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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 |
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664 | </tbody> |
665 | </table> |
666 | <?php endif; |
667 |
|
668 | /** |
669 | * Fires just before the submit button in the custom header options form. |
670 | * |
671 | * @since 3.1.0 |
672 | */ |
673 | do_action( 'custom_header_options' ); |
674 |
|
675 | wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?> |
676 |
|
677 | <?php submit_button( null, 'primary', 'save-header-options' ); ?> |
678 | </form> |
679 | </div> |
680 |
|
681 | <?php } |
682 |
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