comparison vendor/symfony/dependency-injection/ChildDefinition.php @ 4:a9cd425dd02b

Update, including to Drupal core 8.6.10

      *
      * @throws InvalidArgumentException when $index isn't an integer
      */
     public function replaceArgument($index, $value)
     {
-        if (is_int($index)) {
+        if (\is_int($index)) {
             $this->arguments['index_'.$index] = $value;
         } elseif (0 === strpos($index, '$')) {
             $this->arguments[$index] = $value;
         } else {
             throw new InvalidArgumentException('The argument must be an existing index or the name of a constructor\'s parameter.');