I have stored few items in the form of multidimensional arrays in userdata and want to access them.Well new to CI please help me out : Code below is basically what i did in actual. here lets say i want to access : array at index 3 and 4th element of that same array

  <?php 

$data = array(	array('1','2','3'),
         	 '4', '5', 
		 array('abc', 'klm','xyz'),
		 array('1', '2', '88908', '3', '4')

		);
$this->session->set_userdata('data', $data);

print_r($this->session->userdata('data["5"]["4"]'));
?>

i want to access only 88908

