Accept arrays as arguments to collection parameters in PHP client.

modules/swagger-codegen/src/main/resources/php/ObjectSerializer.mustache

@@ -161,6 +161,39 @@ class ObjectSerializer
         }
     }
 
+    /**
+     * Serialize an array to a string.
+     *
+     * @param array  $collection       collection to serialize to a string
+     * @param string $collectionFormat the format use for serialization (csv,
+     * ssv, tsv, pipes, multi)
+     *
+     * @return string
+     */
+    public function serializeCollection(array $collection, $collectionFormat, $allowCollectionFormatMulti=false)
+    {
+        if ($allowCollectionFormatMulti && ('multi' === $collectionFormat)) {
+            // http_build_query() almost does the job for us. We just
+            // need to fix the result of multidimensional arrays.
+            return preg_replace('/%5B[0-9]+%5D=/', '=', http_build_query($collection, '', '&'));
+        }
+        switch ($collectionFormat) {
+            case 'pipes':
+                return implode('|', $collection);
+
+            case 'tsv':
+                return implode("\t", $collection);
+
+            case 'ssv':
+                return implode(' ', $collection);
+
+            case 'csv':
+                // Deliberate fall through. CSV is default format.
+            default:
+                return implode(',', $collection);
+        }
+    }
+
     /**
      * Deserialize a JSON string into an object
      *

modules/swagger-codegen/src/main/resources/php/api.mustache

@@ -139,14 +139,29 @@ use \{{invokerPackage}}\ObjectSerializer;
         $headerParams['Content-Type'] = ApiClient::selectHeaderContentType(array({{#consumes}}'{{mediaType}}'{{#hasMore}},{{/hasMore}}{{/consumes}}));
 
         {{#queryParams}}// query params
+        {{#collectionFormat}}
+        if (is_array(${{paramName}})) {
+            ${{paramName}} = $this->apiClient->getSerializer()->serializeCollection(${{paramName}}, '{{collectionFormat}}', true);
+        }
+        {{/collectionFormat}}
         if (${{paramName}} !== null) {
             $queryParams['{{baseName}}'] = $this->apiClient->getSerializer()->toQueryValue(${{paramName}});
         }{{/queryParams}}
         {{#headerParams}}// header params
+        {{#collectionFormat}}
+        if (is_array(${{paramName}})) {
+            ${{paramName}} = $this->apiClient->getSerializer()->serializeCollection(${{paramName}}, '{{collectionFormat}}');
+        }
+        {{/collectionFormat}}
         if (${{paramName}} !== null) {
             $headerParams['{{baseName}}'] = $this->apiClient->getSerializer()->toHeaderValue(${{paramName}});
         }{{/headerParams}}
         {{#pathParams}}// path params
+        {{#collectionFormat}}
+        if (is_array(${{paramName}})) {
+            ${{paramName}} = $this->apiClient->getSerializer()->serializeCollection(${{paramName}}, '{{collectionFormat}}');
+        }
+        {{/collectionFormat}}
         if (${{paramName}} !== null) {
             $resourcePath = str_replace(
                 "{" . "{{baseName}}" . "}",

samples/client/petstore/php/SwaggerClient-php/lib/Api/PetApi.php

@@ -301,6 +301,11 @@ public function findPetsByStatusWithHttpInfo($status = null)
         $headerParams['Content-Type'] = ApiClient::selectHeaderContentType(array());
 
         // query params
+
+        if (is_array($status)) {
+            $status = $this->apiClient->getSerializer()->serializeCollection($status, 'multi', true);
+        }
+
         if ($status !== null) {
             $queryParams['status'] = $this->apiClient->getSerializer()->toQueryValue($status);
         }
@@ -391,6 +396,11 @@ public function findPetsByTagsWithHttpInfo($tags = null)
         $headerParams['Content-Type'] = ApiClient::selectHeaderContentType(array());
 
         // query params
+
+        if (is_array($tags)) {
+            $tags = $this->apiClient->getSerializer()->serializeCollection($tags, 'multi', true);
+        }
+
         if ($tags !== null) {
             $queryParams['tags'] = $this->apiClient->getSerializer()->toQueryValue($tags);
         }
@@ -487,6 +497,7 @@ public function getPetByIdWithHttpInfo($pet_id)
 
 
         // path params
+
         if ($pet_id !== null) {
             $resourcePath = str_replace(
                 "{" . "petId" . "}",
@@ -591,6 +602,7 @@ public function updatePetWithFormWithHttpInfo($pet_id, $name = null, $status = n
 
 
         // path params
+
         if ($pet_id !== null) {
             $resourcePath = str_replace(
                 "{" . "petId" . "}",
@@ -694,10 +706,12 @@ public function deletePetWithHttpInfo($pet_id, $api_key = null)
 
