add_filter the_content doesn’t work

With help from Milo I realised that ‘the_content’ wasn’t meant for the admin part of WP, which is why I didn’t see my var_dump as I expected.

Conclusion: A rookie mistake!

Related Posts:

  1. apply_filters(‘the_content’, $content) vs do_shortcode($content)
  2. the_content and is_main_query
  3. How to appending to the_content using add_filter with custom post type?
  4. How to wrap an element around an iframe or embed in content automatically?
  5. WordPress Internal @ Mentions
  6. Where to hook into post content?
  7. Insert Custom HTML After Shortcode
  8. Add whitespace between Chinese and other letters
  9. Hook added to the_content seems to be called multiple times
  10. Get excerpt from $post->post_content
  11. Add Class to Specific Paragraph of the_content()
  12. add_filter for specific pages
  13. What params are available with the_content filter?
  14. Using variable from one filter in another filter
  15. apply_filters(‘the_content’, $content) alternative
  16. What effect does the_content filter have on performance?
  17. How can I display image metadata?
  18. Add post/page ID to inserted links within the_content
  19. How to apply content filter permanently?
  20. How to prepend text to the_content, but after img/shortcode
  21. Format content value from DB outside of WordPress filters
  22. What is the filter hook for custom fields content?
  23. What functions are included in apply_filter(‘the_content’)
  24. Filter Gutenberg Blocks Content
  25. Return array of images after content
  26. Nested calls the the_content filter
  27. Editing
  28. the_content filter – checking the post
  29. Apply the_content filter, but prevent other hooked actions
  30. Wrap h1-h6 in a div
  31. How to change the order (priority) of registered filters (or actions) (e.g. for the_content)?
  32. Function the_content not working
  33. ‘the_content’ filter removing html tags from post content
  34. add_filter(‘the_content’, ‘…’) stops pagination from working
  35. Post Content, Special Characters and Filters
  36. Filter on the_content doesn’t update the content being searched via register_rest_route
  37. How to hide Ads in between posts on AMP? [closed]
  38. Add content as soon starts
  39. Remove Content Filter
  40. tag removed not using a filter
  41. Replace audio links with jplayer using the_content filter
  42. Add a div of content within the_content after a certain block
  43. How do you get specific tags from the_content?
  44. Can i use multiple ‘the_content’ filters?
  45. get_post() containing gallery is outputting an unmatched closing div at the end of the content
  46. Load Posts’ individual body content on index starting at char 200 of each post
  47. Excerpt is being added above the content, but it should be after it
  48. What is the earliest hook to modify post content?
  49. Filter content for get_the_content()
  50. Why is overwriting $GLOBALS killing the_content()?
  51. How can I get the default content of WordPress post?
  52. Email Obfuscation: Is antispambot() Acceptable? [closed]
  53. alternative to the_content filter
  54. add_filter to the_content after apply_filters
  55. How to stop DOMDocument destroying embeds?
  56. Scanning for custom embed and prefetching
  57. the_content getting current page content instead specified ID
  58. get_post() with filters applied
  59. How to wrap pattern-matches from the_content in [wiki]-shortcode tags
  60. Set Microsoft Word links to open in new window/tab
  61. How do I isolate the reason a wordpress filter is not running?
  62. the_content filter not working when Jetpack activated. Any idea?
  63. Apply a filter str_replace on specific caracters array in the_content()
  64. changing size image within the content
  65. Can’t get content of all (19) posts – Incomplete Chunked Encoding
  66. Add class to all parent elements inside the_content
  67. filter on the_content stopped working when I updated to WP 3.6.1
  68. post->post_content filter
  69. Replace image scr with it’s surrounding href
  70. After adding filter to plugin’s code, post’s content doesn’t display
  71. Limit total tags in the_content
  72. How to add defer=”defer” tag in plugin javascripts?
  73. How do filters and hooks really work in PHP
  74. Trouble understanding apply_filters()
  75. How would one modify the filtering Gutenberg applies to pasted content?
  76. apply_filters() slices away needed arguments
  77. How to override the email function by using filters? [closed]
  78. How does WordPress call functions attached to a certain action hook before calling functions attached to other hooks
  79. How to get current action?
  80. how to change appearence of the content of default post list columns?
  81. Use safety filters even if after applied intval?
  82. Create Page Template by hook programatically in Functions.php in WP 5.8.1
  83. how to use force_filtered_html_on_import in add_filter?
  84. Filter Hook callback error, is it due to using $this inside a filter or something else?
  85. Disadvantage of using filters & hooks multiple times
  86. Get The Caller (Plugin / Theme / Core) For All actions & Hook in WordPress
  87. How to trim white space in search terms?
  88. How do I hide tinymce within the edit screen of a particular page
  89. What would cause the gettext filter to not work for a given text domain?
  90. How do I safely force get_theme_mod() to use a defined get_option(“stylesheet”) value?
  91. Shortcode / plugin with custom (flexible) output
  92. Is it better to use a constant or apply_filter?
  93. Remove image of srcset
  94. Add option to query string before get_posts() is called on archive.php
  95. Modify wp headers on specific page
  96. How to make the show as a button?
  97. Take filter from multiple functions
  98. Read More in the actual excerpt
  99. WP REST API v2. filters doesn’t work
  100. NextGEN Gallery: Adding drop-down menu widget to gallery view without modifying plugin code [closed]