【问题标题】:How i can find data in array php我如何在数组 php 中找到数据
【发布时间】:2021-12-28 23:44:44
【问题描述】:

我在 php 中有这样的数据数组,

0 => 
  "data" =>
     0 => 
       "id_data": "P-1234",
       "name_data": "data 0 warga 1"
     1 => 
       "id_data": "P-1235",
       "name_data": "data 0 warga 2"
1 =>
  "data" =>
     0 => 
       "id_data": "O-1134",
       "name_data": "data 1 warga 1"
     1 => 
       "id_data": "O-1135",
       "name_data": "data 1 warga 2"
     2 => 
       "id_data": "O-1136",
       "name_data": "data 1 warga 3"

如何在 php 中找到数据 id_data O-1135? 谢谢你^^

【问题讨论】:

    标签: php mysql php-7.1


    【解决方案1】:
    $arr = [
        0 => [
            "data" =>[ 
                0 => [ "id_data"=>"P-1234", "name_data"=>"data 0 warga 1"],
                1 => ["id_data"=> "P-1235","name_data"=> "data 0 warga 2"]
            ]
        ],
        1 => [
            "data" => [
              0 => ["id_data"=> "O-1134","name_data"=> "data 1 warga 1"],
              1 => ["id_data"=> "O-1135","name_data"=> "data 1 warga 2"],
              2 => ["id_data"=> "O-1136", "name_data"=> "data 1 warga 3"],
             ] 
        ]
    ];
    
    function find_value_from_arr($arr, $findVal){
        foreach($arr as $childArr){
            if(( $indx = array_search( $findVal, array_column($childArr['data'], 'id_data')) ) !== FALSE){
                return $childArr['data'][$indx]; 
            }
        }
        return false;
    }
    print_r(find_value_from_arr($arr,'O-1135'));
    

    【讨论】:

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