Form Validation and Arrays

well you talk about how to check variable post in array, don't you ? so i will not disscuss about validation ya,

please check here just tested in yours, cause it working for me

Code:

$itemName = $this->input->post('your input type name');
if (is_array($itemName))
{
//do your own code bro, here is array !
} else
{
//stop it's not array
}

Hope this help you !