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Theme Events: Added events for page content render and pre-save #6049

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Theme Events: Added events for page content render and pre-save#6049
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ssddanbrown
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🏭 Back-End🔨 Feature Request
Milestone
v26.03

Description

@ssddanbrown
ssddanbrown
opened on Mar 4, 2026

Description

To allow a way for developer-focused back-end customization of content before it's saved, and/or before it's rendered to the user.

Been quite a few cases where this would have helped on instance where some very specific handling/tweaking to content was needed.

Activity

  1. ssddanbrown
    added this to the Next Feature Release milestone on Mar 4, 2026
  2. ssddanbrown
    self-assigned this
    on Mar 4, 2026
  3. ssddanbrown
    added
    🏭 Back-End
    🔨 Feature Request
    on Mar 4, 2026

  4. ssddanbrown commented on Mar 6, 2026

    @ssddanbrown
    ssddanbrown
    on Mar 6, 2026
    MemberAuthor

    Example of implementation

    <?php

use BookStack\Entities\Models\Page;
use BookStack\Facades\Theme;
use BookStack\Theming\ThemeEvents;

Theme::listen(ThemeEvents::PAGE_CONTENT_PRE_STORE, function (string $html, Page $page) {
    return str_replace('dog', 'cat', $html);
});

Theme::listen(ThemeEvents::PAGE_CONTENT_POST_RENDER, function (string $html, Page $page) {
    return str_replace('cat', 'badger', $html);
});
  5. ssddanbrown
    closed this as completedin 27240beon Mar 6, 2026
  6. pull
    added a commit that references this issue on Mar 6, 2026

    Theme System: Added new page-content focused events

    27240be
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