如何添加字符串数组键，如果是由laravel5拔(列表)方法 - How to add strings to array key if that made by laravel5 pluck(lists) method?

How to add strings to array key if that made by laravel5 pluck(lists) method?

昨天我解决了这个问题，谢谢大家

下一题。不是很重要，但我很关心，看这段代码。

控制器

$months = 'App'Test::select('DB::raw('DATE_PART(''MONTH'', date) AS MONTH'))
                    ->where('date', '<=', 'now()')
                    ->orderBy('date', 'desc')
                    ->pluck('month', 'month');
                    // this code generate like this.
                    // Illuminate'Support'Collection Object ( [items:protected] => Array ( [8] => 8 [7] => 7 ) )

视图

{{ Form::select('month', $months, old('month'), ['id' => 'month']) }}
( now generate this. )
<select id="month" name="month">
    <option value="8">8</option>
    <option value="7">7</option>
</select>

我希望像这样给键添加字符串

<select id="month" name="month">
    <option value="8">8month</option>
    <option value="7">7month</option>
</select>

我想这对每个人都可以。

$array = ["8" => "8", "7" => "7"];
print_r($array); // Array ( [8] => 8 [7] => 7 )
foreach($array as $key => $value){
    $array[$key.'month'] = $value;
    unset($array[$key]);
}
print_r($array); // well done! Array ( [8month] => 8 [7month] => 7 )

所以测试一下，但是…

print_r($months); // Illuminate'Support'Collection Object ( [items:protected] => Array ( [8] => 8 [7] => 7 ) )
foreach($months as $key => $value){
    $array[$key.'month'] = $value;
    unset($months[$array]);
}
print_r($months); // Not Working WTF!! Illuminate'Support'Collection Object ( [items:protected] => Array ( ) )

解决吗?

这个错误就是答案lmao XD真心实意的工作这个，原谅我的愚蠢。

foreach($months as $key => $value){
    $months[$key.'month'] = $value;
    unset($months[$key]);
}

公立小学

以上代码为错误

This Code is true.

foreach($months as $key => $value){
    $months[$value] = $value.'month';
}

您的$months变量是Collection实例。可以使用$months->put($key, $value)或$months->push($value)查看这里的收集方法

编辑:

另外，我注意到你在第二个例子中使用了错误的变量。不应该是这样吗?

foreach($months as $key => $value){
    $months[$key.'month'] = $value;
    unset($months[$key]);
}