diff --git a/lib/php/src/protocol/TJSONProtocol.php b/lib/php/src/protocol/TJSONProtocol.php
new file mode 100755
index 0000000..b7eaa07
--- /dev/null
+++ b/lib/php/src/protocol/TJSONProtocol.php
@@ -0,0 +1,808 @@
+<?php
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.
+ *
+ * @package thrift.protocol
+ */
+
+/**
+ * JSON implementation of thrift protocol, ported from Java.
+ */
+class TJSONProtocol extends TProtocol
+{
+    const COMMA = ',';
+    const COLON = ':';
+    const LBRACE = '{';
+    const RBRACE = '}';
+    const LBRACKET = '[';
+    const RBRACKET = ']';
+    const QUOTE = '"';
+    const BACKSLASH = '\\';
+    const ZERO = '0';
+    const ESCSEQ = '\\';
+    const DOUBLEESC = '__DOUBLE_ESCAPE_SEQUENCE__';
+
+    const VERSION = 1;
+
+    public static $JSON_CHAR_TABLE = array(
+        /*  0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F */
+        0, 0, 0, 0, 0, 0, 0, 0, 'b', 't', 'n', 0, 'f', 'r', 0, 0, // 0
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1
+        1, 1, '"', 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 2
+    );
+
+    public static $ESCAPE_CHARS = array('"', '\\', "b", "f", "n", "r", "t");
+
+    public static $ESCAPE_CHAR_VALS = array(
+        '"', '\\', "\x08", "\f", "\n", "\r", "\t",
+    );
+
+    const NAME_BOOL = "tf";
+    const NAME_BYTE = "i8";
+    const NAME_I16 = "i16";
+    const NAME_I32 = "i32";
+    const NAME_I64 = "i64";
+    const NAME_DOUBLE = "dbl";
+    const NAME_STRUCT = "rec";
+    const NAME_STRING = "str";
+    const NAME_MAP = "map";
+    const NAME_LIST = "lst";
+    const NAME_SET = "set";
+
+    private function getTypeNameForTypeID($typeID)
+    {
+        switch ($typeID) {
+            case TType::BOOL:
+                return self::NAME_BOOL;
+            case TType::BYTE:
+                return self::NAME_BYTE;
+            case TType::I16:
+                return self::NAME_I16;
+            case TType::I32:
+                return self::NAME_I32;
+            case TType::I64:
+                return self::NAME_I64;
+            case TType::DOUBLE:
+                return self::NAME_DOUBLE;
+            case TType::STRING:
+                return self::NAME_STRING;
+            case TType::STRUCT:
+                return self::NAME_STRUCT;
+            case TType::MAP:
+                return self::NAME_MAP;
+            case TType::SET:
+                return self::NAME_SET;
+            case TType::LST:
+                return self::NAME_LIST;
+            default:
+                throw new TProtocolException("Unrecognized type", TProtocolException::UNKNOWN);
+        }
+    }
+
+    private function getTypeIDForTypeName($name)
+    {
+        $result = TType::STOP;
+
+        if (strlen($name) > 1) {
+            switch (substr($name, 0, 1)) {
+                case 'd':
+                    $result = TType::DOUBLE;
+                    break;
+                case 'i':
+                    switch (substr($name, 1, 1)) {
+                        case '8':
+                            $result = TType::BYTE;
+                            break;
+                        case '1':
+                            $result = TType::I16;
+                            break;
+                        case '3':
+                            $result = TType::I32;
+                            break;
+                        case '6':
+                            $result = TType::I64;
+                            break;
+                    }
+                    break;
+                case 'l':
+                    $result = TType::LST;
+                    break;
+                case 'm':
+                    $result = TType::MAP;
+                    break;
+                case 'r':
+                    $result = TType::STRUCT;
+                    break;
+                case 's':
+                    if (substr($name, 1, 1) == 't') {
+                        $result = TType::STRING;
+                    }
+                    else if (substr($name, 1, 1) == 'e') {
+                        $result = TType::SET;
+                    }
+                    break;
+                case 't':
+                    $result = TType::BOOL;
+                    break;
+            }
+        }
+        if ($result == TType::STOP) {
+            throw new TProtocolException("Unrecognized type", TProtocolException::INVALID_DATA);
+        }
+        return $result;
+    }
+
+    public $contextStack_ = array();
+    public $context_;
+    public $reader_;
+
+    private function pushContext($c) {
+        array_push($this->contextStack_, $this->context_);
+        $this->context_ = $c;
+    }
+
+    private function popContext() {
+        $this->context_ = array_pop($this->contextStack_);
+    }
+
+    public function __construct($trans) {
+        parent::__construct($trans);
+        $this->context_ = new TJSONProtocol_JSONBaseContext();
