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How can I change the preview URL in Wordpress?

When creating a post in Wordpress, there is a Preview button which takes you to the draft view. Because I have a custom integration of Wordpress and don't use a theme, I would like to change the URL of the preview link. Is this possible? How?

Regarding the custom implementation, Wordpress posts are integrated in another framework. I do this by setting WP_USE_THEMES to false, loading wp-config.php and directly accessing the posts using WP_Query(). This means I am bypassing any Wordpress theme that is set.

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You can do something like this, add to functions.php

add_filter( 'preview_post_link', 'the_preview_fix' );

function the_preview_fix() {
    $slug = basename(get_permalink());
    return "http://www.mywebsite.com/blog/p/$slug";
}

More info HERE and HERE.

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  • How do you deploy one of these? – Robert Moskal Apr 18 '19 at 18:33
  • What do you mean? – RiddleMeThis Apr 18 '19 at 19:16
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    Through the above code we can surly update the URL/permalink of the Preview Changes button, but this new link can't hold the temporary changes for the current page/post. The default preview links has preview id and nonce value to hold the temporary changes for the page/post but if we are updating the structure, so the new structure are not able to hold the temporary changes for the pages/post. Looking for solution to keep changes as well for the pages/post like default preview link. – Rkg Feb 20 '20 at 10:02

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