diff --git a/README.md b/README.md
index 6ee3f51..be36f1d 100644
--- a/README.md
+++ b/README.md
@@ -81,89 +81,171 @@ PHP API
 =======
 
 ```php
-    class V8Js
-    {
-        /* Constants */
+<?php
+class V8Js
+{
+    /* Constants */
 
-        const string V8_VERSION;
+    const V8_VERSION = '';
 
-        const int FLAG_NONE;
-        const int FLAG_FORCE_ARRAY;
+    const FLAG_NONE = 1;
+    const FLAG_FORCE_ARRAY = 2;
 
-        const int DEBUG_AUTO_BREAK_NEVER;
-        const int DEBUG_AUTO_BREAK_ONCE;
-        const int DEBUG_AUTO_BREAK_ALWAYS;
-    
-        /* Methods */
+    const DEBUG_AUTO_BREAK_NEVER = 1;
+    const DEBUG_AUTO_BREAK_ONCE = 2;
+    const DEBUG_AUTO_BREAK_ALWAYS = 3;
 
-        // Initializes and starts V8 engine and Returns new V8Js object with it's own V8 context.
-        public __construct ( [ string $object_name = "PHP" [, array $variables = NULL [, array $extensions = NULL [, bool $report_uncaught_exceptions = TRUE ] ] ] )
+    /* Methods */
 
-        // Provide a function or method to be used to load required modules. This can be any valid PHP callable.
-        // The loader function will receive the normalised module path and should return Javascript code to be executed.
-        public setModuleLoader ( callable $loader )
+    /**
+     * Initializes and starts V8 engine and Returns new V8Js object with it's own V8 context.
+     * @param string $object_name
+     * @param array $variables
+     * @param array $extensions
+     * @param bool $report_uncaught_exceptions
+     */
+    public function __construct($object_name = "PHP", array $variables = NULL, array $extensions = NULL, $report_uncaught_exceptions = TRUE)
+    {}
 
-        // Compiles and executes script in object's context with optional identifier string.
-        // A time limit (milliseconds) and/or memory limit (bytes) can be provided to restrict execution. These options will throw a V8JsTimeLimitException or V8JsMemoryLimitException.
-        public mixed V8Js::executeString( string $script [, string $identifier [, int $flags = V8Js::FLAG_NONE [, int $time_limit = 0 [, int $memory_limit = 0]]]])
+    /**
+     * Provide a function or method to be used to load required modules. This can be any valid PHP callable.
+     * The loader function will receive the normalised module path and should return Javascript code to be executed.
+     * @param callable $loader
+     */
+    public function setModuleLoader(callable $loader)
+    {}
 
-        // Compiles a script in object's context with optional identifier string.
-        public mixed V8Js::compileString( string $script [, string $identifier ])
+    /**
+     * Compiles and executes script in object's context with optional identifier string.
+     * A time limit (milliseconds) and/or memory limit (bytes) can be provided to restrict execution. These options will throw a V8JsTimeLimitException or V8JsMemoryLimitException.
+     * @param string $script
+     * @param string $identifier
+     * @param int $flags
+     * @param int $time_limit in milliseconds
+     * @param int $memory_limit in bytes
+     * @return mixed
+     */
+    public function executeString($script, $identifier = '', $flags = V8Js::FLAG_NONE, $time_limit = 0, $memory_limit = 0)
+    {}
 
-        // Executes a precompiled script in object's context.
-        // A time limit (milliseconds) and/or memory limit (bytes) can be provided to restrict execution. These options will throw a V8JsTimeLimitException or V8JsMemoryLimitException.
-        public mixed V8Js::executeScript( resource $script [, int $flags = V8Js::FLAG_NONE [, int $time_limit = 0 [, int $memory_limit = 0]]])
+    /**
+     * Compiles a script in object's context with optional identifier string.
+     * @param $script
+     * @param string $identifier
+     * @return resource
+     */
+    public function compileString($script, $identifier = '')
+    {}
 
-        // Returns uncaught pending exception or null if there is no pending exception.
-        public V8JsScriptException V8Js::getPendingException( )
+    /**
+     * Executes a precompiled script in object's context.
+     * A time limit (milliseconds) and/or memory limit (bytes) can be provided to restrict execution. These options will throw a V8JsTimeLimitException or V8JsMemoryLimitException.
