如何添加一个GET变量到当前的URL？ [英] How to add a GET variable to the current URL?

问题描述

我有一个问题，我想制作一些搜索页面，它需要一个get变量来对结果进行排序。因此，如果有人在没有GET变量的情况下进入页面，请重新加载页面并使其显示，例如您输入www.myweb.com/search并自动重新加载并更改为www.myweb.com/search/?sort=ascending（因为这个变量是必须的）。

I have a question, i want to make some search page, and it needs a get variable to sort the results. So if someone enters the page without that GET variable, reload the page and make it appear, for example you enter www.myweb.com/search and automatically reloads and changes to www.myweb.com/search/?sort=ascending (because that variable is necessary) .

我希望你明白我的意思，再见

I hope you understand me, good bye

推荐答案

我认为这将适用于您要做的事：

I think this will work for what you're looking to do:

if (empty($_GET['sort'])) {
    header('Location: ' . $_SERVER['REQUEST_URI'] . '?sort=ascending');
    exit();
}

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