 
         // header params
+
         if ($api_key !== null) {
             $headerParams['api_key'] = $this->apiClient->getSerializer()->toHeaderValue($api_key);
         }
         // path params
+
         if ($pet_id !== null) {
             $resourcePath = str_replace(
                 "{" . "petId" . "}",
@@ -792,6 +806,7 @@ public function uploadFileWithHttpInfo($pet_id, $additional_metadata = null, $fi
 
 
         // path params
+
         if ($pet_id !== null) {
             $resourcePath = str_replace(
                 "{" . "petId" . "}",

samples/client/petstore/php/SwaggerClient-php/lib/Api/StoreApi.php

@@ -314,6 +314,7 @@ public function getOrderByIdWithHttpInfo($order_id)
 
 
         // path params
+
         if ($order_id !== null) {
             $resourcePath = str_replace(
                 "{" . "orderId" . "}",
@@ -407,6 +408,7 @@ public function deleteOrderWithHttpInfo($order_id)
 
 
         // path params
+
         if ($order_id !== null) {
             $resourcePath = str_replace(
                 "{" . "orderId" . "}",

samples/client/petstore/php/SwaggerClient-php/lib/Api/UserApi.php

@@ -371,9 +371,11 @@ public function loginUserWithHttpInfo($username = null, $password = null)
         $headerParams['Content-Type'] = ApiClient::selectHeaderContentType(array());
 
         // query params
+
         if ($username !== null) {
             $queryParams['username'] = $this->apiClient->getSerializer()->toQueryValue($username);
         }// query params
+
         if ($password !== null) {
             $queryParams['password'] = $this->apiClient->getSerializer()->toQueryValue($password);
         }
@@ -537,6 +539,7 @@ public function getUserByNameWithHttpInfo($username)
 
 
         // path params
+
         if ($username !== null) {
             $resourcePath = str_replace(
                 "{" . "username" . "}",
@@ -632,6 +635,7 @@ public function updateUserWithHttpInfo($username, $body = null)
 
 
         // path params
+
         if ($username !== null) {
             $resourcePath = str_replace(
                 "{" . "username" . "}",
@@ -721,6 +725,7 @@ public function deleteUserWithHttpInfo($username)
 
 
         // path params
+
         if ($username !== null) {
             $resourcePath = str_replace(
                 "{" . "username" . "}",

samples/client/petstore/php/SwaggerClient-php/lib/Configuration.php

@@ -516,7 +516,7 @@ public static function toDebugReport()
         $report  = "PHP SDK (Swagger\Client) Debug Report:\n";
         $report .= "    OS: ".php_uname()."\n";
         $report .= "    PHP Version: ".phpversion()."\n";
-        $report .= "    Swagger Spec Version: 1.0.0\n";
+        $report .= "    OpenAPI Spec Version: 1.0.0\n";
         $report .= "    SDK Package Version: 1.0.0\n";
         $report .= "    Temp Folder Path: ".self::getDefaultConfiguration()->getTempFolderPath()."\n";
 

samples/client/petstore/php/SwaggerClient-php/lib/ObjectSerializer.php

@@ -161,6 +161,39 @@ public function toString($value)
         }
     }
 
+    /**
+     * Serialize an array to a string.
+     *
+     * @param array  $collection       collection to serialize to a string
+     * @param string $collectionFormat the format use for serialization (csv,
+     * ssv, tsv, pipes, multi)
+     *
+     * @return string
+     */
+    public function serializeCollection(array $collection, $collectionFormat, $allowCollectionFormatMulti=false)
+    {
+        if ($allowCollectionFormatMulti && ('multi' === $collectionFormat)) {
+            // http_build_query() almost does the job for us. We just
+            // need to fix the result of multidimensional arrays.
+            return preg_replace('/%5B[0-9]+%5D=/', '=', http_build_query($collection, '', '&'));
+        }
+        switch ($collectionFormat) {
+            case 'pipes':
+                return implode('|', $collection);
+
+            case 'tsv':
+                return implode("\t", $collection);
+
+            case 'ssv':
+                return implode(' ', $collection);
+
+            case 'csv':
+                // Deliberate fall through. CSV is default format.
+            default:
+                return implode(',', $collection);
+        }
+    }
+
     /**
      * Deserialize a JSON string into an object
      *
@@ -193,7 +226,7 @@ public function deserialize($data, $class, $httpHeader=null)
             $deserialized = $values;
         } elseif ($class === '\DateTime') {
             $deserialized = new \DateTime($data);
-        } elseif (in_array($class, array('integer', 'int', 'void', 'number', 'object', 'double', 'float', 'byte', 'DateTime', 'string', 'mixed', 'boolean', 'bool'))) {
+        } elseif (in_array($class, array('void', 'bool', 'string', 'double', 'byte', 'mixed', 'integer', 'float', 'int', 'DateTime', 'number', 'boolean', 'object'))) {
             settype($data, $class);
             $deserialized = $data;
         } elseif ($class === '\SplFileObject') {