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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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889 | ); |
890 |
|
891 | /** |
892 | * Filters the list of query variables to remove. |
893 | * |
894 | * @since 4.2.0 |
895 | * |
896 | * @param array $removable_query_args An array of query variables to remove from a URL. |
897 | */ |
898 | return apply_filters( 'removable_query_args', $removable_query_args ); |
899 | } |
900 |
|
901 | /** |
902 | * Walks the array while sanitizing the contents. |
903 | * |
904 | * @since 0.71 |
905 | * |
906 | * @param array $array Array to walk while sanitizing contents. |
907 | * @return array Sanitized $array. |