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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 |
---|---|
1524 | * This is useful for `WP_Customize_Setting` instances to watch |
1525 | * in order to update a cached previewed value. |
1526 | * |
1527 | * @since 4.4.0 |
1528 | * |
1529 | * @param string $setting_id Setting ID. |
1530 | * @param mixed $value Unsanitized setting post value. |
1531 | * @param WP_Customize_Manager $this WP_Customize_Manager instance. |
1532 | */ |
1533 | do_action( 'customize_post_value_set', $setting_id, $value, $this ); |
1534 | } |
1535 |
|
1536 | /** |
1537 | * Print JavaScript settings. |
1538 | * |
1539 | * @since 3.4.0 |
1540 | */ |
1541 | public function customize_preview_init() { |
1542 |
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