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As of WP version 2.3, this hook has been renamed to {$field_no_prefix}_save_pre.
Applied to post category comma-separated list prior to saving it in the database (also used for attachments).
This description was scraped automatically from the WordPress filter reference or action reference. If it looks like this is the wrong description, please tell me so I can fix my code.
This database has information for all major versions from WP 1.2.1 through 6.2.
| Version | File | Line | Type | |
|---|---|---|---|---|
| 1.5.2 | wp-admin/post.php | 40 | View in context | filter |
| 2.0 | wp-includes/functions-post.php | 29 | View in context | filter |
| 2.0 | wp-includes/functions-post.php | 225 | View in context | filter |
| 2.0.11 | wp-includes/functions-post.php | 30 | View in context | filter |
| 2.0.11 | wp-includes/functions-post.php | 228 | View in context | filter |
| 2.1 | wp-includes/post.php | 509 | View in context | filter |
| 2.1 | wp-includes/post.php | 1225 | View in context | filter |
| 2.2 | wp-includes/post.php | 509 | View in context | filter |
| 2.2 | wp-includes/post.php | 1231 | View in context | filter |
| 2.3 | Renamed. See {$field_no_prefix}_save_pre |
We find related hooks using word stems. category_save_pre has 2 significant word stem(s): category, save. Note that some of the hooks below may not appear in all versions of WP.
