Add group parameter support to PHP client (#1337)

* add group parameter support to php template

* more update for group parameter

* fix call to protect function

* fix missing $

* update based on feedback

* create fake endpoint to test group parameters

* sync fake petstore spec v2, v3

* fix php doc for group parameters

* update petstore samples

* update fake petstore spec v2

* update petstore samples

* fix spec and update samples

samples/client/petstore/java/rest-assured/src/main/java/org/openapitools/client/api/FakeApi.java

@@ -149,6 +149,16 @@ public class FakeApi {
         return new TestEnumParametersOper(reqSpec);
     }
 
+    @ApiOperation(value = "Fake endpoint to test group parameters (optional)",
+            notes = "Fake endpoint to test group parameters (optional)",
+            nickname = "testGroupParameters",
+            tags = { "fake" })
+    @ApiResponses(value = { 
+            @ApiResponse(code = 400, message = "Someting wrong")  })
+    public TestGroupParametersOper testGroupParameters() {
+        return new TestGroupParametersOper(reqSpec);
+    }
+
     @ApiOperation(value = "test inline additionalProperties",
             notes = "",
             nickname = "testInlineAdditionalProperties",
@@ -1030,6 +1040,91 @@ public class FakeApi {
             return this;
         }
     }
+    /**
+     * Fake endpoint to test group parameters (optional)
+     * Fake endpoint to test group parameters (optional)
+     *
+     * @see #stringGroupQuery String in group parameters (optional)
+     * @see #booleanGroupHeader Boolean in group parameters (optional)
+     * @see #int64GroupQuery Integer in group parameters (optional)
+     */
+    public static class TestGroupParametersOper {
+
+        public static final Method REQ_METHOD = DELETE;
+        public static final String REQ_URI = "/fake";
+
+        private RequestSpecBuilder reqSpec;
+        private ResponseSpecBuilder respSpec;
+
+        public TestGroupParametersOper(RequestSpecBuilder reqSpec) {
+            this.reqSpec = reqSpec;
+            reqSpec.setAccept("application/json");
+            this.respSpec = new ResponseSpecBuilder();
+        }
+
+        /**
+         * DELETE /fake
+         * @param handler handler
+         * @param <T> type
+         * @return type
+         */
+        public <T> T execute(Function<Response, T> handler) {
+            return handler.apply(RestAssured.given().spec(reqSpec.build()).expect().spec(respSpec.build()).when().request(REQ_METHOD, REQ_URI));
+        }
+
+        public static final String BOOLEAN_GROUP_HEADER = "boolean_group";
+
+        /**
+         * @param booleanGroup (Boolean) Boolean in group parameters (optional)
+         * @return operation
+         */
+        public TestGroupParametersOper booleanGroupHeader(String booleanGroup) {
+            reqSpec.addHeader(BOOLEAN_GROUP_HEADER, booleanGroup);
+            return this;
+        }
+
+        public static final String STRING_GROUP_QUERY = "string_group";
+
+        /**
+         * @param stringGroup (Integer) String in group parameters (optional)
+         * @return operation
+         */
+        public TestGroupParametersOper stringGroupQuery(Object... stringGroup) {
+            reqSpec.addQueryParam(STRING_GROUP_QUERY, stringGroup);
+            return this;
+        }
+
+        public static final String INT64_GROUP_QUERY = "int64_group";
+
+        /**
+         * @param int64Group (Long) Integer in group parameters (optional)
+         * @return operation
+         */
+        public TestGroupParametersOper int64GroupQuery(Object... int64Group) {
+            reqSpec.addQueryParam(INT64_GROUP_QUERY, int64Group);
+            return this;
+        }
+
+        /**
+         * Customise request specification
+         * @param consumer consumer
+         * @return operation
+         */
+        public TestGroupParametersOper reqSpec(Consumer<RequestSpecBuilder> consumer) {
+            consumer.accept(reqSpec);
+            return this;
+        }
+
+        /**
+         * Customise response specification
+         * @param consumer consumer
+         * @return operation
+         */
+        public TestGroupParametersOper respSpec(Consumer<ResponseSpecBuilder> consumer) {
+            consumer.accept(respSpec);
+            return this;
+        }
+    }
     /**
      * test inline additionalProperties
      * 

samples/client/petstore/java/rest-assured/src/test/java/org/openapitools/client/api/FakeApiTest.java

@@ -16,6 +16,7 @@ package org.openapitools.client.api;
 import java.math.BigDecimal;
 import org.openapitools.client.model.Client;
 import java.io.File;
+import org.openapitools.client.model.FileSchemaTestClass;
 import org.threeten.bp.LocalDate;
 import org.threeten.bp.OffsetDateTime;
 import org.openapitools.client.model.OuterComposite;
@@ -96,6 +97,18 @@ public class FakeApiTest {
     }
 
 
+    /**
+     * Success
+     */
+    @Test
+    public void shouldSee200AfterTestBodyWithFileSchema() {
+        FileSchemaTestClass fileSchemaTestClass = null;
+        api.testBodyWithFileSchema()
+                .body(fileSchemaTestClass).execute(r -> r.prettyPeek());
+        // TODO: test validations
+    }
+
+
     /**
      * Success
      */
@@ -212,6 +225,19 @@ public class FakeApiTest {
     }
 
 
+    /**
+     * Someting wrong
+     */
+    @Test
+    public void shouldSee400AfterTestGroupParameters() {
+        Integer stringGroup = null;
+        String booleanGroup = null;
+        Long int64Group = null;
+        api.testGroupParameters().execute(r -> r.prettyPeek());
+        // TODO: test validations
+    }
+
+
     /**
      * successful operation
      */