diff --git a/lib/php/lib/Thrift/Serializer/TBinarySerializer.php b/lib/php/lib/Thrift/Serializer/TBinarySerializer.php
index 7e0cf8b..aa2f71b 100644
--- a/lib/php/lib/Thrift/Serializer/TBinarySerializer.php
+++ b/lib/php/lib/Thrift/Serializer/TBinarySerializer.php
@@ -57,7 +57,7 @@
     return $transport->getBuffer();
   }
 
-  public static function deserialize($string_object, $class_name)
+  public static function deserialize($string_object, $class_name, $buffer_size  = 8192)
   {
      $transport = new TMemoryBuffer();
      $protocol = new TBinaryProtocolAccelerated($transport);
@@ -72,7 +72,8 @@
        $protocolTransport->flush();
 
        return thrift_protocol_read_binary($protocol, $class_name,
-                                          $protocol->isStrictRead());
+                                          $protocol->isStrictRead(),
+                                          $buffer_size);
      } else {
        $transport->write($string_object);
        $object = new $class_name();
diff --git a/lib/php/lib/Thrift/Transport/TMemoryBuffer.php b/lib/php/lib/Thrift/Transport/TMemoryBuffer.php
index 5fc26bf..ca31c57 100644
--- a/lib/php/lib/Thrift/Transport/TMemoryBuffer.php
+++ b/lib/php/lib/Thrift/Transport/TMemoryBuffer.php
@@ -92,4 +92,9 @@
   {
     return TStringFuncFactory::create()->strlen($this->buf_);
   }
+
+  public function putBack($data)
+  {
+    $this->buf_ = $data.$this->buf_;
+  }
 }
diff --git a/lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp b/lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp
index 65cfb16..a0de645 100644
--- a/lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp
+++ b/lib/php/src/ext/thrift_protocol/php_thrift_protocol.cpp
@@ -994,7 +994,7 @@
   }
 }
 
-// 3 params: $transport $response_Typename $strict_read
+// 4 params: $transport $response_Typename $strict_read $buffer_size
 PHP_FUNCTION(thrift_protocol_read_binary) {
   int argc = ZEND_NUM_ARGS();
 
@@ -1017,8 +1017,19 @@
     RETURN_NULL();
   }
 
+  if (argc == 4 && Z_TYPE_PP(args[3]) != IS_LONG) {
+    php_error_docref(NULL TSRMLS_CC, E_ERROR, "4nd parameter is not an integer (typename of expected buffer size)");
+    efree(args);
+    RETURN_NULL();
+  }
+
   try {
-    PHPInputTransport transport(*args[0]);
+    size_t buffer_size = 8192;
+    if (argc == 4) {
+      buffer_size = Z_LVAL_PP(args[3]);
+    }
+
+    PHPInputTransport transport(*args[0], buffer_size);
     char* obj_typename = Z_STRVAL_PP(args[1]);
     convert_to_boolean(*args[2]);
     bool strict_read = Z_BVAL_PP(args[2]);
diff --git a/lib/php/src/ext/thrift_protocol/php_thrift_protocol7.cpp b/lib/php/src/ext/thrift_protocol/php_thrift_protocol7.cpp
index e482762..c4c76cf 100644
--- a/lib/php/src/ext/thrift_protocol/php_thrift_protocol7.cpp
+++ b/lib/php/src/ext/thrift_protocol/php_thrift_protocol7.cpp
@@ -959,18 +959,19 @@
 }
 
 
-// 3 params: $transport $response_typename $strict_read
+// 4 params: $transport $response_Typename $strict_read $buffer_size
 PHP_FUNCTION(thrift_protocol_read_binary) {
   zval *protocol;
   zend_string *obj_typename;
   zend_bool strict_read;
+  size_t buffer_size = 8192;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "oSb", &protocol, &obj_typename, &strict_read) == FAILURE) {
+  if (zend_parse_parameters(ZEND_NUM_ARGS(), "oSb|l", &protocol, &obj_typename, &strict_read, &buffer_size) == FAILURE) {
     return;
   }
 
   try {
-    PHPInputTransport transport(protocol);
+    PHPInputTransport transport(protocol, buffer_size);
     int8_t messageType = 0;
     int32_t sz = transport.readI32();