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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 |
|---|---|
| 3000 | else : |
| 3001 | |
| 3002 | /** |
| 3003 | * Fires when an attachment type can't be rendered in the edit form. |
| 3004 | * |
| 3005 | * @since 4.6.0 |
| 3006 | * |
| 3007 | * @param WP_Post $post A post object. |
| 3008 | */ |
| 3009 | do_action( 'wp_edit_form_attachment_display', $post ); |
| 3010 | |
| 3011 | endif; |
| 3012 | ?> |
| 3013 | </div> |
| 3014 | <div class="wp_attachment_details edit-form-section"> |
| 3015 | <?php if ( 'image' === substr( $post->post_mime_type, 0, 5 ) ) : ?> |
| 3016 | <p class="attachment-alt-text"> |
| 3017 | <label for="attachment_alt"><strong><?php _e( 'Alternative Text' ); ?></strong></label><br /> |
| 3018 | <input type="text" class="widefat" name="_wp_attachment_image_alt" id="attachment_alt" aria-describedby="alt-text-description" value="<?php echo esc_attr( $alt_text ); ?>" /> |