Redirect customer to login if not logged in when proceeding to checkout

I think woocommerce_proceed_to_checkout is an action, not a filter.

See http://hookr.io/actions/woocommerce_proceed_to_checkout/.

For the difference between actions and filters check out this question: Difference Between Filter and Action Hooks?

Related Posts:

  1. Redirect logged in users if they are on a specific page
  2. after login that will redirect user role into a page
  3. Redirect users on specific post category or category page
  4. Stuck in redirect loop after using wp_login action
  5. Firing a function AFTER redirect
  6. A good hook to check authorization and redirect?
  7. What hook to use to redirect based on $post
  8. How to read and write session data?
  9. Template_redirect works, but headers aren’t sent when checking via cURL
  10. template_redirect hooks redirect wrong URL
  11. disable publish button until condition is not met
  12. How to get WordPress’ hooks/actions run sequence?
  13. How many times can I hook into the same action?
  14. Is there a hook before the user is authenticated?
  15. Hook into WordPress update?
  16. switch_to_blog(): Load textdomain
  17. Can I hook inside another hook?
  18. Adding function directly vs using hook in function.php
  19. How can I send to multiple Contact Form 7 recipients based on form input? [closed]
  20. What is the action hook for save media-form on gallery tab?
  21. The ‘user_has_cap’ hook seems to take two page loads to trigger
  22. Check if action hook exists before adding actions to it
  23. Post-Registration, post-meta hook?
  24. Removing action added from constructor
  25. Detect type of post status transition
  26. Create hooks based on an array of hook names?
  27. Access post meta just after publishing
  28. update post meta using user_register hook not working
  29. how to create endpoint for downloading pdf files?
  30. hook to get (and change) the search string before processing
  31. Is there a recover_post hook to go with trash_post hook?
  32. How to override languages files in wp-content/languages/themes with child theme
  33. hooks & filters and variables
  34. How to increase password requirements for registration [closed]
  35. Can user_register output the password?
  36. Run add_action hook if condition
  37. Gutenberg gallery hook errors
  38. How to change title attribute returned by comments_popup_link()?
  39. How to use do_action_ref_array?
  40. Problem using role_has_cap hook
  41. How to find hooks as per Just-In-Time approach?
  42. WordPress action and filter hooks runs asynchronously?
  43. Prevent attachment from being deleted
  44. Update post meta using pending_to_publish hook
  45. Get log of function/method calls made by do_action() on WordPress initialization
  46. Is it possible to change image urls by hooks?
  47. User update hook
  48. register_activation_hook not updating
  49. Redirect in form handler causing form to be submitted twice
  50. Checking login status before wp_get_current_user is initialised
  51. Add media library tab
  52. Conditional hook [closed]
  53. Add_menu_page() error message -> “You do not have sufficient permissions to access this page”
  54. Where is the right place to register/enqueue scripts & styles
  55. Displaying list of cities according to the selected state. Using the WordPress hook
  56. Removing parent theme action on pluggable function not working
  57. Removing a Filter
  58. Which action hook should I use to intercept a form upon submission?
  59. Would there be anything stopping me from removing both wp_head and wp_footer?
  60. Where Are Hooks?
  61. WordPress wp_loaded action hook
  62. Check if `do_action()` in WordPress returns any result
  63. How to cancel an action hooked to untrash_post? or any hook
  64. add_action hook for publish_post not working
  65. Modify Notification Message When Profile Updated
  66. WordPress plugin activation, deactivation and uninstall hook not being triggered
  67. Hook for inserting?
  68. How to stop WordPress from updating the post meta
  69. Can an RSS item be altered with a hook?
  70. Block Update Profile Errors
  71. Thickbox ‘tb_unload’ function being called twice
  72. How to remove a meta description or other contents
  73. Hooking save_post breaks check for term in added_term_relationship hook?
  74. Restrict editing of post type to list stored in user meta
  75. Delay action unltil the untill previous (hoocked) action is completed
  76. Rewrite the search page to use an appended slug + parameter
  77. What is the hook to remove a menu items group from Appearance > Menus column Add menu items
  78. Add stuff above header edit form
  79. Redirect from wp-admin back to page
  80. do_action not working in loop
  81. add_action doesn’t work for my function
  82. Add HTML code before the title of the Tag page
  83. WP_mail() Issue. Duplicate emails if $_GET[‘A’] == email
  84. Hooks with same priority number. Can one stack items returned in divs, position: absolute each with their own z-index?
  85. trying to locate the correct file to edit my internal linking anchor tags
  86. Can add_image_size be added earlier
  87. Hook to change Author Info
  88. ‘Conflict’ with action deleted_post and is_admin()
  89. Send email to post author 1 day before his project ends
  90. Which hook should I use for this scenario regarding the registration process and account/profile update?
  91. can’t access dashboard and showing forbidden page
  92. prepopulate form from a hook within wordpress function.php file
  93. Query author’s posts & posts that have author’s id as meta value
  94. Change Title Type
  95. admin_post hook not working
  96. What is meaning of BEFORE and AFTER in this hook name?
  97. How to display before H1 Title
  98. How to set Post ID from context to an attribute in child block of Gutenberg Query Loop
  99. Callback API for getting response from fygaro payment gateway
  100. Changing login url
Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)