diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/PhpClientCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/PhpClientCodegen.java
index 965297cd4d3..ebd72704b37 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/PhpClientCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/PhpClientCodegen.java
@@ -358,6 +358,9 @@ public class PhpClientCodegen extends DefaultCodegen implements CodegenConfig {
 
     @Override
     public String toModelName(String name) {
+        // remove [ 
+        name = name.replaceAll("\\]", "");
+
         // Note: backslash ("\\") is allowed for e.g. "\\DateTime"
         name = name.replaceAll("[^\\w\\\\]+", "_"); // FIXME: a parameter should not be assigned. Also declare the methods parameters as 'final'.
 
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Model/InlineResponse200.php b/samples/client/petstore/php/SwaggerClient-php/lib/Model/InlineResponse200.php
new file mode 100644
index 00000000000..19d05e11f53
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Model/InlineResponse200.php
@@ -0,0 +1,238 @@
+<?php
+/**
+ * InlineResponse200
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Do not edit the class manually.
+ */
+
+namespace Swagger\Client\Model;
+
+use \ArrayAccess;
+/**
+ * InlineResponse200 Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class InlineResponse200 implements ArrayAccess
+{
+    /**
+      * Array of property to type mappings. Used for (de)serialization 
+      * @var string[]
+      */
+    static $swaggerTypes = array(
+        'id' => 'int',
+        'category' => 'object',
+        'name' => 'string'
+    );
+  
+    /** 
+      * Array of attributes where the key is the local name, and the value is the original name
+      * @var string[] 
+      */
+    static $attributeMap = array(
+        'id' => 'id',
+        'category' => 'category',
+        'name' => 'name'
+    );
+  
+    /**
+      * Array of attributes to setter functions (for deserialization of responses)
+      * @var string[]
+      */
+    static $setters = array(
+        'id' => 'setId',
+        'category' => 'setCategory',
+        'name' => 'setName'
+    );
+  
+    /**
+      * Array of attributes to getter functions (for serialization of requests)
+      * @var string[]
+      */
+    static $getters = array(
+        'id' => 'getId',
+        'category' => 'getCategory',
+        'name' => 'getName'
+    );
+  
+    
+    /**
+      * $id 
+      * @var int
+      */
+    protected $id;
+    
+    /**
+      * $category 
+      * @var object
+      */
+    protected $category;
+    
+    /**
+      * $name 
+      * @var string
+      */
+    protected $name;
+    
+
+    /**
+     * Constructor
+     * @param mixed[] $data Associated array of property value initalizing the model
+     */
+    public function __construct(array $data = null)
+    {
+        if ($data != null) {
+            $this->id = $data["id"];
+            $this->category = $data["category"];
+            $this->name = $data["name"];
+        }
+    }
+    
+    /**
+     * Gets id
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+  
+    /**
+     * Sets id
+     * @param int $id 
+     * @return $this
+     */
+    public function setId($id)
+    {
+        
+        $this->id = $id;
+        return $this;
+    }
+    
+    /**
+     * Gets category
+     * @return object
+     */
+    public function getCategory()
+    {
+        return $this->category;
+    }
+  
+    /**
+     * Sets category
+     * @param object $category 
+     * @return $this
+     */
+    public function setCategory($category)
+    {
+        
+        $this->category = $category;
+        return $this;
+    }
+    
+    /**
+     * Gets name
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+  
+    /**
+     * Sets name
+     * @param string $name 
+     * @return $this
+     */
+    public function setName($name)
+    {
+        
+        $this->name = $name;
+        return $this;
+    }
+    
+    /**
+     * Returns true if offset exists. False otherwise.
+     * @param  integer $offset Offset 
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->$offset);
+    }
+  
+    /**
+     * Gets offset.
+     * @param  integer $offset Offset 
+     * @return mixed 
+     */
+    public function offsetGet($offset)
+    {
+        return $this->$offset;
+    }
+  
+    /**
+     * Sets value based on offset.
+     * @param  integer $offset Offset 
+     * @param  mixed   $value  Value to be set
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->$offset = $value;
+    }
+  
+    /**
+     * Unsets offset.
+     * @param  integer $offset Offset 
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->$offset);
+    }
+  
+    /**
+     * Gets the string presentation of the object
+     * @return string
+     */
+    public function __toString()
+    {
+        if (defined('JSON_PRETTY_PRINT')) {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this), JSON_PRETTY_PRINT);
+        } else {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this));
+        }
+    }
+}
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Model/ObjectReturn.php b/samples/client/petstore/php/SwaggerClient-php/lib/Model/ObjectReturn.php
new file mode 100644
index 00000000000..bb0dd842706
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Model/ObjectReturn.php
@@ -0,0 +1,174 @@
+<?php
+/**
+ * ObjectReturn
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Do not edit the class manually.
