Support PHP 5.6

src/Geometry/Map.php

@@ -26,7 +26,7 @@ class Map
      *
      * @param Area[]|null $areas An array of Area objects to initialize the map with.
      */
-    public function __construct(array $areas = null)
+    public function __construct($areas = null)
     {
         if (isset($areas) && is_array($areas)) {
             $this->areas = $areas;
@@ -41,7 +41,7 @@ public function __construct(array $areas = null)
      * @param Area $area Area to add
      * @return self
      */
-    public function addArea(Area $area)
+    public function addArea($area)
     {
         $this->areas[] = $area;
         return $this;

src/Geometry/NodeAttribute.php

@@ -27,7 +27,7 @@ class NodeAttribute
      *
      * @param string[] $values An array of attribute values.
      */
-    public function __construct(array $values)
+    public function __construct($values)
     {
         $this->values = $values;
     }

src/Geometry/Polygon.php

@@ -28,7 +28,7 @@ class Polygon
      *
      * @param Point[] $points Initial points for the polygon.
      */
-    public function __construct(array $points = [])
+    public function __construct($points = [])
     {
         $this->points = $points;
     }
@@ -39,7 +39,7 @@ public function __construct(array $points = [])
      * @param Point $point Point to add.
      * @return self
      */
-    public function addPoint(Point $point): self
+    public function addPoint($point)
     {
         $this->points[] = $point;
         return $this;
@@ -52,7 +52,7 @@ public function addPoint(Point $point): self
      *
      * @return self
      */
-    public function clearPolygon(): self
+    public function clearPolygon()
     {
         $this->points = [];
         return $this;
@@ -64,7 +64,7 @@ public function clearPolygon(): self
      * @return float The area of the polygon.
      * @throws InvalidPolygonException If the polygon has fewer than 3 points.
      */
-    public function getArea(): float
+    public function getArea()
     {
         $cnt = count($this->points);
         if ($cnt < 3) {
@@ -89,7 +89,7 @@ public function getArea(): float
      * @return float The circumference of the polygon.
      * @throws InvalidPolygonException If the polygon has fewer than 2 points.
      */
-    public function getCircumference(): float
+    public function getCircumference()
     {
         $cnt = count($this->points);
         if ($cnt < 2) {
@@ -112,7 +112,7 @@ public function getCircumference(): float
      *
      * @return Point[] An array of Point objects that define the polygon.
      */
-    public function getPoints(): array
+    public function getPoints()
     {
         return $this->points;
     }