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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 |
|---|---|
| 1260 | ); |
| 1261 | |
| 1262 | /** |
| 1263 | * Filters the list of query variable names to remove. |
| 1264 | * |
| 1265 | * @since 4.2.0 |
| 1266 | * |
| 1267 | * @param string[] $removable_query_args An array of query variable names to remove from a URL. |
| 1268 | */ |
| 1269 | return apply_filters( 'removable_query_args', $removable_query_args ); |
| 1270 | } |
| 1271 | |
| 1272 | /** |
| 1273 | * Walks the array while sanitizing the contents. |
| 1274 | * |
| 1275 | * @since 0.71 |
| 1276 | * @since 5.5.0 Non-string values are left untouched. |
| 1277 | * |
| 1278 | * @param array $input_array Array to walk while sanitizing contents. |