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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 |
|---|---|
| 2769 | else : |
| 2770 | |
| 2771 | /** |
| 2772 | * Fires when an attachment type can't be rendered in the edit form. |
| 2773 | * |
| 2774 | * @since 4.6.0 |
| 2775 | * |
| 2776 | * @param WP_Post $post A post object. |
| 2777 | */ |
| 2778 | do_action( 'wp_edit_form_attachment_display', $post ); |
| 2779 | |
| 2780 | endif; ?> |
| 2781 | </div> |
| 2782 | <div class="wp_attachment_details edit-form-section"> |
| 2783 | <p> |
| 2784 | <label for="attachment_caption"><strong><?php _e( 'Caption' ); ?></strong></label><br /> |
| 2785 | <textarea class="widefat" name="excerpt" id="attachment_caption"><?php echo $post->post_excerpt; ?></textarea> |
| 2786 | </p> |
| 2787 | |