Title: Mark Jansen's Topics | WordPress.org

---

# Mark Jansen

  [  ](https://wordpress.org/support/users/mark-jansen/)

 *   [Profile](https://wordpress.org/support/users/mark-jansen/)
 *   [Topics Started](https://wordpress.org/support/users/mark-jansen/topics/)
 *   [Replies Created](https://wordpress.org/support/users/mark-jansen/replies/)
 *   [Reviews Written](https://wordpress.org/support/users/mark-jansen/reviews/)
 *   [Topics Replied To](https://wordpress.org/support/users/mark-jansen/replied-to/)
 *   [Engagements](https://wordpress.org/support/users/mark-jansen/engagements/)
 *   [Favorites](https://wordpress.org/support/users/mark-jansen/favorites/)

 Search topics:

## Forum Topics Started

    - Topic
    - Participants
    - Replies
    - Last Post
 *  -  [[Broken Link Checker] Unable to follow redirect – possible false positive?](https://wordpress.org/support/topic/unable-to-follow-redirect-possible-false-positive/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 4
    - 6
    -  [1 year, 3 months ago](https://wordpress.org/support/topic/unable-to-follow-redirect-possible-false-positive/#post-18538977)
    -  [Nebu John – WPMU DEV Support](https://wordpress.org/support/users/wpmudevsupport14/)
 *  -  [[Variation Auto Expire For WooCommerce] Deleting product transients cron](https://wordpress.org/support/topic/deleting-product-transients-cron/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 5
    -  [1 year, 4 months ago](https://wordpress.org/support/topic/deleting-product-transients-cron/#post-18462832)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Make Connector] Meta value of 0 is not begin updated in PHP7.4](https://wordpress.org/support/topic/meta-value-of-0-is-not-begin-updated-in-php7-4/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 2
    -  [3 years, 4 months ago](https://wordpress.org/support/topic/meta-value-of-0-is-not-begin-updated-in-php7-4/#post-16803114)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[WP Swiper] Block alignment and custom classes no longer work](https://wordpress.org/support/topic/block-alignment-and-custom-classes-no-longer-worj/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 8
    -  [3 years, 9 months ago](https://wordpress.org/support/topic/block-alignment-and-custom-classes-no-longer-worj/#post-16302699)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[WP Swiper] Fade does not hide previous slide](https://wordpress.org/support/topic/fade-does-not-hide-previous-slide/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 2
    -  [3 years, 9 months ago](https://wordpress.org/support/topic/fade-does-not-hide-previous-slide/#post-16298702)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[ACF to REST API] POST request returns 500 cannot update item](https://wordpress.org/support/topic/post-request-returns-500-cannot-update-item/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 1
    -  [7 years, 10 months ago](https://wordpress.org/support/topic/post-request-returns-500-cannot-update-item/#post-10983266)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[WooCommerce] Create refunds](https://wordpress.org/support/topic/create-refunds/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 4
    - 8
    -  [7 years, 10 months ago](https://wordpress.org/support/topic/create-refunds/#post-10981372)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [Custom permalink structure gives 40](https://wordpress.org/support/topic/custom-permalink-structure-gives-40/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Hacks](https://wordpress.org/support/forum/plugins-and-hacks/hacks/)
    - 2
    - 1
    -  [12 years, 6 months ago](https://wordpress.org/support/topic/custom-permalink-structure-gives-40/#post-4790546)
    -  [bcworkz](https://wordpress.org/support/users/bcworkz/)
 *  -  [[Wp-Pro-Quiz] Time spent in leader board](https://wordpress.org/support/topic/time-spent-in-leader-board/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [12 years, 9 months ago](https://wordpress.org/support/topic/time-spent-in-leader-board/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [Sort by multiple (optional) meta keys.](https://wordpress.org/support/topic/sort-by-multiple-optional-meta-keys/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [12 years, 9 months ago](https://wordpress.org/support/topic/sort-by-multiple-optional-meta-keys/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [remove_action from other plugin file](https://wordpress.org/support/topic/remove_action-from-other-plugin-file/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 1
    -  [12 years, 9 months ago](https://wordpress.org/support/topic/remove_action-from-other-plugin-file/#post-4426599)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [Changing sample permalink](https://wordpress.org/support/topic/changing-sample-permalink/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Hacks](https://wordpress.org/support/forum/plugins-and-hacks/hacks/)
    - 3
    - 7
