I'm currently working on a new website that I need to migrate from an old CMS to WordPress. The old system had some URL values with ID's in it:


When I place this url in WordPress, the URL gets a 301 redirect to the same URL with the value: %2B. Can someone help me out to get rid of the redirect and just show the URL with the +?

  • 3
    If you found a solution yourself, pleace write it as an answer and accept it, so it may help others to see that this question was solved, thanks.
    – birgire
    Jul 27, 2016 at 14:11

1 Answer 1


Per the OP, here is their answer which I separated from the question:

I have found a solution for it myself, I've used the Custom Permalinks plugin and edited how the special characters are saved in the database. For the people who want to use this, change:

add_post_meta( $id, 'custom_permalink', str_replace('%2F', '/',
urlencode(ltrim(stripcslashes($_REQUEST['custom_permalink']),"/"))) );


add_post_meta( $id, 'custom_permalink', str_replace(array('%2F','%2B'),
urlencode(ltrim(stripcslashes($_REQUEST['custom_permalink']),"/"))) );

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