s/$argumentCount/$argCount

Co-authored-by: Nikita Popov <[email protected]>

Author: kamil-tekiela

ext/sqlite3/sqlite3.stub.php

@@ -60,7 +60,7 @@ public function query(string $query) {}
     public function querySingle(string $query, bool $entireRow = false) {}
 
     /** @return bool */
-    public function createFunction(string $name, callable $callback, int $argumentCount = -1, int $flags = 0) {}
+    public function createFunction(string $name, callable $callback, int $argCount = -1, int $flags = 0) {}
 
     /** @return bool */
     public function createAggregate(string $name, callable $stepCallback, callable $finalCallback, int $argCount = -1) {}