如何在数组键中添加特殊字符

Question

我想在我的数组的键中添加特殊字符，就像这个例子一样 我怎么能转换这个数组

$tmp = array(
"name" => "aya",
"number" => "10");

到

$tmp = array(
"[name]" => "aya",
"[number]" => "10");  

Answer 1

您可以使用此代码：

foreach ($tmp as $key=> $value) {
    unset($tmp[$key]);
    $tmp["[$key]"] = $value;
}