Merge "API: Warn when unsupported PHP array syntax is used"

diff --cc includes/api/ApiMain.php
index 078e57a,5cdcd51..554bfa6
--- 1/includes/api/ApiMain.php
--- 2/includes/api/ApiMain.php
+++ b/includes/api/ApiMain.php
@@@ -995,13 -997,9 +1006,11 @@@ class ApiMain extends ApiBase 
        /**
         * Get a boolean request value, and register the fact that the parameter
         * was used, for logging.
 +       * @param string $name
 +       * @return bool
         */
        public function getCheck( $name ) {
-               $this->mParamsUsed[$name] = true;
- 
-               return $this->getRequest()->getCheck( $name );
+               return $this->getVal( $name, null ) !== null;
        }
  
        /**