TheIconic\Tracking\GoogleAnalytics\Network\PrepareUrl::build PHP Method

    public function build($url, array $singleParameters, array $compoundParameters)
    {
        $singlesPost = $this->getSingleParametersPayload($singleParameters);
        $compoundsPost = $this->getCompoundParametersPayload($compoundParameters);
        $this->payloadParameters = array_merge($singlesPost, $compoundsPost);
        if (!empty($this->cacheBuster)) {
            $this->payloadParameters['z'] = $this->cacheBuster;
        }
        return $url . '?' . http_build_query($this->payloadParameters);
    }

 public function testBuild()
 {
     $prepareUrl = new PrepareUrl();
     $singleParameter = new SingleTestParameter();
     $singleParameter->setValue('foo');
     $singleParameterIdx = new SingleTestParameterIndexed(4);
     $singleParameterIdx->setValue(9);
     $cacheBuster = new CacheBuster();
     $cacheBuster->setValue('123');
     $singles = [$singleParameter, $cacheBuster, $singleParameterIdx];
     $compoundCollection = new CompoundParameterTestCollection(6);
     $compoundParameter = new CompoundTestParameter(['sku' => 555, 'name' => 'cathy']);
     $compoundCollection->add($compoundParameter);
     $compoundParameter2 = new CompoundTestParameter(['sku' => 666, 'name' => 'isa']);
     $compoundCollection->add($compoundParameter2);
     $compounds = [$compoundCollection];
     $url = $prepareUrl->build('http://test-collector.com', $singles, $compounds);
     $payload = $prepareUrl->getPayloadParameters();
     $expect = ['test' => 'foo', 'testi4' => 9, 'cp6t1id' => 555, 'cp6t1nm' => 'cathy', 'cp6t2id' => 666, 'cp6t2nm' => 'isa', 'z' => '123'];
     $this->assertEquals($expect, $payload);
     // assets cache buster is last element
     $count = 1;
     foreach ($payload as $key => $value) {
         if ($count === 7) {
             $this->assertEquals('z', $key);
             $this->assertEquals('123', $value);
         }
         $count++;
     }
 }