Sanitize textarea instead of input

Since WordPress 4.7 there is sanitize_textarea_field().

Which does exactly as you want, from the Codex.

Sanitizes a multiline string from user input or from the database.

Related Posts:

  1. how to get list of all users and their metadata
  2. add_user_meta() vs update_user_meta()
  3. How to make a custom column on the Users admin screen sortable?
  4. wp_update_user doesn’t update and update_user_meta does
  5. Get basic Image Uploader on User Profile Page
  6. Return all users with a specific meta key
  7. Capabilities Vs User Meta
  8. Problem storing arrays with update_user_meta
  9. wp_get_current_user always returns 0
  10. get_users is expecting unserialized meta_value
  11. remove user_meta data from database for all users
  12. How to get last login Access Date and time
  13. How to get user metadata for social media url?
  14. Admin user edit – Grab newly submitted user meta immediately after update/submit
  15. how to get specific fields from get_user_meta()
  16. Validating a new user registration field
  17. Check if WP_User_Query ‘include’ is empty
  18. User meta to post
  19. wp_get_current_user in custom file returns 0
  20. Is there a limit to the length/size of serialized data that can be stored as user meta?
  21. Add profile field (usermeta) to Add New User
  22. very last action before during user registration before he is redirected to homepage
  23. Customizing WP tables or adding new ones?
  24. How to Make admin Sidebar Menu always be Collapse by code
  25. Are the default entries for a user in wp_usermeta documented?
  26. get_users / WP_User_Query returns empty when logged out
  27. update_user_meta adding new rows in db for same key
  28. How to query users by meta value, even when meta key doesn’t exist?
  29. What is the meta-box-order_post_hash used for?
  30. Add a member number to new user
  31. Allow role to edit users at lower level with only specific metadata
  32. Hook or action to save profile fields at specific time
  33. User meta conventions / name registry, for social media links
  34. Get user’s ID on logout
  35. How to get the user description with get_users?
  36. get current user not working
  37. Multiple User-Meta Values in One User-Meta Key
  38. Getting $user_id for the_author_meta outside the loop in multisite
  39. Gravity Custom Merge Tags [closed]
  40. No first_name or user_firstname property in WP_User object
  41. How to insert new element to existing array in usermeta?
  42. Possible bug: update_user_meta is updating two unique meta entries
  43. Update user meta through a front end form
  44. What is the difference between get_the_author_meta() and get_user_meta()?
  45. How to display current_user bio
  46. Is a user_meta research case-sensitive or not
  47. Store user’s registration date as meta
  48. Can I prevent “wp_user_level” from getting added to wp_usermeta on registration?
  49. Get the Google+ and Twitter links – WordPress SEO plugin
  50. How to tell whether a user meta value has increased or decreased [closed]
  51. Showing all users who match 2 meta fields with current user
  52. Adding current user’s ID to the end of PDF hyperlinks in post content
  53. update_user_meta() not working
  54. How to display user’s avatar on their profile page?
  55. Send mail to user only once when specific check box is selected and updated from profile meta updated by admin
  56. WP_user_query throws a 404 error
  57. Incrementally add or substract from usermeta field
  58. add custom field in user register form
  59. Is it possible to read a result if wp_update_user or update_user_meta fails?
  60. set a user-meta key as avatar
  61. Prevent update of custom user profile meta field on the front end after 1st entry
  62. User last login and user last visit problem
  63. Why get_users() not working on the admin backend?
  64. Can I set user meta for theoretical user 0?
  65. Is there a way to append meta data without creating a race condition?
  66. strange issue with user_meta + json_encode/decode
  67. Inserting and finding multiple values in user-meta fields
  68. Update user meta on logout
  69. update_user_meta after wordpress in action hooks
  70. Adding user data to an existing user_id
  71. I want to update my user meta table
  72. Problem to wp_hash
  73. trying to determine if meta value exists for user and if not auto submit gravity form to redirect
  74. Subscribers Group User meta delete
  75. action user_new_form param is a string
  76. Redirecting users based on custom user meta
  77. Customize Avatar using user meta
  78. get_user_meta returning old data
  79. Why does the usermeta table contain html entities?
  80. get_user_meta returning empty when it’s NOT empty
  81. How can I programmatically show a specific (template) page, like author.php?
  82. WP_User_Query not returning users with meta – what am I missing?
  83. Multiple meta values for one meta key
  84. When is a user’s meta data table loaded?
  85. Display and Update User Custom Meta via user-edit.php
  86. Multiple Email Addresses, One User
  87. WordPress REST API and User meta data
  88. How do I add a dropdown list of numbers 1 – 1000 as an extra profile field?
  89. Get user meta for only the keys with a certain prefix
  90. Serializing User Role for update_user_meta
  91. Randomize Users
  92. Get user_meta values for a user for an array of meta_keys?
  93. Fetch user related data
  94. Displaying field value in new column in users view on wordpress
  95. Does meta-data need to be sanitized?
  96. add_user_meta allows multiple clicks and inserts more than 1 value
  97. Add user meta fields on creating the user
  98. “Select your country” landing page. Remember user choice
  99. How get meta from all users?
  100. Order By Meta_key but convert custom date to Y-m-d first
Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)