Fix: Initialize Router $params as empty array

[farmerstevieb]

Issue

In v2.0.96, Router::callHandler() has a strict type hint requiring array $inlineValues, but the $params property is never initialized, defaulting to null.

This causes a fatal TypeError when handling routes without URL parameters:

Tina4\Router::callHandler(): Argument #3 ($inlineValues) must be of type array, null given

Affected Routes

All routes without URL parameters fail:

• GET /
• GET /login
• GET /dashboard
• etc.

Root Cause

File: Tina4/Routing/Router.php:27

private $params;  // Defaults to null

Later called with strict type checking:

// Line 568
$result = $this->callHandler($route["class"], $route["function"], $inlineValues, $request, $response);

// Line 622
public function callHandler(?string $class, $function, array $inlineValues, ...) // Requires array!

Solution

Initialize $params as an empty array:

private $params = [];

Testing

Tested with:

• ✅ Routes without parameters (GET /)
• ✅ Routes with parameters (GET /users/{id})
• ✅ POST routes
• ✅ Routes with middleware

All working as expected after fix.

Version Context

• v2.0.88: Used call_user_func_array() (no type checking)
• v2.0.96: Introduced reflection-based callHandler() (strict types)

This is a regression introduced in v2.0.96.

Backward Compatibility

✅ This fix is 100% backward compatible. Empty array is valid for all use cases where null was previously used.