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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 |
|---|---|
| 1232 | ); |
| 1233 | |
| 1234 | /** |
| 1235 | * Filters the list of query variable names to remove. |
| 1236 | * |
| 1237 | * @since 4.2.0 |
| 1238 | * |
| 1239 | * @param string[] $removable_query_args An array of query variable names to remove from a URL. |
| 1240 | */ |
| 1241 | return apply_filters( 'removable_query_args', $removable_query_args ); |
| 1242 | } |
| 1243 | |
| 1244 | /** |
| 1245 | * Walks the array while sanitizing the contents. |
| 1246 | * |
| 1247 | * @since 0.71 |
| 1248 | * @since 5.5.0 Non-string values are left untouched. |
| 1249 | * |
| 1250 | * @param array $array Array to walk while sanitizing contents. |