Automatically add custom fields (post_meta) to all published posts, hourly, via wp_cron?

Related Posts:

1. How to run a function every 5 minutes?
2. Do WordPress’ cron’s clean up expired transients?
3. Add options to featured image
4. Change meta tags programatically
5. Use a function to update post meta based on other post meta
6. update_post_meta for custom field not working upon form submission
7. Automated mark posts as featured every day
8. WP_Cron doesn’t do the job: Multisite stats
9. Assign category using custom field?
10. Convert User ID’s to User Names in a single.php file
11. Can’t check if a post has thumbnail adding filter to get_post_metadata()
12. Move Post to different category if post_meta field is 0 or is 2 days old?
13. Create cron job for update translations automatically
14. What WordPress function to use to get meta value by using meta keys?
15. Default Custom Field Value Automatically Update
16. Post meta not updating
17. Function to update post_meta based on existing post_meta
18. Exclude from the query posts with meta_key and meta_value
19. WordPress function, Run using Crontab
20. Prevent custom field from being updated after first publish
21. Get array of metakey in all posts
22. User function to return multiple get_post_meta()
23. What are the meta fields for an attachment?
24. Display a random tag but using cron to control frequency of change
25. How to avoid saving empty data to sql while using add_meta_box
26. How to change text color depending on the number value (Using javascript)
27. How to add custom metakey to shop_order page’s searching function?
28. Bulk updating a group of WordPress Pages every 10 minutes
29. Writing a function for WP Cron to run a SQL command daily
30. Update wp_postmeta table based on 2 keys
31. Deleting guests profile users after 1.5 hours
32. blank page with wp_get_attachment
33. Scheduled post delete – can’t pass the cron arguments
34. Reference multiple style sheets, clearing styles for permalink page, custom fields for css
35. How To Display Author Popup on Entry Meta (Genesis Framework)?
36. Creating a “Related Meta” type field?
37. Remove post from latest posts after a month only with certain tag
38. save_post doesn’t correctly process function call with php class
39. Return ACF Field value function
40. update_post_meta not working in function
41. How To Get WordPress Categories Last Update Date?
42. How to add a meta information to the URL?
43. update_post_meta after form is submited
44. Add custom fields after post/page title
45. Display post_meta-by_key on product catalogue
46. How to save custom made object in an array in a post meta field
47. Adding and updating repeating custom field meta data
48. Working function() doesn’t execute when triggered by WP CRON
49. Update post meta with wp cron
50. HELP: Code To Check Status And Write Debug Entry
51. Function attached to cron job not running but will run if called manually
52. Submit CF7 form programmatically with WP-Cron?
53. Cron Register everytime if i reload admin if i pass some extra argument in wp_schedule_event function
54. Missing feature image link function
55. What’s the difference between home_url() and site_url()
56. Remove “Category:”, “Tag:”, “Author:” from the_archive_title
57. get_template_directory_uri pointing to parent theme not child theme
58. How to customize the_archive_title()?
59. remove empty paragraphs from the_content?
60. What is the “with_front” rewrite key?
61. Why use if function_exists?
62. How to override parent functions in child themes?
63. wp_enqueue_script was called incorrectly
64. Add multiple custom fields to the general settings page
65. Ajax call always returns 0
66. 400 bad request on admin-ajax.php only using wp_enqueue_scripts action hook
67. How long does a deprecated function live in core?
68. Solution to render Shortcodes in Admin Editor
69. How to add a data attribute to a WordPress menu item
70. What’s the difference between esc_html, esc_attr, esc_html_e, and so on?
71. remove_action on after_setup_theme not working from child theme
72. plugins_url vs plugin_dir_url
73. Remove type attribute from script and style tags added by WordPress
74. Best way of passing PHP variable between partials?
75. Upload Multiple Files With media_handle_upload
76. How to display custom field in woocommerce orders in admin panel?
77. Adding fields to the “Add New User” screen in the dashboard
78. Issues with title-tag and document_title_parts
79. How do I get the current edit page ID in the admin?
80. How to check if a user exists by a given id
81. Why isn’t is_page working when I put it in the functions.php file?
82. Add tags to the section via functions.php
83. Add image size if page template
84. How to create a custom order status in woocommerce!
85. Remove Actions/Filters added via Anonymous Functions
86. Adding a second email address to a completed order in WooCommerce [closed]
87. How to load parent_theme functions.php before child_theme?
88. How to load scripts/styles specific for a page
89. Programatically add options to “add new” custom field dropdown
90. Is there any global functions.php file which works for any theme?
91. Excluding iPad from wp_is_mobile
92. When should you, and when should you not, use wp_list_pluck()?
93. Get the ID of the page a menu item links to?
94. Add container to nav_menu sub menu
95. Difference between the_permalink() and get_permalink() function
96. What’s the difference between WordPress random_int() and PHP built-in function random_int()?
97. Child theme – Overriding ‘require_once’ in functions.php
98. Link to user’s profile settings page?
99. WordPress Enqueue for homepage only, functions.php, wp-framework
100. get php variable from functions php and echo it in theme template files [closed]