How to allow access based on the user meta flag

Related Posts:

1. How to authenticate/verify login credentials & check for user meta without logging in?
2. WordPress auto login after registration not working
3. Multi-steps WordPress registration : in 4 steps how to?
4. Authenticate user using Hashed Password in MySQL Query and C#
5. My custom page template with is_user_logged_in() does not detect that I’m logged in
6. Authenticate with a Rails app?
7. WordPress Authentication Middleware
8. wp_login_form() passing user ID into URL on redirect?
9. Rest API code to get ID of current user not working: get_current_user_id() gives 0
10. How can I authenticate user credentials against a WordPress instance?
11. Is possible to allow user to login with different role?
12. OAuth 2 and saving the authenticated user
13. WP not logging in at first time
14. WordPress Login Customization for External Authentication
15. Allow users to create post without logging in?
16. New user form rejected because “passwords don’t match”—but there’s only one password field
17. REST API: wp_get_current_user not working on second call
18. How do you manage your pages or functions that require logged-in users?
19. How to verify which WordPress user requested the API in ASP .NET Core?
20. Need to use WordPress page as authentication for different service
21. Authentication between two different sites using the WordPress login cookie
22. Use WP cookie to authentificate user on an external app
23. How to change default username field after login
24. The same session information for peer users on two different WordPress servers
25. Disable emails for new user registration
26. Check for empty username or password on login
27. throttle/limit a logged in user’s http requests to specific page on a per day basis
28. Securely log in a user without a password using a link?
29. WordPress – Security Question at Login from User’s Meta Data
30. How to track all users logged into a site?
31. Allow Html pages for users with specific roles
32. wp_authenticate_username_password not authenticating properly when pass username and password
33. Redirect Login Based on User Role
34. If the current user is an administrator or editor
35. Editor can create any new user except administrator
36. How do I add a field on the Users profile? For example, country, age etc
37. How do I display logged-in username IF logged-in?
38. How to allow an user role to create a new user under a role which lower than his level only?
39. user_login vs. user_nicename
40. How to programatically change username (user_login)?
41. Change the Author Slug from Username to Nickname
42. Remove Ability for Other Users to View Administrator in User List?
43. Difference between update_user_meta and update_user_option
44. Make display name unique
45. Make WooCommerce pages accessible for logged in users only
46. Find out if logged in user is not subscriber
47. WordPress usermeta scaling for thousands of users
48. How to get WordPress Username in Array format
49. Display user registration date
50. Get multiple roles with get_users
51. get_user_meta() doesn’t include user email?
52. Confirmation required on email change
53. How to Merge Two Authors Into One?
54. Whats the best way to share user data across multiple WordPress websites?
55. get_current_user_id() returns 0?
56. How to get userid at wp_logout action hook?
57. Groups of capabilities: users with multiple roles?
58. Is there a way to merge two users?
59. User-edit role setting distinct from wp_capabilities? [closed]
60. List users by last name in WP_User_Query
61. What’s the difference between the capability remove_users and delete_users?
62. How to restrict access to uploaded files?
63. Automatically delete inactive users after 2 months
64. How to change user_login with wp-cli?
65. Delete all subscribers from wp_users and wp_usermeta a few thousand at a time
66. Email user when password is reset by admin
67. Replacing the WordPress password validation
68. Ban a user and end their session
69. Allowing users to edit only their page and nobody else’s
70. How can 2 blogs share the same users
71. alphabetically order role drop-down selection in dashboard
72. Change the author slug from nickname to ID
73. Execute a function when admin changes the user role
74. How to check username/password without signing in the user
75. How to let contributors to create a new revision(draft) editing their published posts
76. how to use joomla password format in wordpress?
77. How to do get_users() with multiple meta_keys
78. Disallowing Users of a Custom Role from Deleting or Adding Administrators?
79. What the user_status column?
80. How to limit users to one comment per post
81. Different back-end language for different users?
82. Disable WordPress 3.6 idle logout / login modal window / session expiration
83. Hide Admin Menu for Specific User ID who has administrator Role
84. Migrating WordPress users into Disqus
85. Problem with Hebrew characters in username
86. Is there an upper limit for users in WP?
87. How to display the status of users (online – offline) in archive.php
88. Remove email verification when new user register
89. How to change user`s avatar?
90. How to set up User email verification after Signup?
91. Allow up to 5 Concurrent Login Sessions
92. How to let user set password on registration
93. How to hide media uploads by other users in the Media menu?
94. Show admin bar only for some USERS roles
95. How to display custom user meta from registration in backend?
96. Allowing an email as the username?
97. How to work around “that email address has already been used” error?
98. Get the name of user who updated post
99. Disable delete user
100. Grouping users under parent user