在不删除唯一键的情况下翻转数组？

Question

我正在尝试设置用户权限，它们作为数组存储在数据库中。这是我的 html 表单的当前输出...

{
"where_to_buy": "true",
"spec_sheet": "true",
"dwg_access": "true",
"bim_access": "true",
"product_prices": "true",
"portal_access": "true",
"save_quote": "true",
"request_drawings": "true",
"place_order": "true",
"special_offer": "true"
}

但是我需要这样格式化：

{
"where_to_buy": true,
"spec_sheet": true,
"dwg_access": true,
"bim_access": true,
"product_prices": true,
"portal_access": true,
"save_quote": true,
"request_drawings": true,
"place_order": true,
"special_offer": true
}

如何停止或将我的 html 表单提交从字符串转换为真值或假值？

Answer 1

您可以使用array_walk 映射值

这还允许您在以后需要时添加更多的真/假

// from json   
$yourArray = json_decode($yourJSON, true);

// map values
array_walk($yourArray, function(&$v) {
    $map = array(
        'true' => true,
        'false' => false
        // more as needed
    );

    if ( isset($map[$v]) ) {
        $v = $map[$v];
    }
});

// back to json
$output = json_encode($yourArray);

编辑：两者同时进行，参见 cmets

$yourArray = json_decode($yourJSON, true);
$yourFormattedArray = array();
$map = array(
    'true' => true,
    'false' => false
    // more as needed
);

foreach ($yourArray as $key => $val ) {
    if ( isset($map[$val]) ) {
        $val = $map[$val];
    }
    $yourFormattedArray[str_replace('_', '.', $key)] = $val;
}

$yourFinalArray = json_encode($yourFormattedArray);

Answer 2

您可以简单地使用json_decode 和array_map 一样

echo json_encode(array_map(function($v) {
        if ($v == "true") {
            return true;
        } else {
            return false;
        }
    }, json_decode($json, true)));