Fixed issues with the convertion from array to flat KV presentation.

Fixes #74.

Author: Slavey Karadzhov

module/Client/Module.php

@@ -224,17 +224,7 @@ public function preFinish(MvcEvent $event)
             $content = $response->getContent();
             $data = json_decode($content, true);
             if (isset($data['responseData'])) {
-                $responseData = $data['responseData'];
-                $rootKey = key($responseData);
-                foreach ($responseData[$rootKey] as $k=>$v) {
-                    if (is_scalar($v)) {
-                        $output .= "$k=$v\n";
-                    } elseif (is_array($v)) {
-                        foreach ($v as $k1=>$v1) {
-                            $output .= $k."[".$k1."]=$v1\n";
-                        }
-                    }
-                }
+                $output = Utils::array2KV($data['responseData']);
             }
 
             $response->setContent($output);

module/Client/src/Client/Utils.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace Client;
 
 use Zend\Stdlib\ArrayUtils;
@@ -10,7 +11,7 @@ abstract class Utils
      * This one does not replace dots and spaces in key name with underscores.
      *
      * @param string $string
-     * @param array $data
+     * @param array  $data
      */
     public static function parseString($string, &$data, $delimiter = '&')
     {
@@ -32,4 +33,37 @@ public static function parseString($string, &$data, $delimiter = '&')
             }
         }
     }
+
+    /**
+     * Represents an array as key value pairs.
+     *
+     * @param array  $items
+     * @param string $nested
+     * @param string $prefix
+     *
+     * @return string
+     */
+    public static function array2KV(array $items, $nested = false, $prefix = '')
+    {
+        $output = '';
+        foreach ($items as $k => $v) {
+            if ($nested) {
+                $k = "[{$k}]";
+            }
+            $k = $prefix.$k;
+            if (is_scalar($v)) {
+                $output .= "$k=$v\n";
+            } elseif (is_array($v)) {
+                foreach ($v as $k1 => $v1) {
+                    if (is_scalar($v1)) {
+                        $output .= $k.'['.$k1."]=$v1\n";
+                    } elseif (is_array($v1)) {
+                        $output .= self::array2KV($v1, true, $k.'['.$k1.']');
+                    }
+                }
+            }
+        }
+
+        return $output;
+    }
 }

module/Client/tests/ClientTest/UtilsTest.php

@@ -25,4 +25,46 @@ public function testParseString()
             $this->assertEquals($data, $array);
         }
     }
+    
+    public function testArrayKV()
+    {
+        $jsonData = '{
+                     "responseData":{
+                        "vhostList":[
+                            {"id":"2","name":"gotcms.staging",
+                            "port":"80","status":"Ok","default":"0",
+                            "zendDefined":true,"zendManaged":true,"ssl":false,
+                            "created":"2015-07-15T12:43:28+00:00",
+                            "lastUpdated":"2015-07-23T11:53:18+00:00",
+                            "createdTimestamp":"1436964208",
+                            "lastUpdatedTimestamp":"1437652398",
+                            "servers":[{"id":"0",
+                                        "status":"Ok",
+                                        "name":"web-staging",
+                                        "lastMessage":""}]}], 
+                       "total": 1
+                   }}';
+        $expectedOutput = "vhostList[0][id]=2
+vhostList[0][name]=gotcms.staging
+vhostList[0][port]=80
+vhostList[0][status]=Ok
+vhostList[0][default]=0
+vhostList[0][zendDefined]=1
+vhostList[0][zendManaged]=1
+vhostList[0][ssl]=
+vhostList[0][created]=2015-07-15T12:43:28+00:00
+vhostList[0][lastUpdated]=2015-07-23T11:53:18+00:00
+vhostList[0][createdTimestamp]=1436964208
+vhostList[0][lastUpdatedTimestamp]=1437652398
+vhostList[0][servers][0][id]=0
+vhostList[0][servers][0][status]=Ok
+vhostList[0][servers][0][name]=web-staging
+vhostList[0][servers][0][lastMessage]=
+total=1
+";
+        $items = json_decode($jsonData, true);
+        $output = Utils::array2KV($items['responseData']);
+        
+        $this->assertEquals($output, $expectedOutput);
+    }
 }