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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 |
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4631 | } |
4632 |
|
4633 | /** |
4634 | * Filters the list of URLs allowed to be clicked and followed in the Customizer preview. |
4635 | * |
4636 | * @since 3.4.0 |
4637 | * |
4638 | * @param string[] $allowed_urls An array of allowed URLs. |
4639 | */ |
4640 | $allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) ); |
4641 |
|
4642 | return $allowed_urls; |
4643 | } |
4644 |
|
4645 | /** |
4646 | * Gets messenger channel. |
4647 | * |
4648 | * @since 4.7.0 |
4649 | * |