How to add or delete default value theme options while activate and deactivate theme

Related Posts:

1. How can I stop the hook from breaking the login/logout function?
2. Issues with title-tag and document_title_parts
3. Import WordPress XML File from Within Functions.php
4. Define custom Page Template without its own .php file
5. Does hooking into the same action multiple times drain memory?
6. How to influence the information displayed on widget inside wp-admin
7. Extract image from content and set it as the featured image
8. Is there a hook or function I can use to display all theme files being used on a current page?
9. Issue with get_theme_mod returning a blank value instead of the saved value
10. Add action hook conditionally – only when home.php in use
11. Show modified time if post is actually modified
12. why doesnt is_home() work in functions.php
13. How to create thumbnails for PDF uploads?
14. Implementing DNS Prefetching with WordPress
15. Help me to understand wp_header() and wp_footer() functions
16. How can I tell if I’m on a login page? [duplicate]
17. In WooCommerce I need to modify the thankyou.php page [closed]
18. How can I add an extra WooCommerce hook
19. Why get_header() or get_footer() does not run twice if called in the same php file?
20. Remove Page Title from Static Frontpage
21. How to override WordPress registration and insert an auto-generated username?
22. How to save Uploaded image in custom option panel?
23. How to add an export function to a custom Option Theme Page
24. Set default options for inserting media
25. Change parent theme file function in child themes functions.php
26. Adding extra SVGs to TwentyNineteen child theme using class TwentyNineteen_SVG_Icons
27. How to hook into the quick edit action?
28. gform_after_submission content appears immediately after , not in post body [closed]
29. How do I change parameters without changing the core
30. Is it possible to be more page/post specific with admin_enqueue_script?
31. WooCommerce add_action hook results in 500 error
32. Theme options WP Editor
33. Issue adding text after short description on product pages Woocommerce [closed]
34. Customize “the_posts_pagination” and put list instead div
35. Increment price for Woocommerce Minicart [closed]
36. how to change link of some wordpress pages
37. Gravity Forms field entries into wp_query loop [closed]
38. Post thumbnail relative link and HTML modify
39. Proper way of using functions in action hook?
40. How to preserve edits to Name or Slug of term when using wp_update_term on save?
41. Accepted arguments value in hook functions
42. Get current page_id before loop, in functions.php
43. How to properly add function called by action-hooked function to functions.php?
44. Which action hook to use for function?
45. Change size and crop medium_large images
46. Gravity Forms – Using a Form to Pre-populate A Gravity Form [closed]
47. Simple custom theme option not being saved
48. Running a script before absolutely everything
49. Inserting a functions output after the content
50. How to display post content instead of excerpt
51. Add function to every post?
52. Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘greenday_head’ not found or invalid function name
53. Why does the ‘wp_nav_menu’ function work only until a menu is created?
54. Modify a function without editing template
55. Don’t delete a page if it holds users
56. Problem only while using require_once() within functions.php
57. Passing values from a widget to a function within a plugin
58. Image rotation fails to regenerate custom sized thumbnail
59. Which action does wp_update_user triggers?
60. How can I get my Script to work on the Login page?
61. WordPress comment processing . Default unapproved comments detection before posting
62. Warning at top of website & top menu gone
63. Does hook have an effect on increasing the page load?
64. Save_post – Warning: Cannot modify header information
65. What is the earliest Hook a Script can use?
66. Populate acf-field, depending on block name
67. How to use WP conditional tag in a functions.php with OCEANWP Theme?
68. custom error message for empty username and password using authenticate filter not working
69. How Do I Unhook This Parent Theme Function?
70. Get post_author email for Zapier Integration
71. Calling hooks in functions
72. How to add custom column into custom post, when field is select
73. True email confirmation for registration (keeping unvalidated users from user table)
74. WordPress hooks to call a function inside a construct
75. WordPress undefined function error on using add_action() in functions.php
76. How to echo the translated custom field?
77. Adding a meta box fields to child theme options page
78. Function the_content
79. save_post hook – headers already sent?
80. Init hook for header send
81. theme options not saving
82. Add custom fields after post/page title
83. Force resize for all video content
84. Unhook the comment form in Buddypress
85. Why wp_ajax hooks doesn’t work?
86. Hiding Google Analytics code based on theme options
87. How can I append and prepend something to all post hyperlinks without using ::before or ::after? PHP hook solution?
88. Why functions metaboxes is causing White Screen in Admin [closed]
89. How do I add functionality to images?
90. How to hook wp_mail to add a custom email as BCC for each sent email?
91. Why don’t ‘wp_nav_menu’ CSS classes work until a menu is created?
92. image_size with respect to aspect ratios
93. delete_term is not working properly with add_action()
94. Get category of post inside save_post hook
95. Create section wit form
96. Log in and out using custom pages, no logout confirmation and redirects for logging in and out 2023
97. Copy and Modified WooCommerce function is_coupon_valid [closed]
98. Function attached to cron job not running but will run if called manually
99. How can I able to exclude ‘Category’ and ‘Tag’ slug from the URL in WordPress without reloading to new site?
100. Redirecting after login except for a specific page