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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 |
|---|---|
| 1190 | |
| 1191 | /** |
| 1192 | * Filters user data before insertion via the REST API. |
| 1193 | * |
| 1194 | * @since 4.7.0 |
| 1195 | * |
| 1196 | * @param object $prepared_user User object. |
| 1197 | * @param WP_REST_Request $request Request object. |
| 1198 | */ |
| 1199 | return apply_filters( 'rest_pre_insert_user', $prepared_user, $request ); |
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * Determines if the current user is allowed to make the desired roles change. |
| 1204 | * |
| 1205 | * @since 4.7.0 |
| 1206 | * |
| 1207 | * @global WP_Roles $wp_roles WordPress role management object. |
| 1208 | * |