attachment_fields_to_save first parameter is null

Related Posts:

1. Programmatically get images by URL and save in uploads folder
2. How to find attachment by it’s name?
3. Insert an image into a post by API
4. Programatically creating image attachments from local URLs and setting featured image
5. Show prev and next post links for parent post of current image in attachment page?
6. Make alt text required when setting a featured image
7. Customizing the attachement page to show rest of all images in a gallery from post
8. How do you import images from a URL in your post?
9. Retrieve Image Attachments Getting Post Thumbnail Image First
10. Custom image size not displaying with wp_get_attachment_image()
11. How to echo images Urls from a wordpress post, that are relally in the post
12. Troubles with code for upload a image
13. How can I use an image from an external source without uploading it to the media library
14. Filter to remove image dimension attributes?
15. Stop wordpress from hardcoding img width and height attributes
16. how to get original image using wp_get_attachment_image_src
17. Get the first image from post content (eg.: hotlinked images)
18. WordPress adding scaled images that don’t exist (1536×1536 and 2048×2048)
19. Is there a hook which fires after all thumbnails are generated?
20. Featured image shortcode
21. Cropped featured image replaces original image in gallery
22. Image Scaling using get_the_post_thumbnail issue in WordPress
23. How do I delete all generated images from my server except those currently used in posts
24. How to create thumbnails with a fixed width, so all of them will have the same width?
25. Theme Customiser Image Control
26. Get attachment ID of author_meta image – Attachment Metadata
27. Black and White thumbnails
28. Associate an existing image with a post
29. How can I add the “Use as featured image” to a custom metabox?
30. How to remove title attribute from gallery links and images
31. Adding Featured Image to Post programatically
32. Get an image from url in front end submission form
33. How can I remove the image attachment ALT field?
34. Open the attachment details modal
35. How to upload image without post ID using the new media uploader?
36. How do I delete thousands of unattached images?
37. How to output placeholder image if no featured image set?
38. Featured Images on Front Page
39. Download button for Featured Image in every post – automatically
40. How can I get a different image size, if all I have is the link?
41. Re-process Images
42. Add a featured image in my theme?
43. Featured Image .svg height and width 1px only
44. How to check if user is uploading/setting an image as a featured image?
45. Why can I not view image attachment pages?
46. Images are randomly deleted from server
47. Thumbnails are bigger in size than the original image
48. Link to full size image or attachment page in photo theme
49. add the post as canonical for attachment page wordpress
50. Lazyload post thumbnails
51. Exclude featured image from gallery in wp-admin
52. Featured images not displaying at full resolution
53. Big Image on Featured Post, Normal on Single Post
54. offload media to external services [closed]
55. WordPress adds extra width to post images container boxes
56. Pull images from the gallery
57. Update old Post image metadata to ‘thumbnail’ wp_attached_file
58. How to stop wordpress always displaying full-res images
59. WP keeps looking up post thumbnail on https even though wp-config says http
60. WordPress PNG compression issue
61. How to replace images?
62. Rewrite all article pictures to link to file
63. How to create resized versions of images added with wp_insert_attachment
64. Custom responsive ‘featured image’ sizes
65. What can i do add title to ‘large’ image?
66. Height and width attribute not setting by the_post_thumbnail
67. How to display original unmodified thumbnail
68. One picture belonging different galleries?
69. How to set minimum required size for featured image?
70. Hide Featured Image box – isn’t working?
71. Show (print) featured image all dimensions (height, width)
72. WordPress Attachments with old images
73. How to get image URL from media_sideload_image?
74. Serve different images per screen size and cache possible?
75. Product Images Low Quality After Updating From WP 3.5 to 4 [closed]
76. adding image to post thumbnail from another server
77. Set Featured Image not opening – Stuck at loading
78. Convert featured images into “product images”
79. Resize uploaded images [duplicate]
80. How to use the thumbnail size with catch_that_image
81. Output posts attached images as thumbnails linked to full-size with lightbox class
82. my featured image of wordpress are not showing in the front end though image are uploaded in media library
83. How to change an image source when rendering on frontend?
84. How to change Gallery image url in product page ? In function.php?
85. How to use default image as featured image by implement some code in function.php
86. How to delete original image file after upload and resize
87. An error has occurred during the upload process in wordpress version 5.3.2
88. Show featured image in all posts
89. Custom Background for each page and post
90. Using custom field to change alt text for a featured image
91. Get “Image CSS Class” value from the Advanced Options section
92. How to display image thumbnails on the search results page?
93. Get custom size of thumbnails
94. After I upload a file to library its name converted to dashes
95. Surround uploaded image link with div
96. Setting name of attachment URL
97. Show title when inserting single images
98. greater flexibility in targeting images attached to page
99. How to get WordPress to resize images for srcset?
100. Edit multiple posts featured image