+        $this->reader_ = new TJSONProtocol_LookaheadReader($this);
+    }
+
+    public function reset() {
+        $this->contextStack_ = array();
+        $this->context_ = new TJSONProtocol_JSONBaseContext();
+        $this->reader_ = new TJSONProtocol_LookaheadReader($this);
+    }
+
+    private $tmpbuf_ = array(4);
+
+    public function readJSONSyntaxChar($b) {
+        $ch = $this->reader_->read();
+
+        if (substr($ch, 0, 1) != $b) {
+            throw new TProtocolException("Unexpected character: " . $ch, TProtocolException::INVALID_DATA);
+        }
+    }
+
+    private function hexVal($s) {
+        for ($i = 0; $i < strlen($s); $i++) {
+            $ch = substr($s, $i, 1);
+
+            if (!($ch >= "a" && $ch <= "f") && !($ch >= "0" && $ch <= "9")) {
+                throw new TProtocolException("Expected hex character " . $ch, TProtocolException::INVALID_DATA);
+            }
+        }
+
+        return hexdec($s);
+    }
+
+    private function hexChar($val) {
+        return dechex($val);
+    }
+
+    private function writeJSONString($b) {
+        $this->context_->write();
+
+        if (is_numeric($b) && $this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        } 
+
+        $this->trans_->write(json_encode($b));
+
+        if (is_numeric($b) && $this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        } 
+    }
+
+    private function writeJSONInteger($num) {
+        $this->context_->write();
+
+        if ($this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        }
+
+        $this->trans_->write($num);
+
+        if ($this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        }
+    }
+
+    private function writeJSONDouble($num) {
+        $this->context_->write();
+
+        if ($this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        }
+
+        $this->trans_->write(json_encode($num));
+
+        if ($this->context_->escapeNum()) {
+            $this->trans_->write(self::QUOTE);
+        }
+    }
+
+    private function writeJSONBase64($data) {
+        $this->context_->write();
+        $this->trans_->write(self::QUOTE);
+        $this->trans_->write(json_encode(base64_encode($data)));
+        $this->trans_->write(self::QUOTE);
+    }
+
+    private function writeJSONObjectStart() {
+      $this->context_->write();
+      $this->trans_->write(self::LBRACE);
+      $this->pushContext(new TJSONProtocol_JSONPairContext($this));
+    }
+
+    private function writeJSONObjectEnd() {
+      $this->popContext();
+      $this->trans_->write(self::RBRACE);
+    }
+
+    private function writeJSONArrayStart() {
+      $this->context_->write();
+      $this->trans_->write(self::LBRACKET);
+      $this->pushContext(new TJSONProtocol_JSONListContext($this));
+    }
+
+    private function writeJSONArrayEnd() {
+      $this->popContext();
+      $this->trans_->write(self::RBRACKET);
+    }
+
+    private function readJSONString($skipContext) {
+      if (!$skipContext) {
+        $this->context_->read();
+      }
+
+      $jsonString = '';
+      $lastChar = NULL;
+      while (true) {
+        $ch = $this->reader_->read();
+        $jsonString .= $ch;
+        if ($ch == self::QUOTE &&
+          $lastChar !== NULL &&
+            $lastChar !== self::ESCSEQ) {
+          break;
+        }
+        if ($ch == self::ESCSEQ && $lastChar == self::ESCSEQ) {
+          $lastChar = self::DOUBLEESC;
+        } else {
+          $lastChar = $ch;
+        }
+      }
+      return json_decode($jsonString);
+    }
+
+    private function isJSONNumeric($b) {
+        switch ($b) {
+            case '+':
+            case '-':
+            case '.':
+            case '0':
+            case '1':
+            case '2':
+            case '3':
+            case '4':
+            case '5':
+            case '6':
+            case '7':
+            case '8':
+            case '9':
+            case 'E':
+            case 'e':
+              return true;
+            }
+        return false;
+    }
+
+    private function readJSONNumericChars() {
+        $strbld = array();
+
+        while (true) {
+            $ch = $this->reader_->peek();
+
+            if (!$this->isJSONNumeric($ch)) {
+                break;
+            }
+
+            $strbld[] = $this->reader_->read();
+        }
+
+        return implode("", $strbld);
+    }
+
+    private function readJSONInteger() {
+        $this->context_->read();
+
+        if ($this->context_->escapeNum()) {
+            $this->readJSONSyntaxChar(self::QUOTE);
+        }
+
+        $str = $this->readJSONNumericChars();
+
+        if ($this->context_->escapeNum()) {
+            $this->readJSONSyntaxChar(self::QUOTE);
+        }
+
+        if (!is_numeric($str)) {
+            throw new TProtocolException("Invalid data in numeric: " . $str, TProtocolException::INVALID_DATA);
+        }
+
+        return intval($str);
+    }
+
+    /**
+     * Identical to readJSONInteger but without the final cast.
