Using `send_headers` action to set `X-Frame-Options` not really working

Using `send_headers` action to set `X-Frame-Options` not really working

Related Posts:

  1. How to set custom cookies before output
  2. How to stop loading multiple copies of jquery
  3. Creating a WordPress form with a PHP script and default header
  4. Why isn’t my if/elseif/else working correctly here?
  5. StudioPress: add meta tag to every page [closed]
  6. Add custom HTML to posts page
  7. Using PHP to toggle stylesheet and header image, set in cookie
  8. Mysterious HTTP 404 header in my own scripts
  9. Change logo based on incoming domain
  10. Echo URL of large version of Featured Image
  11. Conditional Header in wordpress
  12. add_image_size for header_image
  13. Responsive Header for Phone
  14. My php header() function is not working [closed]
  15. “imagejpeg” function is not working in wordpress
  16. wp-comments-post.php file returns a blank page
  17. Insert custom PHP head above in WP pages
  18. Headers already sent in Pluggable.php / homepage and wp-login error
  19. Is_front_page inside header.php is always returning true
  20. Does wordpress templates always in files or in database?
  21. Adding Meta Tags to a Post using its Tags, Excerpt and content
  22. Moving code from theme header to functions.php
  23. WordPress wp_redirect error
  24. Having Issue on Redirecting With Session in WordPress
  25. linking stylesheets and scripts with functions.php
  26. Location of core code for database connection and get_header
  27. Clickable image link sends people to wrong URL
  28. unknown issue in ‘header.php’ preventing theme from displaying fully
  29. How can I use a sliced image As banner? [closed]
  30. Add meta tags to a custom header
  31. Is this a correct usage of ob_start() in my WordPress project?
  32. Change header on pages displaying taxonomy items
  33. Custom CSV exporter – Cannot modify header information – headers
  34. How to add Post Tags to a new element in header.php?
  35. setcookies and header send
  36. How to internationalize header image?
  37. Custom functions for string data calculations
  38. How do you remove header sitewide from mobile only?
  39. WP_REST_Response – How to return Gzip answer and add Content-encoding header?
  40. How do I use an iFrame for my header in WordPress twenty seventeen?
  41. WordPress can’t use ZipArchive
  42. Reliable way to add nonce to HTTP Header in WordPress?
  43. How to remove get_header From all single pages in wordpress with functions.php without plugin?
  44. Display values of current POST request on page
  45. Changing ALT-tag for logo in wordpress
  46. Using Javascript On Page – Header and Footer Now Missing
  47. Modifying child theme’s header
  48. Add my footer menu to the header
  49. Change headers for one custom PHP file
  50. Premature end of script headers: wp-mail.php?
  51. setcookie() issues on running with HTTPS on WordPress
  52. Allow user to choose header style
  53. How to include different html tags in the header for different pages?
  54. Use header option on wp-login page with a second logo
  55. my site show this symbol (::) between site title and tagline
  56. Headers Already Sent
  57. Changing 2011 theme header image based on user dropdown
  58. Converting Menu Links to List Elements
  59. Warning: Cannot modify header information (with a twist)
  60. Cannot get custom javascript to execute on page
  61. Cannot modify header information – headers already sent
  62. Dynamic Email Handler with ‘header (“Location: …’
  63. Disable astra_get_search_form from generating in header [closed]
  64. An audio player that showcase a random song from playlist every 24h [closed]
  65. how to prevent wordpress admin from logging in via woocommerce my-account page
  66. get_the_ID() in the footer returns wrong value
  67. Rewrite with pagination /foo/page/2/ to posts of a given category, page 2
  68. Trouble inputting variable into WP query
  69. How to get the last category name of a child category?
  70. Add html link in functions.php files of the theme
  71. How can I add a UTM tag with PHP code to pick up the post slug dynamically in the UTM?
  72. How do I include SVG file used as featured image?
  73. Use value from Ajax call in PHP function
  74. require_once() if a product in woocommerce contains a tag [closed]
  75. the_posts_pagination() not working in wpquery
  76. Automatic excerpt is not shown with the_excerpt() command
  77. Using ob_start and ob_get_clean with wordpress shortcode
  78. Change “No Comments” link to “My String” on Blog Post (Find Snippet in Code or use CSS, PHP Solution) [closed]
  79. Return product description
  80. How to add the sidebar to all the pages except the home page? [closed]
  81. Header not properly displaying on archive.php
  82. Custom meta box values are not getting saved for my custom post type
  83. Get the last 5 products from each category
  84. How to say if meta_value is greater than 0 in an array?
  85. Getting users with a specific meta data and then querying their posts?
  86. Why does the post_type_link hook everything twice?
  87. Adding a tag_ID column into Categories inside the admin dashboard?
  88. How to pass a variable into an add_filter() function?
  89. locale filter function running multiple times
  90. Multiple requests external data api dynamic block gutenberg
  91. Why does the Woocommerce grouped template prints the unpublished products?
  92. Woocommerce with Lazy Load php and ajax
  93. Adding conditional text to a PHP Shortcode Template
  94. How do I get the content excerpt of the recent post?
  95. How to check $_GET isset for a parameter and value? [closed]
  96. How to deal with too many $_POST variable conditions from ajax request at backend? [closed]
  97. Making your own custom post views count
  98. Save Custom CSS file in the upload folder dynamically?
  99. How to use two meta_compare in an array?
  100. How to update and save user metadata on page visits?