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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 |
|---|---|
| 4766 | /** |
| 4767 | * Filters nonces for Customizer. |
| 4768 | * |
| 4769 | * @since 4.2.0 |
| 4770 | * |
| 4771 | * @param string[] $nonces Array of refreshed nonces for save and |
| 4772 | * preview actions. |
| 4773 | * @param WP_Customize_Manager $manager WP_Customize_Manager instance. |
| 4774 | */ |
| 4775 | $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this ); |
| 4776 | |
| 4777 | return $nonces; |
| 4778 | } |
| 4779 | |
| 4780 | /** |
| 4781 | * Prints JavaScript settings for parent window. |
| 4782 | * |
| 4783 | * @since 4.4.0 |
| 4784 | */ |