+ */
+
+namespace Swagger\Client\Model;
+
+use \ArrayAccess;
+/**
+ * ObjectReturn Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class ObjectReturn implements ArrayAccess
+{
+    /**
+      * Array of property to type mappings. Used for (de)serialization 
+      * @var string[]
+      */
+    static $swaggerTypes = array(
+        'return' => 'int'
+    );
+  
+    /** 
+      * Array of attributes where the key is the local name, and the value is the original name
+      * @var string[] 
+      */
+    static $attributeMap = array(
+        'return' => 'return'
+    );
+  
+    /**
+      * Array of attributes to setter functions (for deserialization of responses)
+      * @var string[]
+      */
+    static $setters = array(
+        'return' => 'setReturn'
+    );
+  
+    /**
+      * Array of attributes to getter functions (for serialization of requests)
+      * @var string[]
+      */
+    static $getters = array(
+        'return' => 'getReturn'
+    );
+  
+    
+    /**
+      * $return 
+      * @var int
+      */
+    protected $return;
+    
+
+    /**
+     * Constructor
+     * @param mixed[] $data Associated array of property value initalizing the model
+     */
+    public function __construct(array $data = null)
+    {
+        if ($data != null) {
+            $this->return = $data["return"];
+        }
+    }
+    
+    /**
+     * Gets return
+     * @return int
+     */
+    public function getReturn()
+    {
+        return $this->return;
+    }
+  
+    /**
+     * Sets return
+     * @param int $return 
+     * @return $this
+     */
+    public function setReturn($return)
+    {
+        
+        $this->return = $return;
+        return $this;
+    }
+    
+    /**
+     * Returns true if offset exists. False otherwise.
+     * @param  integer $offset Offset 
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->$offset);
+    }
+  
+    /**
+     * Gets offset.
+     * @param  integer $offset Offset 
+     * @return mixed 
+     */
+    public function offsetGet($offset)
+    {
+        return $this->$offset;
+    }
+  
+    /**
+     * Sets value based on offset.
+     * @param  integer $offset Offset 
+     * @param  mixed   $value  Value to be set
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->$offset = $value;
+    }
+  
+    /**
+     * Unsets offset.
+     * @param  integer $offset Offset 
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->$offset);
+    }
+  
+    /**
+     * Gets the string presentation of the object
+     * @return string
+     */
+    public function __toString()
+    {
+        if (defined('JSON_PRETTY_PRINT')) {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this), JSON_PRETTY_PRINT);
+        } else {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this));
+        }
+    }
+}
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Model/SpecialModelName.php b/samples/client/petstore/php/SwaggerClient-php/lib/Model/SpecialModelName.php
new file mode 100644
index 00000000000..52de7d06863
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Model/SpecialModelName.php
@@ -0,0 +1,174 @@
+<?php
+/**
+ * SpecialModelName
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Do not edit the class manually.
+ */
+
+namespace Swagger\Client\Model;
+
+use \ArrayAccess;
+/**
+ * SpecialModelName Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class SpecialModelName implements ArrayAccess
+{
+    /**
+      * Array of property to type mappings. Used for (de)serialization 
+      * @var string[]
+      */
+    static $swaggerTypes = array(
+        'special_property_name' => 'int'
+    );
+  
+    /** 
+      * Array of attributes where the key is the local name, and the value is the original name
+      * @var string[] 
+      */
+    static $attributeMap = array(
+        'special_property_name' => '$special[property.name]'
+    );
+  
+    /**
+      * Array of attributes to setter functions (for deserialization of responses)
+      * @var string[]
+      */
+    static $setters = array(
+        'special_property_name' => 'setSpecialPropertyName'
+    );
+  
+    /**
+      * Array of attributes to getter functions (for serialization of requests)
+      * @var string[]
+      */
+    static $getters = array(
+        'special_property_name' => 'getSpecialPropertyName'
+    );
+  
+    
+    /**
+      * $special_property_name 
+      * @var int
+      */
+    protected $special_property_name;
+    
+
+    /**
+     * Constructor
+     * @param mixed[] $data Associated array of property value initalizing the model
+     */
+    public function __construct(array $data = null)
+    {
+        if ($data != null) {
+            $this->special_property_name = $data["special_property_name"];
+        }
+    }
+    
+    /**
+     * Gets special_property_name
+     * @return int
+     */
+    public function getSpecialPropertyName()
+    {
+        return $this->special_property_name;
+    }
+  
+    /**
+     * Sets special_property_name
+     * @param int $special_property_name 
+     * @return $this
+     */
+    public function setSpecialPropertyName($special_property_name)
+    {
+        
+        $this->special_property_name = $special_property_name;
+        return $this;
+    }
+    
+    /**
+     * Returns true if offset exists. False otherwise.
