MAPG-199 fix issues found by PHPStan

src/Routing/Route.php

@@ -30,7 +30,7 @@ class Route
         $link = [];
 
         foreach ($this->pattern as $fragment) {
-            if (preg_match('/^{(\\w+)(\\?)?}$/', $fragment, $matches)) {
+            if (preg_match('/^{(\\w+)(\\?)?}$/', $fragment, $matches) === 1) {
                 if (isset($parameters[$matches[1]])) {
                     $link[] = $parameters[$matches[1]];
                     unset($parameters[$matches[1]]);
@@ -61,7 +61,7 @@ class Route
         $parameters = [];
 
         foreach ($path as $i => $fragment) {
-            if (preg_match('/^{(\\w+)(?:\\?)?}$/', $this->pattern[$i], $matches)) {
+            if (preg_match('/^{(\\w+)(?:\\?)?}$/', $this->pattern[$i], $matches) === 1) {
                 $parameters[$matches[1]] = $fragment;
             } elseif ($fragment != $this->pattern[$i]) {
                 return null;

src/Routing/RouteCollection.php

@@ -76,7 +76,7 @@ class RouteCollection
 
         $this->searchTable[$method][$groupNumber][] = $route;
 
-        while (preg_match('/^{\\w+\\?}$/', end($pattern))) {
+        while (preg_match('/^{\\w+\\?}$/', end($pattern)) === 1) {
             $groupNumber--;
             array_pop($pattern);