controller-b.php

public function post_edit_marker($id)
	{
		$input = Input::all();
		$file = Input::file('img_input');
		$rules = array(
			'name' => 'required|max:150|alpha',
			'address' => 'required|max:200|alpha_num',
			'lat' => 'required|numeric',
			'lng' => 'required|numeric',
			'type' => 'required|alpha',
			'img_input' => 'mimes:jpg,gif,png|image'
		);
		$v = Validator::make($input, $rules);
		if ( $v->fails() )
		{
			return Redirect::to_action('home@edit_marker/'.$id)->with_errors($v);
		}
		else
		{
			if (array_get($file, $file['tmp_name']))
			{
				//Input::upload('img_input', path('public').'/img/uploads', $file['name']);
				// save thumbnail,
				$success = Resizer::open( $file )
					->resize( 50 , 50 , 'crop')
					->save( 'public/img/uploads'.$file['name'] , 90);

				if ($success)
				{
					$marker = Marker::where('id', '=', $id)->first();
					$marker->name = $input['name'];
					$marker->address = $input['address'];
					$marker->lat = $input['lat'];
					$marker->lng = $input['lng'];
					$marker->type = $input['type'];
					$marker->client_id = (Session::has('client_id_s')) ? Session::get('client_id_s') : $input['client'];
					$marker->rem1 = ( !empty($input['rem1']) ) ? $input['rem1'] : '';
					$marker->rem2 = ( !empty($input['rem2']) ) ? $input['rem2'] : '';
					$marker->rem3 = ( !empty($input['rem3']) ) ? $input['rem3'] : '';
					$marker->rem4 = ( !empty($input['rem4']) ) ? $input['rem4'] : '';
					$marker->rem5 = ( !empty($input['rem5']) ) ? $input['rem5'] : '';

					$marker->save();

					return Redirect::to_action('home@edit_marker/'.$id)->with('message', 'Marker updated!');
				}
				else
				{
					return "Image not saved.";
				}
			}
		}
		
	}

controller.php

public function post_edit_marker($id)
	{
		$input = Input::all();
		$file = Input::file('img_input');
		$rules = array(
			'name' => 'required|max:150|alpha',
			'address' => 'required|max:200|alpha_num',
			'lat' => 'required|numeric',
			'lng' => 'required|numeric',
			'type' => 'required|alpha',
			'img_input' => 'mimes:jpg,gif,png|image'
		);
		$v = Validator::make($input, $rules);
		if ( $v->fails() )
		{
			return Redirect::to_action('home@edit_marker/'.$id)->with_errors($v);
		}
		else
		{
			if (array_get($file, $file['tmp_name']))
			{
				//Input::upload('img_input', path('public').'/img/uploads', $file['name']);
				// save thumbnail,
				$success = Resizer::open( $file )
					->resize( 50 , 50 , 'crop')
					->save( 'public/img/uploads'.$file['name'] , 90);
			}
			$marker = Marker::where('id', '=', $id)->first();
			$marker->name = $input['name'];
			$marker->address = $input['address'];
			$marker->lat = $input['lat'];
			$marker->lng = $input['lng'];
			$marker->type = $input['type'];
			$marker->client_id = (Session::has('client_id_s')) ? Session::get('client_id_s') : $input['client'];
			$marker->rem1 = ( !empty($input['rem1']) ) ? $input['rem1'] : '';
			$marker->rem2 = ( !empty($input['rem2']) ) ? $input['rem2'] : '';
			$marker->rem3 = ( !empty($input['rem3']) ) ? $input['rem3'] : '';
			$marker->rem4 = ( !empty($input['rem4']) ) ? $input['rem4'] : '';
			$marker->rem5 = ( !empty($input['rem5']) ) ? $input['rem5'] : '';

			$marker->save();

			return Redirect::to_action('home@edit_marker/'.$id)->with('message', 'Marker updated!');
		}
		
	}

view.php

echo Form::control_group(Form::label('img_input', 'Image'),
				Form::file('img_input'));