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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 |
---|---|
719 | * This is useful for `WP_Customize_Setting` instances to watch |
720 | * in order to update a cached previewed value. |
721 | * |
722 | * @since 4.4.0 |
723 | * |
724 | * @param string $setting_id Setting ID. |
725 | * @param mixed $value Unsanitized setting post value. |
726 | * @param WP_Customize_Manager $this WP_Customize_Manager instance. |
727 | */ |
728 | do_action( 'customize_post_value_set', $setting_id, $value, $this ); |
729 | } |
730 |
|
731 | /** |
732 | * Print JavaScript settings. |
733 | * |
734 | * @since 3.4.0 |
735 | */ |
736 | public function customize_preview_init() { |
737 | $this->nonce_tick = check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce' ); |