Upper case to lower case in codeigniter
public function signup_validation() { $this ->load->library('form_validation'); $this->form_validation->set_rules('username', 'Username', 'required|trim|is_unique[userinfo.username]|strtolower'); $this->form_validation->set_rules('password', 'Password', 'required|trim'); $this->form_validation->set_rules('cpassword', 'Confirm Password', 'required|trim|matches[password]'); $this->form_validation->set_message('is_unique', 'That Username Already Exists.'); if($this->form_validation->run()){ }else{ $this->load->view('signup'); } }
