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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 300 | /** |
| 301 | * Fires at the beginning of the publishing actions section of the Publish meta box. |
| 302 | * |
| 303 | * @since 2.7.0 |
| 304 | * @since 4.9.0 Added the `$post` parameter. |
| 305 | * |
| 306 | * @param WP_Post|null $post WP_Post object for the current post on Edit Post screen, |
| 307 | * null on Edit Link screen. |
| 308 | */ |
| 309 | do_action( 'post_submitbox_start', $post ); |
| 310 | ?> |
| 311 | <div id="delete-action"> |
| 312 | <?php |
| 313 | if ( current_user_can( 'delete_post', $post->ID ) ) { |
| 314 | if ( ! EMPTY_TRASH_DAYS ) { |
| 315 | $delete_text = __( 'Delete Permanently' ); |
| 316 | } else { |
| 317 | $delete_text = __( 'Move to Trash' ); |
| 318 | } |
| Line | Code |
| 1032 | <label for="link_private" class="selectit"><input id="link_private" name="link_visible" type="checkbox" value="N" <?php checked( $link->link_visible, 'N' ); ?> /> <?php _e( 'Keep this link private' ); ?></label> |
| 1033 | </div> |
| 1034 | </div> |
| 1035 | |
| 1036 | </div> |
| 1037 | |
| 1038 | <div id="major-publishing-actions"> |
| 1039 | <?php |
| 1040 | /** This action is documented in wp-admin/includes/meta-boxes.php */ |
| 1041 | do_action( 'post_submitbox_start', null ); |
| 1042 | ?> |
| 1043 | <div id="delete-action"> |
| 1044 | <?php |
| 1045 | if ( ! empty( $_GET['action'] ) && 'edit' == $_GET['action'] && current_user_can( 'manage_links' ) ) { |
| 1046 | printf( |
| 1047 | '<a class="submitdelete deletion" href="%s" onclick="return confirm( \'%s\' );">%s</a>', |
| 1048 | wp_nonce_url( "link.php?action=delete&link_id=$link->link_id", 'delete-bookmark_' . $link->link_id ), |
| 1049 | /* translators: %s: Link name. */ |
| 1050 | esc_js( sprintf( __( "You are about to delete this link '%s'\n 'Cancel' to stop, 'OK' to delete." ), $link->link_name ) ), |