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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Confirmed as a speaker for WordCamp Netherlands 2024
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Created ticket #63518 on Core Trac:
get_blog_details( get_all: false ) not working as expected -
Closed ticket #63484 on Core Trac:
Attempt to read property "name" on bool - wp-admin/nav-menus.php :1221 -
Completed the course Open source basics and WordPress on learn.wordpress.org
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Created ticket #63484 on Core Trac:
Attempt to read property "name" on bool - wp-admin/nav-menus.php :1221 -
Submitted pull request #8827 to WordPress/wordpress-develop:
fix: Fixes the error that getchmod() can cause a fatal error -
Created ticket #63474 on Core Trac:
getchmod() can cause Fatal error -
Is the 19th person to arrive at WordCamp Leipzig, Germany 2025
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Is the 36th person to arrive at WordCamp Vienna 2025
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Submitted pull request #8688 to WordPress/wordpress-develop:
refactor(media): Refactor month retrieval and add new function for easier caching -
Created ticket #63279 on Core Trac:
Improve `media_library_months_with_files` inside `wp_enqueue_media()` -
Mentioned in [60157] on Core SVN:
Docs: Correct the type of the `$return` parameter in `embed_handler_html` filter. -
Mentioned in [60149] on Core SVN:
Docs: Correct the type of the `$return` parameter in `embed_handler_html` filter. -
Submitted pull request #8661 to WordPress/wordpress-develop:
63248 - PHPDoc fix for embed_handler_html filter -
Created ticket #63248 on Core Trac:
PHPDoc for embed_handler_html is misleading -
Mentioned in [60140] on Core SVN:
Docs: Correct the type of the $cache parameter in embed_oembed_html. -
Mentioned in [60127] on Core SVN:
Docs: Correct the type of the `$cache` parameter in `embed_oembed_html`. -
Submitted pull request #8640 to WordPress/wordpress-develop:
docs: fixed parameter type for embed_oembed_html filter in WP_Embed::shortcode() -
Created ticket #63220 on Core Trac:
Documentation for embed_oembed_html misleading -
Pull request #144 merged into WordPress/wpcs-docs:
require/import vs require/include in PHP Coding Standards Documentation. - Fix for #143 -
Received props from @JeffPaul in Slack:
Props to @audrasjb @davidbaumwald @michelleames @Ankit K Gupta @zunaid321 @narenin @sukhendu2002 @jigar9998 @qhaensler @zeelthakkar @lumiblog… -
Mentioned in [59987] on Core SVN:
Media: Add 'muted' attribute and normalize HTML attributes. -
Confirmed as a speaker for WordCamp Vienna 2025
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Mentioned in [59951] on Core SVN:
Editor: Fix unexpected behavior due to conflicting custom block template. -
Submitted pull request #8434 to WordPress/wordpress-develop:
feat: Added action 'maybe_serialize_data_is_serialized' to inform about double serialization. -
Mentioned in [59870] on Core SVN:
Date/Time: Add sanitization to `WP_Locale::get_month()`. -
Mentioned in [59759] on Core SVN:
Administration: Fix pagination in categories, tags, and plugins tables. -
Mentioned in [59727] on Core SVN:
Administration: Fix pagination in categories, tags, and plugins tables. -
Submitted pull request #8191 to WordPress/wordpress-develop:
feat(WP_Term): added getter and setter for backwards compatibility -
Created ticket #62863 on Core Trac:
_make_cat_compat() - dynamic properties deprecated in PHP 8.2 -
Mentioned in [59704] on Core SVN:
Docs: Improve @return docblock section for `get_category()`. -
Submitted pull request #8166 to WordPress/wordpress-develop:
docs(get_category()): Changed PHPDoc for return and added more information -
Created ticket #62842 on Core Trac:
PHPDoc of get_category() is misleading -
Submitted pull request #8142 to WordPress/wordpress-develop:
Add sanitization to WP_Locale::get_month() -
Created ticket #62824 on Core Trac:
single_month_title() can cause a warning. -
Mentioned in [59630] on Core SVN:
REST API: Fix PHP warning about undefined `paged` argument in various REST API endpoints. -
Mentioned in [59588] on Core SVN:
Media: enable high bit depth resized image output with Imagick. -
Closed pull request #7635 on WordPress/wordpress-develop:
Fix for 62292 - Warning on WP_REST_[...]_Controller::get_items() -
Mentioned in [59559] on Core SVN:
Themes: Add an ID to the block theme skip link. -
Mentioned in [59548] on Core SVN:
Docs: Update parameter type hints to include `null` for post thumbnail functions. -
Created ticket #62720 on Core Trac:
Incomplete phpdoc typehints for get_the_post_thumbnail_url() -
Mentioned in [59472] on Core SVN:
Editor: Add description for Banners block pattern category. -
Mentioned in [59435] on Core SVN:
Media: Avoid images with `sizes=auto` to be displayed downsized in supporting browsers. -
Mentioned in [59433] on Core SVN:
i18n: Account for `load_*_textdomain()` after JIT loading. -
Submitted pull request #7847 to WordPress/wordpress-develop:
Notify about double serialization. - 62483 -
Created ticket #62483 on Core Trac:
maybe_serialize() does support double serialization, but does not the ... -
Mentioned in [59430] on Core SVN:
i18n: Account for `load_*_textdomain()` after JIT loading. -
Mentioned in [59415] on Core SVN:
Media: Avoid images with `sizes=auto` to be displayed downsized in supporting browsers. -
Mentioned in [59411] on Core SVN:
HTML API: Fix normalized doctype pub/sys identifier quotes. -
Mentioned in [59410] on Core SVN:
HTML API: Fix normalized doctype pub/sys identifier quotes.
Developer
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Apermo AdminBar
Active Installs: 60+
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Apermo AdminBar Toggle
Active Installs: 10+
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Apermo Tidy Gutenberg
Active Installs: Less than 10
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Apermo Xdebug
Active Installs: 10+
Deutsch (German) Plugins Translation Editor - #de_DE
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Apermo AdminBar
Active Installs: 60+
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Apermo AdminBar Toggle
Active Installs: 10+
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Apermo Xdebug
Active Installs: 10+