diff --git a/.gitignore b/.gitignore
index a72b52e..fd24291 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,7 +6,7 @@ lib-cov
 *.out
 *.pid
 *.gz
-
+.idea/
 pids
 logs
 results
diff --git a/php-unserialize.js b/php-unserialize.js
index b87c447..bb6198b 100644
--- a/php-unserialize.js
+++ b/php-unserialize.js
@@ -15,6 +15,23 @@ exports.unserializeSession = unserializeSession;
  * @return unserialized data
  * @throws
  */
+function nth_occurrence (string, char, nth) {
+    var first_index = string.indexOf(char);
+    var length_up_to_first_index = first_index + 1;
+
+    if (nth == 1) {
+        return first_index;
+    } else {
+        var string_after_first_occurrence = string.slice(length_up_to_first_index);
+        var next_occurrence = nth_occurrence(string_after_first_occurrence, char, nth - 1);
+
+        if (next_occurrence === -1) {
+            return -1;
+        } else {
+            return length_up_to_first_index + next_occurrence;
+        }
+    }
+}
 function unserialize (data) {
   // http://kevin.vanzonneveld.net
   // +     original by: Arpad Ray (mailto:arpad@php.net)
@@ -138,7 +155,33 @@ function unserialize (data) {
             error('SyntaxError', 'String length mismatch');
           }
           break;
-        case 'a':
+          case 'o':
+              var objectIndex=nth_occurrence(data,':',3);
+              data='a'+data.substring(objectIndex);
+              readdata = {};
+
+              keyandchrs = read_until(data, dataoffset, ':');
+              chrs = keyandchrs[0];
+              keys = keyandchrs[1];
+              dataoffset += chrs + 2;
+
+              for (i = 0; i < parseInt(keys, 10); i++) {
+                  kprops = _unserialize(data, dataoffset);
+                  kchrs = kprops[1];
+                  key = kprops[2];
+                  dataoffset += kchrs;
+
+                  vprops = _unserialize(data, dataoffset);
+                  vchrs = vprops[1];
+                  value = vprops[2];
+                  dataoffset += vchrs;
+
+                  readdata[key] = value;
+              }
+
+              dataoffset += 1;
+          break;
+          case 'a':
           readdata = {};
 
           keyandchrs = read_until(data, dataoffset, ':');
diff --git a/test/fixtures/serialized-data-5.txt b/test/fixtures/serialized-data-5.txt
new file mode 100644
index 0000000..bf15177
--- /dev/null
+++ b/test/fixtures/serialized-data-5.txt
@@ -0,0 +1 @@
+O:8:'stdClass':0:{}
diff --git a/test/fixtures/unserialized-data-5.json b/test/fixtures/unserialized-data-5.json
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/test/fixtures/unserialized-data-5.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/test/unserialize.js b/test/unserialize.js
index 4fd3420..269936b 100644
--- a/test/unserialize.js
+++ b/test/unserialize.js
@@ -1,4 +1,3 @@
-
 var expect = require('chai').expect;
 var readFile = require('fs').readFile;
 var path = require('path');
@@ -6,33 +5,34 @@ var path = require('path');
 var unserialize = require('..').unserialize;
 
 
-function test_serialized_data (i) {
-  return function (done) {
-    var expected = require('./fixtures/unserialized-data-' + i + '.json');
-    readFile(path.join(__dirname, 'fixtures', 'serialized-data-' + i + '.txt'), function (err, buffer) {
-      if (err) return done(err);
-      var unserialized = unserialize(buffer.toString());
-      expect(unserialized).to.eql(expected);
-      done();
-    });
-  };
+function test_serialized_data(i) {
+    return function (done) {
+        var expected = require('./fixtures/unserialized-data-' + i + '.json');
+        readFile(path.join(__dirname, 'fixtures', 'serialized-data-' + i + '.txt'), function (err, buffer) {
+            if (err) return done(err);
+            var unserialized = unserialize(buffer.toString());
+            expect(unserialized).to.eql(expected);
+            done();
+        });
+    };
 }
 
-function test_serialized_error (i) {
-  return function (done) {
-    readFile(path.join(__dirname, 'fixtures', 'serialized-error-' + i + '.txt'), function (err, buffer) {
-      if (err) return done(err);
-      expect(unserialize.bind(this, buffer.toString())).to.throw(SyntaxError);
-      done();
-    });
-  };
+function test_serialized_error(i) {
+    return function (done) {
+        readFile(path.join(__dirname, 'fixtures', 'serialized-error-' + i + '.txt'), function (err, buffer) {
+            if (err) return done(err);
+            expect(unserialize.bind(this, buffer.toString())).to.throw(SyntaxError);
+            done();
+        });
+    };
 }
 
 describe('unserialize()', function () {
-  it('should unserialize data sample #1', test_serialized_data(1));
-  it('should unserialize data sample #2', test_serialized_data(2));
-  it('should unserialize data sample #3', test_serialized_data(3));
-  it('should unserialize data sample #4', test_serialized_data(4));
-  it('should fail on erronous data sample #1', test_serialized_error(1));
-  it('should fail on erronous data sample #2', test_serialized_error(1));
+    it('should unserialize data sample #1', test_serialized_data(1));
+    it('should unserialize data sample #2', test_serialized_data(2));
+    it('should unserialize data sample #3', test_serialized_data(3));
+    it('should unserialize data sample #4', test_serialized_data(4));
+    it('should unserialize data sample #5', test_serialized_data(5));
+    it('should fail on erronous data sample #1', test_serialized_error(1));
+    it('should fail on erronous data sample #2', test_serialized_error(1));
 });