+     * Needed for proper handling of i64 on 32 bit machines.  Why a
+     * separate function?  So we don't have to force the rest of the
+     * use cases through the extra conditional.
+     */
+    private function readJSONIntegerAsString() {
+        $this->context_->read();
+
+        if ($this->context_->escapeNum()) {
+            $this->readJSONSyntaxChar(self::QUOTE);
+        }
+
+        $str = $this->readJSONNumericChars();
+
+        if ($this->context_->escapeNum()) {
+            $this->readJSONSyntaxChar(self::QUOTE);
+        }
+
+        if (!is_numeric($str)) {
+            throw new TProtocolException("Invalid data in numeric: " . $str, TProtocolException::INVALID_DATA);
+        }
+
+        return $str;
+    }
+
+    private function readJSONDouble() {
+        $this->context_->read();
+
+        if (substr($this->reader_->peek(), 0, 1) == self::QUOTE) {
+            $arr = $this->readJSONString(true);
+
+            if ($arr == "NaN") {
+                return NAN;
+            } else if ($arr == "Infinity") {
+                return INF;
+            } else if (!$this->context_->escapeNum()) {
+                throw new TProtocolException("Numeric data unexpectedly quoted " . $arr,
+                                              TProtocolException::INVALID_DATA);
+            }
+
+            return floatval($arr);
+        } else {
+            if ($this->context_->escapeNum()) {
+                $this->readJSONSyntaxChar(self::QUOTE);
+            }
+
+            return floatval($this->readJSONNumericChars());
+        }
+    }
+
+    private function readJSONBase64() {
+        $arr = $this->readJSONString(false);
+        $data = base64_decode($arr, true);
+
+        if ($data === false) {
+            throw new TProtocolException("Invalid base64 data " . $arr, TProtocolException::INVALID_DATA);
+        }
+
+        return $data;
+    }
+
+    private function readJSONObjectStart() {
+        $this->context_->read();
+        $this->readJSONSyntaxChar(self::LBRACE);
+        $this->pushContext(new TJSONProtocol_JSONPairContext($this));
+    }
+
+    private function readJSONObjectEnd() {
+        $this->readJSONSyntaxChar(self::RBRACE);
+        $this->popContext();
+    }
+
+    private function readJSONArrayStart()
+    {
+        $this->context_->read();
+        $this->readJSONSyntaxChar(self::LBRACKET);
+        $this->pushContext(new TJSONProtocol_JSONListContext($this));
+    }
+
+    private function readJSONArrayEnd() {
+        $this->readJSONSyntaxChar(self::RBRACKET);
+        $this->popContext();
+    }
+
+    /**
+     * Writes the message header
+     *
+     * @param string $name Function name
+     * @param int $type message type TMessageType::CALL or TMessageType::REPLY
+     * @param int $seqid The sequence id of this message
+     */
+    public function writeMessageBegin($name, $type, $seqid) {
+        $this->writeJSONArrayStart();
+        $this->writeJSONInteger(self::VERSION);
+        $this->writeJSONString($name);
+        $this->writeJSONInteger($type);
+        $this->writeJSONInteger($seqid);
+    }
+
+    /**
+     * Close the message
+     */
+    public function writeMessageEnd() {
+        $this->writeJSONArrayEnd();
+    }
+
+    /**
+     * Writes a struct header.
+     *
+     * @param string     $name Struct name
+     * @throws TException on write error
+     * @return int How many bytes written
+     */
+    public function writeStructBegin($name) {
+        $this->writeJSONObjectStart();
+    }
+
+    /**
+     * Close a struct.
