Save attachment ID instead of URL in custom field

At some point in the process you could do the following:

  1. Generate attachment ID from URL, like here
  2. Save attachment ID to custom field value using add_post_meta()
  3. Retrieve attachment using custom field value later with get_post_meta()

Related Posts:

  1. Getting the ID of any image for use in functions.php
  2. Remove Dimension from wp_get_attachment_image
  3. explode array within shortcode
  4. How can I append custom data to images in the editor?
  5. How can I remove fields in the attachment editor?
  6. Saving Custom Field in Attachment Window in WordPress 3.5
  7. Add multiple images to a page sidebar
  8. How to set a default meta value for custom field
  9. Add custom field to image editor
  10. How to save custom fields for attachments
  11. Display info from custom fields in all images’ HTML
  12. get_post_meta fields don’t show up on posts page
  13. copy attachments to another post type and change attachment url
  14. ajax delete value from custom field array
  15. Save attachment custom fields on front end
  16. Get a post_id where meta_value equals something in a serialized meta_value field
  17. Insert attachment ID in custom field from media uploader
  18. How can I store a file in the database in the same way WordPress and ACF do?
  19. Validate data on attachment_fields_to_save
  20. How do i save and retrieve custom attachment meta?
  21. Custom field not updating when value is empty
  22. how to upload a image from frontend with wp_insert_post and also update_post_meta?
  23. Link FROM attachment to full post and get custom fields values on attachment page?
  24. Attach images to posts using custom fields (just paths to images already uploaded)
  25. Show custom field on attachment page?
  26. How To Show Get Adjacent Posts If Posts Are Sorted By Custom Field
  27. How to get custom image field of specific post id
  28. Shortcode for Custom Field of Media Attachment (to use with Featured Images)
  29. Custom field in media library not saving, selected() function not adding “selected” to select list input type
  30. How to delete attachments associated with custom field type when post property changes? [closed]
  31. Media Attachment Custom Meta Fields not saving in Media Uploader when using jQuery UI Autocomplete
  32. Adding thumbnails for non-image attachments
  33. Get custom field from page, in a post?
  34. How can I attach files without using a plugin?
  35. Custom post meta field effect on the performance on the post
  36. Difference between meta keys with _ and without _ [duplicate]
  37. Orderby meta_value only returns posts that have existing meta_key
  38. Can I query custom meta data through WP_Query
  39. Add custom objects/entities to WordPress
  40. Change behavior of “Insert into Post” based on attachment metadata
  41. How can I display all values of a custom field from posts with a certain value of another custom field or from certain post types?
  42. Is there a way to do multiple ordering on a multiple meta_query?
  43. searching in custom meta field
  44. How to add upload field in a custom taxonomy?
  45. Store JSON in a custom field
  46. Custom contact form 7 select with custom values [closed]
  47. Best way to add custom / magic / flutter fields into RSS feed
  48. Setting orderby to a custom field using pre_get_posts
  49. How to get multiple checkboxes in one meta field
  50. Adding Custom Fields to Search
  51. post_author for wp_insert_attachment
  52. How to Display Custom Meta Box only on Specific Page IDs
  53. Get custom field label
  54. Show ACF fields only on certain page in the backend
  55. Custom Field Suite A little problem
  56. How make a custom search on backend in WordPress without plugin?
  57. Create Multiple File Upload Metabox in WordPress
  58. get_posts that haven’t been assigned a specific custom field
  59. How to add the image URL from an external RSS feed and insert into a custom field?
  60. My custom backend codes shows up when i try to view my website
  61. Advanced Custom Fields dynamic update_field
  62. Custom Profile Fields move from BBpress to BuddyPress
  63. I need a “Choose from existing content” popin
  64. For homepage images (for small business website), is it better to use custom fields or post_thumbnail?
  65. Avoiding ACF get_field and returning to core WordPress function
  66. Display custom field value part by part?
  67. How can I hide custom field from users used for caching response from external api?
  68. Cannot save underscore custom fields in one wordpress installation using xmlrpc and underscores
  69. Diamond question mark in text after migrating content
  70. Display posts with empty custom field
  71. Plugin or shortcode for ISBN number?
  72. HM CMB: Role Select
  73. Display latest post depending on Meta Box content
  74. WP-eComerce Advance Meta Tag data in descending order [closed]
  75. Custom fields won’t update
  76. Replacing custom field with shortcode
  77. WPAlchemy issue when using 2 select menus with the same values inside a repeating group
  78. show a specific metabox dependent on the page template
  79. excluding posts by an ACF field in pagination
  80. Search & column order by meta value in admin
  81. Is the use of many custom field not good for server?
  82. How can I ‘check’ the “custom fields” box from the Screen Options?
  83. Very large list of options for BuddyPress profile fields
  84. Can you generate a featured image from two images from custom fields?
  85. How to get all wp_posts in wordpress fetched from database
  86. Search fails when using the radio buttons
  87. Change Order of Sections Using Custom Fields
  88. Order a query by meta_value and then by post_date
  89. custom field functionality
  90. Syling Custom Fields echo’s from from functions.php
  91. Decouple page name from page title
  92. Custom Field add markup to line breaks
  93. Use Metabox to enter Post Title
  94. Include custom fields into the content of a regular page
  95. Bypassing a Form Options
  96. How to implement jquery-ui autocomplete into custom fields?
  97. i want to send email on custom post field (job_status == 2) but it is not working
  98. How to create a searchable database with a single-field search box at the front end? [closed]
  99. Multiple triggers when publishing, saving or updating a post in WordPress
  100. If possible a field ID transfom in a Custom Field?
techhipbettruvabetnorabahisbahis forumutaraftarium24edusedusedueduedusedueduseduseduedu