    -  [12 years, 10 months ago](https://wordpress.org/support/topic/changing-sample-permalink/#post-4397026)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Advanced Custom Fields (ACF®)] Show field in backend only on certain posts](https://wordpress.org/support/topic/show-field-in-backend-only-on-certain-posts/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [12 years, 11 months ago](https://wordpress.org/support/topic/show-field-in-backend-only-on-certain-posts/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Yoast SEO - Advanced SEO with real-time guidance and built-in AI] Filter to add ancestors](https://wordpress.org/support/topic/filter-to-add-ancestors/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [13 years, 2 months ago](https://wordpress.org/support/topic/filter-to-add-ancestors/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Pronamic Google Maps] Center map based on postalcode](https://wordpress.org/support/topic/center-map-based-on-postalcode/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [13 years, 2 months ago](https://wordpress.org/support/topic/center-map-based-on-postalcode/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Toolset Types - Custom Post Types, Custom Fields and Taxonomies] Select all fields in a group](https://wordpress.org/support/topic/select-all-fields-in-a-group/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 6
    -  [13 years, 8 months ago](https://wordpress.org/support/topic/select-all-fields-in-a-group/#post-3417442)
    -  [Magenta Cuda](https://wordpress.org/support/users/magenta-cuda/)
 *  -  [[Pronamic Google Maps] [Plugin: Pronamic Google Maps] Edit infowindow](https://wordpress.org/support/topic/plugin-pronamic-google-maps-edit-infowindow/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 2
    -  [14 years, 1 month ago](https://wordpress.org/support/topic/plugin-pronamic-google-maps-edit-infowindow/#post-2986196)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Pronamic Google Maps] [Plugin: Pronamic Google Maps] Adapt results to query_post()](https://wordpress.org/support/topic/plugin-pronamic-google-maps-adapt-results-to-query_post/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 3
    - 4
    -  [14 years, 1 month ago](https://wordpress.org/support/topic/plugin-pronamic-google-maps-adapt-results-to-query_post/#post-2981024)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Geo Mashup] [Plugin: Geo Mashup] Use GEOMashup with filter](https://wordpress.org/support/topic/plugin-geo-mashup-use-geomashup-with-filter/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 1
    -  [14 years, 1 month ago](https://wordpress.org/support/topic/plugin-geo-mashup-use-geomashup-with-filter/#post-2886848)
    -  [Dylan Kuhn](https://wordpress.org/support/users/cyberhobo/)
 *  -  [[Yoast SEO - Advanced SEO with real-time guidance and built-in AI] [Plugin: WordPress SEO by Yoast] Fatal error when using WPSEO_frontend::metadesc();](https://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-fatal-error-when-using-wpseo_frontendmetadesc/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 2
    - 2
    -  [14 years, 2 months ago](https://wordpress.org/support/topic/plugin-wordpress-seo-by-yoast-fatal-error-when-using-wpseo_frontendmetadesc/#post-2905000)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Members - Membership & User Role Editor Plugin] [Plugin: Members] Only show own posts](https://wordpress.org/support/topic/plugin-members-only-show-own-posts/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 1
    -  [14 years, 3 months ago](https://wordpress.org/support/topic/plugin-members-only-show-own-posts/#post-2884507)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [How to save array values in a widget](https://wordpress.org/support/topic/how-to-save-array-values-in-a-widget/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 0
    -  [14 years, 4 months ago](https://wordpress.org/support/topic/how-to-save-array-values-in-a-widget/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[bug?] Custom Post Type name conflict.](https://wordpress.org/support/topic/bug-custom-post-type-name-conflict/)
      [1](https://wordpress.org/support/topic/bug-custom-post-type-name-conflict/?output_format=md)
      [2](https://wordpress.org/support/topic/bug-custom-post-type-name-conflict/page/2/?output_format=md)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
    - 3
    - 24
    -  [14 years, 9 months ago](https://wordpress.org/support/topic/bug-custom-post-type-name-conflict/page/2/#post-2467783)
    -  [keesiemeijer](https://wordpress.org/support/users/keesiemeijer/)
 *  -  [single-posttype breadcrumbs issue](https://wordpress.org/support/topic/single-posttype-breadcrumbs-issue/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
    - 1
    - 0
    -  [14 years, 12 months ago](https://wordpress.org/support/topic/single-posttype-breadcrumbs-issue/)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *  -  [[Plugin: WP Coda Slider] – Shorthand and template code issues](https://wordpress.org/support/topic/coda-slider-shortcode-and-templatecode-issues/)
    -  Started by: [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
      in: [Plugins](https://wordpress.org/support/forum/plugins-and-hacks/)
    - 1
    - 1
    -  [15 years ago](https://wordpress.org/support/topic/coda-slider-shortcode-and-templatecode-issues/#post-2320703)
    -  [Mark Jansen](https://wordpress.org/support/users/mark-jansen/)
 *