在WordPress中保留自定义GET参数超过POST请求

Question

I need to keep my custom get parameter over ANY form submit in WordPress. For instance, I have post edit like /wp-admin/post.php?post=493&action=edit&foo=bar Then I click update and gone, there's no foo in url.

I even added ?foo=bar to action='post.php' and still nothing. I also added foo to public query_vars . I searched a lot and found nothing related to this problem. Is there a way to do what I want? I can use javascript/jquery to manipulate the forms.

Answer 1

I see that you've solved the issue using $_SESSION however for anyone else that needs this sort of functionality and can't use the session for any reason, this is also an option:

<form action="post.php?<?= http_build_query($_GET); ?>">

It looks a bit ugly, but it'll repeat any _GET parameters into the action.

To test, I made this slightly awful way of tacking everything together:

<form method="post" action="?<?= http_build_query($_GET);?>&<?= http_build_query($_POST);?>">
    <label> Test<input name="<?= time() ?>"></label>
</form>

Note: You have to submit a few times before it starts appearing in the url as first submission is in POST , which is then added to the GET in the second post. (It'll always look like it's one behind, but if you look at the html it'll be right).

Final note: All parameters sent via get, post and/or cookie , are available in $_REQUEST .