php - 从 php 数组中取消设置变量

Question

我有一个数组，当打印出来时，看起来如下所示，尽管有许多警告和成功消息可用：

Array
(
    [warning] => Array
        (
            [0] => We might have a problem.
            [1] => You might have a problem.
            [2] => They may have a problem.
        )

    [success] => Array
        (
            [0] => Everything is awesome
        )

)

我需要查看数组并找到带有字符串值的警告You might have a problem.。所以我有以下代码：

foreach($msgArray as $msgType => $messages) {
    foreach($messages as $message => $msg) {
        if($message == 'warning' && $msg == 'You might have a problem.'){
            unset($msgArray[$msgType]);
        }
    }
}

但不幸的是，这会warning从$msgArray.

如何仅删除带有值“您可能有问题。”的警告？

谢谢！

标签： phparraysunset

Answer 1

您正在删除顶级密钥。只需删除第二级：

unset($msgArray[$msgType][$message]);

PS鉴于您显示的数据和代码，$message永远不会warning。$msgType将会。