Function to allow “Anyone can register”?

You can do it by using this code:

add_action('init', 'update_anyone_can_register');
function update_anyone_can_register() {
  update_option('users_can_register', true);
}

I tested on my functions.php file and it worked as expected.

Related Posts:

  1. How to pass external variables to the wp_new_user_notification_email filter?
  2. How to display all post from the same current usermeta
  3. Changing starting number of User ID
  4. User registration add user ID?
  5. How to change the default registration email ? (plugin and/or non-plugin)
  6. How to update the delete user confirmation form?
  7. Integrating WordPress to my website, while keeping my own authentication system
  8. Modify custom Users Manage page
  9. How to Save Different Usermeta Fields According to User Role?
  10. generate unique number when registering a user
  11. Adding extra info via GET while registeration in wordpress
  12. Authenticating to WordPress, using my own authentication two-factor system
  13. Many users with strange names register, but don’t leave comments. Should I be afraid?
  14. Set user loggin status?
  15. How can I add data to a custom column in the Users section of the wordpress backend?
  16. Unique User Account Number + Displayed Via Shortcode
  17. Last time a user logged in
  18. Updating Custom WordPress User Meta Field via REST API
  19. How can I allow access to multiple users, using the same login, at the same time?
  20. Creating user relationships
  21. Add custom user profile field to default WordPress MultiSite registration form
  22. What’s wrong with Customizing new user notification email by add_filter?
  23. Make custom user table column filterable
  24. Add ‘Creator’ User Meta when adding user
  25. Follow me for WordPress blogs (multi-authors)
  26. I want to submit multiple users if checkbox is checked
  27. Change the Labels of Users to Customers in Admin
  28. user_profile_update_errors hook not executing
  29. How Can I Move Data From Form 1 To Form 2
  30. Auto login from custom registration form
  31. Diffrent User registration form for doctor and patient
  32. User can not login
  33. Allow guests to use WP Customizer but disable save button
  34. Users can only view their content from the front end
  35. List top 5 authors with most posts
  36. Multi-site User Sessions
  37. Add Field to WordPress Register Form
  38. Problem with custom user meta field
  39. Customizing Users in Admin Area
  40. how to make a custom field readonly or disabled by user role?
  41. How to make wordpress use a non-wordpress users table?
  42. Custom login and registration forms
  43. Create Unique ID for user
  44. Custom Register Link on Backend Form
  45. Personalized Gallery what are my options?
  46. how or where wordress collect unlogged user session
  47. Hook before user is created and make some custom validation
  48. How to change the login page without a plugin and not only customizing logo and text around the form?
  49. No plugin populate user information in to form
  50. Invitation link to a site in multisite network does not work?
  51. WP_User_Query Search Multiple Keywords from a Multi-Select Field?
  52. Highlight specific user with custom field value
  53. Change the functionality of wordpress users module in admin
  54. Custom user fields validation on registration
  55. Custom options – register, defaults and delete empty fields (Settings API)
  56. add unique code required to register
  57. Custom search by several options send on form not works
  58. How to create functions that affect only a specific user
  59. Create users via PHP
  60. Use wp_login_form function to login with a custom user table?
  61. How to get value from wp_usermeta table in database?
  62. Is it possible assign a secondary existing role to already existing one?
  63. Redirect all pages to the custom login page except for the registration page
  64. User Query Multiple Orderby Clause
  65. Some data of one custom user profile is erased when I update another custom user profile
  66. Essential technical features for high-end WordPress web hosting? [closed]
  67. How To Add Custom Form Fields To The User Profile Page?
  68. Default value for add_settings_field
  69. Disable Visible Edit Shortcuts in the Customizer
  70. How to make a script load after Custom Block is loaded in the editor?
  71. How to edit the actual paragraph dropdown in TinyMCE with custom text styles
  72. Force display name as full name
  73. Add control in image detail panel
  74. using upload image with media_handle_upload .. but !
  75. wp_nav_menu() custom container and container_id
  76. No option to add a ‘featured image’ in my wordpress installation
  77. FireFox Inspector :: find CSS file related to
  78. How-to inspect filter-able $vars?
  79. pagination in woocommerce order history page
  80. Combine multiple words in custom meta search query
  81. How to run a test WordPressMu to WordPress3 update?
  82. Comparing two WordPress installations
  83. WordPress development using Docker – how to share directories? [closed]
  84. How to add more than one RSS Feed Link for wordpress
  85. custom session variables being lost in FF [closed]
  86. How to link external JavaScript files?
  87. How to create a list of items with fields in WordPress?
  88. For custom templates, is it better to use `template_include` or `type_template`?
  89. Remove ability to Permanently delete an image from the Media Library
  90. Filter posts by custom taxonomy terms
  91. shortcodes – style them or change/remove the square brackets?
  92. Dynamic title in WordPress homepage
  93. Custom title, Bones theme
  94. How to create a completely private wordpress with multiple membership levels
  95. Why do posts disappear from admin after upgrading from WP 2.7.1 to 3.0.1?
  96. How to change the category url jusy show /category/%category_id% in wordpress?
  97. How can I display a PHP foreach loop’s answers by AJAX
  98. Child Theme with multiple css files
  99. How can I make a search term redirect to a page
  100. How can I get the Media Library backend to show larger thumbnails?