+     *
+     * @throws TException on write error
+     * @return int How many bytes written
+     */
+    public function writeStructEnd() {
+        $this->writeJSONObjectEnd();
+    }
+
+    public function writeFieldBegin($fieldName, $fieldType, $fieldId) {
+        $this->writeJSONInteger($fieldId);
+        $this->writeJSONObjectStart();
+        $this->writeJSONString($this->getTypeNameForTypeID($fieldType));
+    }
+
+    public function writeFieldEnd() {
+        $this->writeJsonObjectEnd();
+    }
+
+    public function writeFieldStop() {
+    }
+
+    public function writeMapBegin($keyType, $valType, $size) {
+        $this->writeJSONArrayStart();
+        $this->writeJSONString($this->getTypeNameForTypeID($keyType));
+        $this->writeJSONString($this->getTypeNameForTypeID($valType));
+        $this->writeJSONInteger($size);
+        $this->writeJSONObjectStart();
+    }
+
+    public function writeMapEnd() {
+        $this->writeJSONObjectEnd();
+        $this->writeJSONArrayEnd();
+    }
+
+    public function writeListBegin($elemType, $size) {
+        $this->writeJSONArrayStart();
+        $this->writeJSONString($this->getTypeNameForTypeID($elemType));
+        $this->writeJSONInteger($size);
+    }
+
+    public function writeListEnd() {
+        $this->writeJSONArrayEnd();
+    }
+
+    public function writeSetBegin($elemType, $size) {
+        $this->writeJSONArrayStart();
+        $this->writeJSONString($this->getTypeNameForTypeID($elemType));
+        $this->writeJSONInteger($size);
+    }
+
+    public function writeSetEnd() {
+        $this->writeJSONArrayEnd();
+    }
+
+    public function writeBool($bool) {
+        $this->writeJSONInteger($bool ? 1 : 0);
+    }
+
+    public function writeByte($byte) {
+        $this->writeJSONInteger($byte);
+    }
+
+    public function writeI16($i16) {
+        $this->writeJSONInteger($i16);
+    }
+
+    public function writeI32($i32) {
+        $this->writeJSONInteger($i32);
+    }
+
+    public function writeI64($i64) {
+        $this->writeJSONInteger($i64);
+    }
+
+    public function writeDouble($dub) {
+        $this->writeJSONDouble($dub);
+    }
+
+    public function writeString($str) {
+        $this->writeJSONString($str);
+    }
+
+    /**
+     * Reads the message header
+     *
+     * @param string $name Function name
+     * @param int $type message type TMessageType::CALL or TMessageType::REPLY
+     * @parem int $seqid The sequence id of this message
+     */
+    public function readMessageBegin(&$name, &$type, &$seqid) {
+        $this->readJSONArrayStart();
+
+        if ($this->readJSONInteger() != self::VERSION) {
+            throw new TProtocolException("Message contained bad version", TProtocolException::BAD_VERSION);
+        }
+
+        $name = $this->readJSONString(false);
+        $type = $this->readJSONInteger();
+        $seqid = $this->readJSONInteger();
+
+        return true;
+    }
+
+    /**
+     * Read the close of message
+     */
+    public function readMessageEnd() {
+        $this->readJSONArrayEnd();
+    }
+
+    public function readStructBegin(&$name) {
+        $this->readJSONObjectStart();
+        return 0;
+    }
+
+    public function readStructEnd() {
+        $this->readJSONObjectEnd();
+    }
+
+    public function readFieldBegin(&$name, &$fieldType, &$fieldId) {
+        $ch = $this->reader_->peek();
+        $name = "";
+
+        if (substr($ch, 0, 1) == self::RBRACE) {
+            $fieldType = TType::STOP;
+        } else {
+            $fieldId = $this->readJSONInteger();
+            $this->readJSONObjectStart();
+            $fieldType = $this->getTypeIDForTypeName($this->readJSONString(false));
+        }
+    }
+
+    public function readFieldEnd() {
+        $this->readJSONObjectEnd();
+    }
+
+    public function readMapBegin(&$keyType, &$valType, &$size) {
+        $this->readJSONArrayStart();
+        $keyType = $this->getTypeIDForTypeName($this->readJSONString(false));
+        $valType = $this->getTypeIDForTypeName($this->readJSONString(false));
+        $size = $this->readJSONInteger();
+        $this->readJSONObjectStart();
+    }
+
+    public function readMapEnd() {
+        $this->readJSONObjectEnd();
+        $this->readJSONArrayEnd();
+    }
+
