional array through the "foreach ($listening_collect as $key => $value){...}" method Dimensional arrays add key values.

How to add key value to php two-dimensional array

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How to add key values to a two-dimensional array in php ?

php array loop to add key-value pairs

Two-dimensional array addition method:

Loop $listening_collect is a two-dimensional array, go to Add a you_answer element inside

$listening_collect = $this->ser_toefllistening->zt_collect($listening_articleid)->result_array();
        foreach ($listening_collect as $key => $value){
            //变量值$answer是个数组 answer是里面的一个元素
            $answer = $this->ser_toefllistening->answer($value[&#39;id&#39;],$u_id);
            $listening_collect[$key][&#39;you_answer&#39;] = $answer[&#39;answer&#39;];
        }

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Print the $listening_collect array

After adding, print the $listening_collect array

One-dimensional array addition method:

//这个是一维数组添加
foreach($arr as $key => &$vo){
        $vo[&#39;name&#39;] = &#39;星星&#39;;
        $vo[&#39;age&#39;] = &#39;24&#39;;
    }
    $arr[$key][&#39;name&#39;] = &#39;星星&#39;;
    $arr[$key][&#39;age&#39;] = &#39;24&#39;;

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----------------------- -------------------------------------------------- ----------------------------------

$res = Db::name(&#39;ht_let_go&#39;)
            ->where("title", "like", "%$name%")
            ->order(&#39;id desc&#39;)
            ->paginate($size,false,[&#39;page&#39;=> $page,&#39;query&#39;=>request()->param()])->toArray();


        foreach ($res[&#39;data&#39;] as $k => $v){
            $res[&#39;data&#39;][$k][&#39;sum_num&#39;]  = Db::name(&#39;ht_let_go_buy&#39;)->where(&#39;let_go_id&#39;,$v[&#39;id&#39;])->count();
        }
dump($res);die;

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