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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 |
|---|---|
| 1177 | ); |
| 1178 | |
| 1179 | /** |
| 1180 | * Filters the list of query variables to remove. |
| 1181 | * |
| 1182 | * @since 4.2.0 |
| 1183 | * |
| 1184 | * @param array $removable_query_args An array of query variables to remove from a URL. |
| 1185 | */ |
| 1186 | return apply_filters( 'removable_query_args', $removable_query_args ); |
| 1187 | } |
| 1188 | |
| 1189 | /** |
| 1190 | * Walks the array while sanitizing the contents. |
| 1191 | * |
| 1192 | * @since 0.71 |
| 1193 | * |
| 1194 | * @param array $array Array to walk while sanitizing contents. |
| 1195 | * @return array Sanitized $array. |