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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 |
|---|---|
| 841 | /** |
| 842 | * Filter nonces for a customize_refresh_nonces AJAX request. |
| 843 | * |
| 844 | * @since 4.2.0 |
| 845 | * |
| 846 | * @param array $nonces Array of refreshed nonces for save and |
| 847 | * preview actions. |
| 848 | * @param WP_Customize_Manager $this WP_Customize_Manager instance. |
| 849 | */ |
| 850 | $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this ); |
| 851 | wp_send_json_success( $nonces ); |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * Add a customize setting. |
| 856 | * |
| 857 | * @since 3.4.0 |
| 858 | * |
| 859 | * @param WP_Customize_Setting|string $id Customize Setting object, or ID. |