+     * @param resource $script
+     * @param int $flags
+     * @param int $time_limit
+     * @param int $memory_limit
+     */
+    public function executeScript($script, $flags = V8Js::FLAG_NONE, $time_limit = 0 , $memory_limit = 0)
+    {}
 
-        // Clears the uncaught pending exception
-        public clearPendingException( )
+    /**
+     * Set the time limit (in milliseconds) for this V8Js object
+     * works similar to the set_time_limit php
+     * @param int $limit
+     */
+    public function setTimeLimit($limit)
+    {}
 
-        // Starts V8 debug agent for use with Google Chrome Developer Tools (Eclipse Plugin)
-        public bool startDebugAgent( [ string $agent_name = "V8Js" [, $port = 9222 [, $auto_break = V8Js::DEBUG_AUTO_BREAK_NEVER ] ] ] )
+    /**
+     * Set the memory limit (in bytes) for this V8Js object
+     * @param int $limit
+     */
+    public function setMemoryLimit($limit)
+    {}
 
-        /** Static methods **/
+    /**
+     * Returns uncaught pending exception or null if there is no pending exception.
+     * @return V8JsScriptException|null
+     */
+    public function getPendingException()
+    {}
 
-        // Registers persistent context independent global Javascript extension.
-        // NOTE! These extensions exist until PHP is shutdown and they need to be registered before V8 is initialized. 
-        // For best performance V8 is initialized only once per process thus this call has to be done before any V8Js objects are created!
-        public static bool V8Js::registerExtension( string $extension_name, string $code [, array $dependenciess [, bool $auto_enable = FALSE ] ] )
+    /**
+     * Clears the uncaught pending exception
+     */
+    public function clearPendingException()
+    {}
 
-        // Returns extensions successfully registered with V8Js::registerExtension().
-        public static array V8Js::getExtensions( )
-    }
+    /**
+     * Starts V8 debug agent for use with Google Chrome Developer Tools (Eclipse Plugin)
+     * @param string $agent_name
+     * @param int $port
+     * @param int $auto_break
+     * @return bool
+     */
+    public function startDebugAgent($agent_name = "V8Js", $port = 9222, $auto_break = V8Js::DEBUG_AUTO_BREAK_NEVER)
+    {}
 
-    class V8JsException extends RuntimeException
-    {
-    }
+    /** Static methods **/
 
-    final class V8JsScriptException extends V8JsException
-    {
-        /* Properties */
-        protected string JsFileName = NULL;
-        protected int JsLineNumber = NULL;
-        protected int JsStartColumn = NULL;
-        protected int JsEndColumn = NULL;
-        protected string JsSourceLine = NULL;
-        protected string JsTrace = NULL;
-        
-        /* Methods */
-        final public string getJsFileName( )
-        final public int getJsLineNumber( )
-        final public int getJsStartColumn( )
-        final public int getJsEndColumn( )
-        final public string getJsSourceLine( )
-        final public string getJsTrace( )
-    }
+    /**
+     * Registers persistent context independent global Javascript extension.
+     * NOTE! These extensions exist until PHP is shutdown and they need to be registered before V8 is initialized.
+     * For best performance V8 is initialized only once per process thus this call has to be done before any V8Js objects are created!
+     * @param string $extension_name
+     * @param string $code
+     * @param array $dependencies
+     * @param bool $auto_enable
+     * @return bool
+     */
+    public static function registerExtension($extension_name, $code, array $dependencies, $auto_enable = FALSE)
+    {}
 
-    final class V8JsTimeLimitException extends V8JsException
-    {
-    }
+    /**
+     * Returns extensions successfully registered with V8Js::registerExtension().
+     * @return array|string[]
+     */
+    public static function getExtensions()
+    {}
+}
 
-    final class V8JsMemoryLimitException extends V8JsException
-    {
-    }
+final class V8JsScriptException extends Exception
+{
+    /**
+     * @return string
+     */
+    final public function getJsFileName( ) {}
+
+    /**
+     * @return int
+     */
+    final public function getJsLineNumber( ) {}
+    /**
+     * @return int
+     */
+    final public function getJsStartColumn( ) {}
+    /**
+     * @return int
+     */
+    final public function getJsEndColumn( ) {}
+
+    /**
+     * @return string
+     */
+    final public function getJsSourceLine( ) {}
+    /**
+     * @return string
+     */
+    final public function getJsTrace( ) {}
+}
+
+final class V8JsTimeLimitException extends Exception
+{
+}
+
+final class V8JsMemoryLimitException extends Exception
+{
+}
 ```
 
 Javascript API