public function post($key = null, $default = null)
	{
		if ( is_null($key) )
		{
			return $this->post;
		}

		return Arr::get($this->post, $key, $default);
	}
public function post($key = null, $default = null)
	{
		if ( is_null($key) )
		{
			return $this->post;
		}

		return Arr::get($this->post, $key, $default);
	}
public function post ( $ key = null , $ default = null ) { if ( is_null ( $ key ) ) { return $ this -> post ; } return Arr :: get ( $ this -> post , $ key , $ default ) ; }
Gets POST data

@param  string|null $key     Key to fetch, or null to return the full array
@param  mixed       $default Default value if the key does not exist

@return mixed

@since 2.0
Gets POST data