MDL-76362 qtype_numerical: Fix bug in phpdoc

2023-01-23 09:16:07 +08:00
parent 71c1fa0d8e
commit 2250ab07e6
1 changed files with 2 additions and 2 deletions
@@ -647,10 +647,10 @@ class qtype_numerical_answer_processor {
     * default unit, by using the given unit multiplier.
     *
     * @param string $response a value, optionally with a unit.
-     * @return array(numeric, sting) the value with the unit stripped, and normalised
+     * @return array(numeric, string, multiplier) the value with the unit stripped, and normalised
     *      by the unit multiplier, if any, and the unit string, for reference.
     */
-    public function apply_units($response, $separateunit = null) {
+    public function apply_units($response, $separateunit = null): array {
        if ($response === null || trim($response) === '') {
            return [null, null, null];
        }