+     * @param  integer $offset Offset 
+     * @return boolean
+     */
+    public function offsetExists($offset)
+    {
+        return isset($this->$offset);
+    }
+  
+    /**
+     * Gets offset.
+     * @param  integer $offset Offset 
+     * @return mixed 
+     */
+    public function offsetGet($offset)
+    {
+        return $this->$offset;
+    }
+  
+    /**
+     * Sets value based on offset.
+     * @param  integer $offset Offset 
+     * @param  mixed   $value  Value to be set
+     * @return void
+     */
+    public function offsetSet($offset, $value)
+    {
+        $this->$offset = $value;
+    }
+  
+    /**
+     * Unsets offset.
+     * @param  integer $offset Offset 
+     * @return void
+     */
+    public function offsetUnset($offset)
+    {
+        unset($this->$offset);
+    }
+  
+    /**
+     * Gets the string presentation of the object
+     * @return string
+     */
+    public function __toString()
+    {
+        if (defined('JSON_PRETTY_PRINT')) {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this), JSON_PRETTY_PRINT);
+        } else {
+            return json_encode(\Swagger\Client\ObjectSerializer::sanitizeForSerialization($this));
+        }
+    }
+}
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Tests/InlineResponse200Test.php b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/InlineResponse200Test.php
new file mode 100644
index 00000000000..1bd1c822700
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/InlineResponse200Test.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * InlineResponse200Test
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Please update the test case below to test the model.
+ */
+
+namespace Swagger\Client\Model;
+
+/**
+ * InlineResponse200Test Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class InlineResponse200Test extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Setup before running each test case
+     */
+    public static function setUpBeforeClass() {
+
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public static function tearDownAfterClass() {
+
+    }
+
+    /**
+     * Test InlineResponse200
+     */
+    public function testInlineResponse200() {
+
+    }
+
+}
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Tests/ObjectReturnTest.php b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/ObjectReturnTest.php
new file mode 100644
index 00000000000..de06d6e7a9d
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/ObjectReturnTest.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * ObjectReturnTest
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Please update the test case below to test the model.
+ */
+
+namespace Swagger\Client\Model;
+
+/**
+ * ObjectReturnTest Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class ObjectReturnTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Setup before running each test case
+     */
+    public static function setUpBeforeClass() {
+
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public static function tearDownAfterClass() {
+
+    }
+
+    /**
+     * Test ObjectReturn
+     */
+    public function testObjectReturn() {
+
+    }
+
+}
diff --git a/samples/client/petstore/php/SwaggerClient-php/lib/Tests/SpecialModelNameTest.php b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/SpecialModelNameTest.php
new file mode 100644
index 00000000000..542ffa68a13
--- /dev/null
+++ b/samples/client/petstore/php/SwaggerClient-php/lib/Tests/SpecialModelNameTest.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * SpecialModelNameTest
+ *
+ * PHP version 5
+ *
+ * @category Class
+ * @package  Swagger\Client
+ * @author   http://github.com/swagger-api/swagger-codegen
+ * @license  http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link     https://github.com/swagger-api/swagger-codegen
+ */
+/**
+ *  Copyright 2016 SmartBear Software
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+/**
+ * NOTE: This class is auto generated by the swagger code generator program.
+ * https://github.com/swagger-api/swagger-codegen
+ * Please update the test case below to test the model.
+ */
+
+namespace Swagger\Client\Model;
+
+/**
+ * SpecialModelNameTest Class Doc Comment
+ *
+ * @category    Class
+ * @description 
+ * @package     Swagger\Client
+ * @author      http://github.com/swagger-api/swagger-codegen
+ * @license     http://www.apache.org/licenses/LICENSE-2.0 Apache Licene v2
+ * @link        https://github.com/swagger-api/swagger-codegen
+ */
+class SpecialModelNameTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * Setup before running each test case
+     */
+    public static function setUpBeforeClass() {
+
+    }
+
+    /**
+     * Clean up after running each test case
+     */
+    public static function tearDownAfterClass() {
+
+    }
+
+    /**
+     * Test SpecialModelName
+     */
+    public function testSpecialModelName() {
+
+    }
+
+}