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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 |
|---|---|
| 660 | </tbody> |
| 661 | </table> |
| 662 | <?php endif; |
| 663 | |
| 664 | /** |
| 665 | * Fires just before the submit button in the custom header options form. |
| 666 | * |
| 667 | * @since 3.1.0 |
| 668 | */ |
| 669 | do_action( 'custom_header_options' ); |
| 670 | |
| 671 | wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?> |
| 672 | |
| 673 | <?php submit_button( null, 'primary', 'save-header-options' ); ?> |
| 674 | </form> |
| 675 | </div> |
| 676 | |
| 677 | <?php } |
| 678 | |