diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
new file mode 100644
index 00000000..48a83bdb
--- /dev/null
+++ b/.github/workflows/php.yml
@@ -0,0 +1,57 @@
+name: GeoPHP tests
+
+on:
+  push:
+    branches: ["development", "setup-github-action"]
+  pull_request:
+    branches: ["development", "setup-github-action"]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php:
+          [
+            "5.6",
+            "7.0",
+            "7.1",
+            "7.2",
+            "7.3",
+            "7.4",
+            "8.0",
+            "8.1",
+            "8.2",
+            "8.3",
+            "nightly",
+          ]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      #      - name: Validate composer.json and composer.lock
+      #        run: composer validate --strict
+
+      - name: Cache Composer packages
+        id: composer-cache
+        uses: actions/cache@v3
+        with:
+          path: vendor
+          key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-php-
+
+      # want the ability to remove certain items for other flags ...
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+
+      - name: Run tests
+        run: |
+          mkdir -p build/logs
+          if [[ -z $DISABLE_UNIT ]]; then composer unit-clover; fi
+          composer test-input
+          composer performance
diff --git a/README.md b/README.md
index 3a87f485..e9765a46 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/funiq/geoPHP.svg?branch=master)](https://travis-ci.org/funiq/geoPHP)
+[![Build Status](https://github.com/funiq/geoPHP/actions/workflows/php/badge.svg)](https://github.com/waterfluence/geoPHP/actions/workflows/php.yml)
 
 GeoPHP is a open-source native PHP library for doing geometry operations. It is a fork of famous [geoPHP](https://github.com/phayes/geoPHP) library by Patrick Hayes.
 
diff --git a/tests/unit/Geometry/LineStringTest.php b/tests/unit/Geometry/LineStringTest.php
index 7038440a..fbbe07f6 100644
--- a/tests/unit/Geometry/LineStringTest.php
+++ b/tests/unit/Geometry/LineStringTest.php
@@ -57,7 +57,7 @@ public function testConstructor($points)
     public function testConstructorEmptyComponentThrowsException()
     {
         $this->expectException(InvalidGeometryException::class);
-        $this->expectExceptionMessageRegExp('/Cannot create a collection of empty Points.+/');
+        $this->expectExceptionMessageMatches('/Cannot create a collection of empty Points.+/');
 
         // Empty points
         new LineString([new Point(), new Point(), new Point()]);
@@ -66,7 +66,7 @@ public function testConstructorEmptyComponentThrowsException()
     public function testConstructorNonArrayComponentThrowsException()
     {
         $this->expectException(InvalidGeometryException::class);
-        $this->expectExceptionMessageRegExp('/Component geometries must be passed as array/');
+        $this->expectExceptionMessageMatches('/Component geometries must be passed as array/');
 
         new LineString('foo');
     }
@@ -74,7 +74,7 @@ public function testConstructorNonArrayComponentThrowsException()
     public function testConstructorSinglePointThrowsException()
     {
         $this->expectException(InvalidGeometryException::class);
-        $this->expectExceptionMessageRegExp('/Cannot construct a [a-zA-Z_\\\\]+LineString with a single point/');
+        $this->expectExceptionMessageMatches('/Cannot construct a [a-zA-Z_\\\\]+LineString with a single point/');
 
         new LineString([new Point(1, 2)]);
     }
@@ -82,7 +82,7 @@ public function testConstructorSinglePointThrowsException()
     public function testConstructorWrongComponentTypeThrowsException()
     {
         $this->expectException(InvalidGeometryException::class);
-        $this->expectExceptionMessageRegExp('/Cannot create a collection of [a-zA-Z_\\\\]+ components, expected type is.+/');
+        $this->expectExceptionMessageMatches('/Cannot create a collection of [a-zA-Z_\\\\]+ components, expected type is.+/');
 
         new LineString([new LineString(), new LineString()]);
     }
@@ -168,7 +168,7 @@ public function providerCentroid()
                     [42.5390625, 41.77131167976407],
                     [-13.359375, 38.8225909761771],
                     [18.984375, 17.644022027872726]
-            ], new Point(8.71798087550578, 31.1304531386738)],
+            ], new Point(8.717980875505775, 31.130453138673776)],
             'crossing the antimeridian' => [[[170, 47], [-170, 47]], new Point(0, 47)]
         ];
     }
@@ -217,7 +217,7 @@ public function testIsSimple($points, $result)
     public function providerLength() {
         return [
                 [[[0, 0], [10, 0]], 10.0],
-                [[[1, 1], [2, 2], [2, 3.5], [1, 3], [1, 2], [2, 1]], 6.44646111349608],
+                [[[1, 1], [2, 2], [2, 3.5], [1, 3], [1, 2], [2, 1]], 6.446461113496085],
         ];
     }
 
@@ -236,8 +236,8 @@ public function testLength($points, $result)
 
     public function providerLength3D() {
         return [
-                [[[0, 0, 0], [10, 0, 10]], 14.142135623731],
-                [[[1, 1, 0], [2, 2, 2], [2, 3.5, 0], [1, 3, 2], [1, 2, 0], [2, 1, 2]], 11.926335310544],
+                [[[0, 0, 0], [10, 0, 10]], 14.142135623730951],
+                [[[1, 1, 0], [2, 2, 2], [2, 3.5, 0], [1, 3, 2], [1, 2, 0], [2, 1, 2]], 11.926335310544065],
         ];
     }
 
@@ -305,7 +305,7 @@ public function testGreatCircleLength($points, $results)
     {
         $line = LineString::fromArray($points);
 
-        $this->assertEquals($line->greatCircleLength(), $results['greatCircle'], '', 1e-8);
+        $this->assertEqualsWithDelta($line->greatCircleLength(), $results['greatCircle'], 1e-8);
     }
 
     /**
@@ -318,7 +318,7 @@ public function testHaversineLength($points, $results)
     {
         $line = LineString::fromArray($points);
 
-        $this->assertEquals($line->haversineLength(), $results['haversine'], '', 1e-7);
+        $this->assertEqualsWithDelta($line->haversineLength(), $results['haversine'], 1e-7);
     }
 
     /**
@@ -331,7 +331,7 @@ public function testVincentyLength($points, $results)
     {
         $line = LineString::fromArray($points);
 
-        $this->assertEquals($line->vincentyLength(), $results['vincenty'], '', 1e-8);
+        $this->assertEqualsWithDelta($line->vincentyLength(), $results['vincenty'], 1e-8);
     }
 
     public function testVincentyLengthAntipodalPoints()