Christoph Daum
@apermo on WordPress.org, @Christoph Daum (apermo) on Slack
Bio
Interests
WordPress Origin Story
Contributions Sponsored
- Member Since: November 6th, 2011
- Location: Germany, Bergkamen
- Website: christoph-daum.de
- GitHub: apermo
- Job Title: Senior Software Developer
- Employer: Coding Pioneers
Contribution History
Christoph Daum’s badges:- Core Contributor
- Documentation Contributor
- Meetup Organizer
- Plugin Developer
- Translation Contributor
- Translation Editor
- WordCamp Speaker
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Mentioned in [61878] on WordPress SVN:
Docs: Correct duplicate hook references in various files. -
Created ticket #64830 on Core Trac:
Introduce a helper function to extract the major.minor "branch" version -
Pull request #76297 merged into WordPress/gutenberg:
Fix: Use add_filter() for get_block_type_variations hook -
Mentioned in [61866] on WordPress SVN:
Code Quality: Correct hook registration type mismatches. -
Created ticket #64828 on Core Trac:
add_filter() used on actions and add_action() used on filters in core -
Submitted pull request #11205 to WordPress/wordpress-develop:
Docs: add missing hook cross-reference comments -
Submitted pull request #76299 to WordPress/gutenberg:
Docs: Fix big_image_size_threshold xref typo -
Created issue #76298 in the WordPress/gutenberg repository:
Docs: big_image_size_threshold xref typo in lib/media/load.php -
Submitted pull request #11204 to WordPress/wordpress-develop:
chore: fix hook registration type mismatches -
Submitted pull request #76297 to WordPress/gutenberg:
Fix: Use add_filter() for get_block_type_variations hook -
Created issue #76296 in the WordPress/gutenberg repository:
Bug: add_action() used instead of add_filter() for get_block_type_variations -
Submitted pull request #11203 to WordPress/wordpress-develop:
Docs: update hook xrefs for relocated hooks -
Submitted pull request #11202 to WordPress/wordpress-develop:
Docs: fix path typos in hook cross-references -
Submitted pull request #11201 to WordPress/wordpress-develop:
Docs: add PHPDoc for rest_revision_query filter -
Mentioned in [61865] on WordPress SVN:
Editor: Correct `wp_enable_real_time_collaboration` default for REST API sync route. -
Mentioned in [61862] on WordPress SVN:
Media: Hide image name overlay on gallery thumbnail row. -
Mentioned in [61855] on WordPress SVN:
Formatting: Transform “ẞ” for German locales in `remove_accents()`. -
Submitted pull request #11188 to WordPress/wordpress-develop:
Formatting: Add capital Eszett (ẞ → SS) to remove_accents() for German locale -
Created ticket #64821 on Core Trac:
remove_accents(): Add support for capital Eszett (ẞ → SS) in German locale -
Submitted pull request #76248 to WordPress/gutenberg:
fix(url,editor): locale-aware slug preview for German umlauts and other digraphs -
Mentioned in [61789] on WordPress SVN:
Code Quality: Normalize `object` as type being supplied as comment, post, site, term, and user. -
Mentioned in [61778] on WordPress SVN:
Docs: Correct `@see` tag syntax for `@param` descriptions in the Recovery Mode services. -
Mentioned in [61773] on WordPress SVN:
REST API: Guard against passing `null` as `$prepared_args` to `WP_REST_Posts_Controller::prepare_items_query()`. -
Mentioned in [61768] on WordPress SVN:
Code Quality: Replace `void` with `null` in union return types in `general-template.php`. -
Mentioned in [61767] on WordPress SVN:
Code Quality: Replace `void` with `null` in union return types in Customizer classes. -
Mentioned in [61766] on WordPress SVN:
Code Quality: Replace `void` with `null` in union return types in `link-template.php`. -
Confirmed as a speaker for WordCamp Vienna 2026
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Mentioned in [61739] on WordPress SVN:
Docs: Correct parameter variable name in `WP_REST_Icons_Controller`. -
Submitted pull request #11016 to WordPress/wordpress-develop:
fix: Fixes the broken caching issue in get_blog_details() -
Submitted pull request #11012 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in various core... -
Submitted pull request #11009 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in class-wpdb.php -
Submitted pull request #11008 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in Administration -
Submitted pull request #11006 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in Customize -
Submitted pull request #11005 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in general-template.php -
Created ticket #64704 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Submitted pull request #11004 to WordPress/wordpress-develop:
Docs: Replace void with null in union return types in link-template.php -
Created ticket #64703 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Created ticket #64702 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Created ticket #64701 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Created ticket #64700 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Created ticket #64699 on Core Trac:
Code Modernization: Replace void in PHPDoc union return types with ... -
Mentioned in [61719] on WordPress SVN:
Code Quality: Return `null` instead of `void` in `paginate_links()`. -
Submitted pull request #10999 to WordPress/wordpress-develop:
General: Return null instead of void in paginate_links() -
Created ticket #64694 on Core Trac:
paginate_links(): @return uses void instead of null in union type -
Mentioned in [61658] on WordPress SVN:
Menus: Prevent error in Menu location checkbox settings. -
Mentioned in [61649] on WordPress SVN:
Docs: Add missing `null` to `$post` parameter types in various functions. -
Submitted pull request #10938 to WordPress/wordpress-develop:
docs: add missing null to $post param types -
Created ticket #64645 on Core Trac:
Docs: Add missing null to $post parameter types in PHPDoc -
Mentioned in [61441] on WordPress SVN:
Twenty Sixteen: Ensure the Quote block inherits group color settings. -
Mentioned in [61311] on WordPress SVN:
Filesystem API: Check for the correct result in some `WP_Filesystem_FTPext` methods.
Developer
-
Apermo AdminBar
Active Installs: 60+
-
Apermo AdminBar Toggle
Active Installs: 10+
-
Apermo Tidy Gutenberg
Active Installs: Less than 10
-
Apermo Xdebug
Active Installs: 10+
Contributor
-
GatherPress
Active Installs: 50+