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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2915 | * - `edit_post_parent` |
| 2916 | * - `edit_post_type` |
| 2917 | * - `edit_post_mime_type` |
| 2918 | * |
| 2919 | * @since 2.3.0 |
| 2920 | * |
| 2921 | * @param mixed $value Value of the post field. |
| 2922 | * @param int $post_id Post ID. |
| 2923 | */ |
| 2924 | $value = apply_filters( "edit_{$field}", $value, $post_id ); |
| 2925 | |
| 2926 | /** |
| 2927 | * Filters the value of a specific post field to edit. |
| 2928 | * |
| 2929 | * Only applied to post fields with a name which is prefixed with `post_`. |
| 2930 | * |
| 2931 | * The dynamic portion of the hook name, `$field_no_prefix`, refers to the |
| 2932 | * post field name minus the `post_` prefix. Possible filter names include: |
| 2933 | * |