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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 |
|---|---|
| 881 | ); |
| 882 | |
| 883 | /** |
| 884 | * Filter the list of query variables to remove. |
| 885 | * |
| 886 | * @since 4.2.0 |
| 887 | * |
| 888 | * @param array $removable_query_args An array of query variables to remove from a URL. |
| 889 | */ |
| 890 | return apply_filters( 'removable_query_args', $removable_query_args ); |
| 891 | } |
| 892 | |
| 893 | /** |
| 894 | * Walks the array while sanitizing the contents. |
| 895 | * |
| 896 | * @since 0.71 |
| 897 | * |
| 898 | * @param array $array Array to walk while sanitizing contents. |
| 899 | * @return array Sanitized $array. |