Perf improvements for 10k+ points

Author: Brady Law

README.md

@@ -139,6 +139,13 @@ foreach ($result as $item) {
 ```
 
 
+Testing
+-------
+```
+cd tests/
+GEOPHP_RUN_TESTS=1 php tests/test.php
+```
+
 Credit
 -------------------------------------------------
 

lib/geometry/Collection.class.php

@@ -231,7 +231,9 @@ public function numPoints() {
   public function getPoints() {
     $points = array();
     foreach ($this->components as $component) {
-      $points = array_merge($points, $component->getPoints());
+      foreach ($component->getPoints() as $point) {
+        $points[] = $point;
+      }
     }
     return $points;
   }
@@ -290,7 +292,9 @@ public function isSimple() {
   public function explode() {
     $parts = array();
     foreach ($this->components as $component) {
-      $parts = array_merge($parts, $component->explode());
+      foreach ($component->explode() as $subComponent) {
+        $parts[] = $subComponent;
+      }
     }
     return $parts;
   }