PHP中如何过滤key的值？

Question

我有一个包含不同键的数组，我想根据值 TRUE 或 FALSE 过滤键。我有麻烦请帮忙。

这是我的代码

 foreach ($combine as $data) {

       unset($data['user_name'], $data['date']);

       if (array_values($data) == TRUE) {

            pr(array_keys($data));

       }

  }

这是数组

 Array

    (

        [microsoft] => FALSE

        [health_care] => TRUE

        [nasa_cerification_type_i] => TRUE

        [nasa_cerification_type_ii] => TRUE

        [nasa_cerification_type_iii] => TRUE

    )

Answer 1

我认为这就是你想要做的：foreach($combine as $data){    unset($data['user_name'], $data['date']); //we don't need these    $valid = [];    foreach($data as $n => $v){        if($v === true){ //be careful! Are the values really boolean? then use ===, otherwise use ==            $valid[] = $n;        }    }    //do something with $valid    print_r($valid); //etc..}

Answer 2

$trueArray=array_filter($array, function ($ar){return ($ar==true);});$falseArray=array_filter($array, function ($ar){return ($ar==false);});print_r($trueArray);