+    public function readListBegin(&$elemType, &$size) {
+        $this->readJSONArrayStart();
+        $elemType = $this->getTypeIDForTypeName($this->readJSONString(false));
+        $size = $this->readJSONInteger();
+        return true;
+    }
+
+    public function readListEnd() {
+        $this->readJSONArrayEnd();
+    }
+
+    public function readSetBegin(&$elemType, &$size) {
+        $this->readJSONArrayStart();
+        $elemType = $this->getTypeIDForTypeName($this->readJSONString(false));
+        $size = $this->readJSONInteger();
+        return true;
+    }
+
+    public function readSetEnd() {
+        $this->readJSONArrayEnd();
+    }
+
+    public function readBool(&$bool) {
+        $bool = $this->readJSONInteger() == 0 ? false : true;
+        return true;
+    }
+
+    public function readByte(&$byte) {
+        $byte = $this->readJSONInteger();
+        return true;
+    }
+
+    public function readI16(&$i16) {
+        $i16 = $this->readJSONInteger();
+        return true;
+    }
+
+    public function readI32(&$i32) {
+        $i32 = $this->readJSONInteger();
+        return true;
+    }
+
+    public function readI64(&$i64) {
+        if ( PHP_INT_SIZE === 4 ) {
+            $i64 = $this->readJSONIntegerAsString();
+        } else {
+            $i64 = $this->readJSONInteger();
+        }
+        return true;
+    }
+
+    public function readDouble(&$dub) {
+        $dub = $this->readJSONDouble();
+        return true;
+    }
+
+    public function readString(&$str) {
+        $str = $this->readJSONString(false);
+        return true;
+    }
+}
+
+/**
+ * JSON Protocol Factory
+ */
+class TJSONProtocolFactory implements TProtocolFactory
+{
+    public function __construct()
+    {
+    }
+
+    public function getProtocol($trans)
+    {
+        return new TJSONProtocol($trans);
+    }
+}
+
+class TJSONProtocol_JSONBaseContext
+{
+    function escapeNum()
+    {
+        return false;
+    }
+
+    function write()
+    {
+    }
+
+    function read()
+    {
+    }
+}
+
+class TJSONProtocol_JSONListContext extends TJSONProtocol_JSONBaseContext
+{
+    private $first_ = true;
+    private $p_;
+
+    public function __construct($p) {
+        $this->p_ = $p;
+    }
+
+    public function write() {
+        if ($this->first_) {
+            $this->first_ = false;
+        } else {
+            $this->p_->getTransport()->write(TJSONProtocol::COMMA);
+        }
+    }
+
+    public function read() {
+        if ($this->first_) {
+            $this->first_ = false;
+        } else {
+            $this->p_->readJSONSyntaxChar(TJSONProtocol::COMMA);
+        }
+    }
+}
+
+class TJSONProtocol_JSONPairContext extends TJSONProtocol_JSONBaseContext {
+    private $first_ = true;
+    private $colon_ = true;
+    private $p_ = null;
+
+    public function __construct($p) {
+        $this->p_ = $p;
+    }
+
+    public function write() {
+        if ($this->first_) {
+            $this->first_ = false;
+            $this->colon_ = true;
+        } else {
+            $this->p_->getTransport()->write($this->colon_ ? TJSONProtocol::COLON : TJSONProtocol::COMMA);
+            $this->colon_ = !$this->colon_;
+        }
+    }
+
+    public function read() {
+        if ($this->first_) {
+            $this->first_ = false;
+            $this->colon_ = true;
+        } else {
+            $this->p_->readJSONSyntaxChar($this->colon_ ? TJSONProtocol::COLON : TJSONProtocol::COMMA);
+            $this->colon_ = !$this->colon_;
+        }
+    }
+
+    public function escapeNum() {
+        return $this->colon_;
+    }
+}
+
+class TJSONProtocol_LookaheadReader
+{
+    private $hasData_ = false;
+    private $data_ = array();
+    private $p_;
+
+    public function __construct($p)
+    {
+        $this->p_ = $p;
+    }
+
+    public function read() {
+        if ($this->hasData_) {
+            $this->hasData_ = false;
+        } else {
+            $this->data_ = $this->p_->getTransport()->readAll(1);
+        }
+
+        return substr($this->data_, 0, 1);
+    }
+
+    public function peek() {
+        if (!$this->hasData_) {
+            $this->data_ = $this->p_->getTransport()->readAll(1);
+        }
+
+        $this->hasData_ = true;
+        return substr($this->data_, 0, 1);
+    }
+}
+
+