Using Codeigniter Form + Validation Libraries

Controller_addProject.php

/* 
* Controller for Projects
*/
public function addProject() {
		$this->load->helper('form');
		$this->load->library('form_validation');
		$config = array(
			array(
			'field' => 'client',
			'label'	=> 'Client Name',
			'rules'	=> 'required'
			),
			array(
			'field' => 'project_name',
			'label'	=> 'Project Name',
			'rules'	=> 'required'
			),
			array(
			'field' => 'price',
			'label'	=> 'Price',
			'rules'	=> 'required|numeric'
			)
		);
		
		$this->form_validation->set_rules($config);
		
		if ($this->form_validation->run() == TRUE)
		{
			$this->projects_model->addProject(
			$this->input->post('client'),
			$this->input->post('project_name'),
			$this->input->post('price'),
			$this->input->post('deadline'),
			$this->input->post('notes')
			);
			$this->session->set_flashdata('success_message', 'Project Successfully Added!');
			redirect("/projects/");
		}
		else{
			$this->load->view('projects/add', isset($data) ? $data : NULL);
		}
	}