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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 |
|---|---|
| 1213 | ); |
| 1214 | |
| 1215 | /** |
| 1216 | * Filters the list of query variable names to remove. |
| 1217 | * |
| 1218 | * @since 4.2.0 |
| 1219 | * |
| 1220 | * @param string[] $removable_query_args An array of query variable names to remove from a URL. |
| 1221 | */ |
| 1222 | return apply_filters( 'removable_query_args', $removable_query_args ); |
| 1223 | } |
| 1224 | |
| 1225 | /** |
| 1226 | * Walks the array while sanitizing the contents. |
| 1227 | * |
| 1228 | * @since 0.71 |
| 1229 | * @since 5.5.0 Non-string values are left untouched. |
| 1230 | * |
| 1231 | * @param array $array Array to walk while sanitizing contents. |