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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 |
|---|---|
| 4752 | /** |
| 4753 | * Filters nonces for Customizer. |
| 4754 | * |
| 4755 | * @since 4.2.0 |
| 4756 | * |
| 4757 | * @param string[] $nonces Array of refreshed nonces for save and |
| 4758 | * preview actions. |
| 4759 | * @param WP_Customize_Manager $manager WP_Customize_Manager instance. |
| 4760 | */ |
| 4761 | $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this ); |
| 4762 | |
| 4763 | return $nonces; |
| 4764 | } |
| 4765 | |
| 4766 | /** |
| 4767 | * Print JavaScript settings for parent window. |
| 4768 | * |
| 4769 | * @since 4.4.0 |
| 4770 | */ |