‘save_post’ hook not working in WP 3.5

attachment_fields_to_save is still called.

Just tried out this on my wordpress 3.5. installation and the following code killed wordpress when saving an image.

add_filter('attachment_fields_to_save', function() {
    die('attachment_fields_to_save');
});

Related Posts:

  1. trigger save_post event programmatically
  2. Wp_update_post: Infinite loop even with remove_action solution, OOP
  3. Is it possible to save/modify a post without calling the “save_post” action hook?
  4. Returning ACF custom field from publish_post
  5. How to check what kind of saving it is?
  6. How to catch and modify custom field values when a page is updated
  7. Conditional for autosave or auto draft?
  8. save_post hook to add terms getting deleted when using bulk edit
  9. Add action save post when create and publish
  10. remove_action(‘save_post’) in function that was triggered by save post not working
  11. set_post_format called after wp_update_post when using bulk edit?
  12. WordPress save_post hook not firing when checking if _GET[‘post’] is set
  13. How do I set a custom post type Category after import using wp_set_post_terms
  14. Show admin notice if metabox field is empty during save post
  15. update ACF field when saving post on back office
  16. WooCommerce: change display order of product short description and price [closed]
  17. Is there a WordPress core & plugins update action hook?
  18. is it possible to get the hook name in add_action?
  19. What hook is executed just after wp_query has been executed?
  20. How to properly test a method that is called by an action hook
  21. How can I do customizations on login, registration and password recovery forms?
  22. Can’t get ID of post that relates to the comment
  23. Custom form action hook
  24. How to send an automated user ‘inactivity’ email?
  25. How do I successfully create a hook for an email override?
  26. Placement of Code in Plugin for hooking `save_post`
  27. WooCommerce – Overwrite action hook [closed]
  28. Admin Hook at the Login Page
  29. Cast string to number
  30. How to debug user_register hook
  31. Storing state between hook functions
  32. What’s the difference between “wp” and “wp_loaded”?
  33. WordPress capabilities and restricted categories access
  34. Hook when new CPT published AND postmeta inserted
  35. How to use custom form on add_meta_boxes callback
  36. Is it possible to switch Gutenberg’s editor styles when document settings change?
  37. Updating post data on save (save_post vs wp_insert_post_data)
  38. schedule event in class oriented plugin
  39. Action hook for custom tax edit
  40. How can I find the hook I need to rewrite a function?
  41. Displaying list of cities according to the selected state. Using the WordPress hook
  42. Show message in media-new.php
  43. Removing parent theme action on pluggable function not working
  44. Removing a Filter
  45. Which action hook should I use to intercept a form upon submission?
  46. Would there be anything stopping me from removing both wp_head and wp_footer?
  47. Where Are Hooks?
  48. WordPress wp_loaded action hook
  49. Check if `do_action()` in WordPress returns any result
  50. How to cancel an action hooked to untrash_post? or any hook
  51. Defining hooks within (php)classes?
  52. Divi hook not working [closed]
  53. Add WordPress hook outside of Plugin or Theme
  54. How to perform action when plugin/theme editor is used?
  55. How to run hooks one by one manually?
  56. What is the proper hook to use for recording a post view?
  57. How to load this code on function.php
  58. Woocommerce single_product_summary hook not working
  59. Where is publish_post hook fired?
  60. A good hook to check authorization and redirect?
  61. Catch and display error on save_post action
  62. Bloginfo hook – can it be more precise?
  63. Custom posts and get_post_meta in {$post_status}_{$post_type}
  64. Hooking custom PHP output into WP: how to do it, parse_request almost works but not quite
  65. Print on screen during shutdown hook – error during saving in theme-editor.php
  66. How to stop execution of a function via add_action hook?
  67. changing genesis_before_while in new theme framework
  68. Moving Javascript from footer to header
  69. Adding a new hidden field based on a condition in Ninja Forms
  70. Forcing WooCommerce customers to create account before checking out
  71. Store user ID on wp_term_taxonomy when new term inserted
  72. ‘user_register’ hook – need to distinguish if created from wp admin panel
  73. Make multiple URLs behave as home page
  74. Issue migrating a checkbox-type meta field to the block editor
  75. Transition_Post_Status hook not working properly
  76. Wodpress XML Import hooks
  77. profile_update hook does not fire from front-end
  78. wp_update_post not getting triggered by hook
  79. How to get user profile information before update?
  80. Why is pre_get_posts hook invoked multiple times?
  81. Undefined fieldId in gform.addFilter for limiting dates in datepicker – Gravity Forms
  82. Get First Post content and edit it using pre_get_posts (or similar?!)
  83. Are there Hooks for featured image popup?
  84. WordPress sending data with add_action
  85. How to hide / remove attachment “alt” or “caption” field in Admin?
  86. Why does get_post() not return anything?
  87. Hourly events don’t get triggered
  88. Access post meta just after publishing
  89. Which hook runs first(init,… or ???) [duplicate]
  90. Using actions, hooks and filters in a non-WordPress page
  91. Which hook should I use for this scenario regarding the registration process and account/profile update?
  92. Hook into create_category
  93. Redirect back to origin page after using get_delete_post_link()
  94. $GLOBALS & global doesn’t work [closed]
  95. Is there any Reference of WordPress hook and hacks? [closed]
  96. Thesis Theme -> hooks not working for custom function
  97. Can I display text that’s generated by a hook in another place in the HTML?
  98. Get post ID before add_theme_support
  99. Is there a way to assign a default Category to a Post when the user creates a new Post?
  100. is_user_logged_in() doesn’t work after custom login and redirect