McGansWebsite/application/controllers/Welcome.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Welcome extends CI_Controller {
	public function __construct()
	{
		parent::__construct();
		$this->load->model('WelcomeModel');
	}

	/**
	 * Index Page for this controller.
	 *
	 * Maps to the following URL
	 * 		http://example.com/index.php/welcome
	 *	- or -
	 * 		http://example.com/index.php/welcome/index
	 *	- or -
	 * Since this controller is set as the default controller in
	 * config/routes.php, it's displayed at http://example.com/
	 *
	 * So any other public methods not prefixed with an underscore will
	 * map to /index.php/welcome/<method_name>
	 * @see https://codeigniter.com/user_guide/general/urls.html
	 */
	public function index()
	{
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		$this->load->view('index',$data);
	}
	public function subjectList($id)
	{
		
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		
		//echo $this->db->last_query();exit;
		$data['subject_list']=$this->WelcomeModel->subject_list($id);
		//echo $this->db->last_query();exit;
		$this->load->view('subject_list',$data);
	}
	public function subjectDetail($id)
	{
		
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		
		//echo $this->db->last_query();exit;
		$data['subject_Det']=$this->WelcomeModel->subject_Detail($id);
		//echo $this->db->last_query();exit;
		$this->load->view('subject',$data);
	}
	
	public function projectDetail($id)
	{
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		
		//echo $this->db->last_query();exit;
		$data['projectdetail']=$this->WelcomeModel->projectDetail($id);
		//echo $this->db->last_query();exit;
		$this->load->view('project_details',$data);
	}
	
	public function about()
	{
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		
		$this->load->view('about',$data);
	}
	public function contact()
	{
		$data['lastId']=$this->WelcomeModel->getLastId();
		$data['dep']=$this->WelcomeModel->dep_list();
		$data['semester']=$this->WelcomeModel->semesterList();
		
		$this->load->view('contact',$data);
	}
	function getDepartment()
	{
		$defaultId=$_POST['defaultId']; 
		$data=$_POST['data']; 
		$hidd=$_POST['hidd']; 
		
		$this->session->set_userdata('dateYear',$data);		
		$this->session->set_userdata('dataId',$hidd);	
		
		$getDepartment=$this->WelcomeModel->getDepartment($defaultId);
		//echo $this->db->last_query();
		if(isset($getDepartment) && $getDepartment->num_rows()>0)
		{
			foreach($getDepartment->result() as $list)
			{
				$depId=$list->depId;
				$depName=$list->depName;
				$depCode=$list->depCode;
				$depImage=$list->depImage;
				?> 
				<a href="<?=base_url();?>subject-list/<?=$depId?>">
					 <div class="box-item" style="margin-bottom:15px;">
						<?php if($depImage!=""){
						?>
						<img  src="<?=base_url();?>admin/uploads/department/<?=$depImage;?>"  class="respimg" alt="">
						<?php
						}else{?>
						<img  src="https://ui-avatars.com/api/?name=<?=$depCode?>?background=random&color=random"  class="respimg" alt="">
						<?php }?>
						<div class="overlay">
						<h3 style="color: white;font-size: 20px; position: inherit;top: 50%;left: 50%;-webkit-transform: translate(-50%, -50%);-ms-transform: translate(-50%, -50%);transform: translate(-50%, -50%);text-align: center;">
						<?=$depCode;?>
						</h3>
						</div>
					</div>
					<h1 style="font-size:20px;padding-top:5px"><?=$depName?></h1>
				</div>
				</a>
				<?php
			}
		}
	}
	function getDepartmentClick()
	{
		$data=$_POST['data']; 
		$dataId=$_POST['dataId']; 
		
		$this->session->set_userdata('dateYear',$data);		
		$this->session->set_userdata('dataId',$dataId);		
		
		$getDepartment=$this->WelcomeModel->getDepartment($dataId);
		//echo $this->db->last_query();
		if(isset($getDepartment) && $getDepartment->num_rows()>0)
		{
			foreach($getDepartment->result() as $list)
			{
				$depId=$list->depId;
				$depName=$list->depName;
				$depCode=$list->depCode;
				$depImage=$list->depImage;
				?> 
				<a href="<?=base_url();?>subject-list/<?=$depId?>">
					 <div class="box-item" style="margin-bottom:15px;">
						<?php if($depImage!=""){
						?>
						<img  src="<?=base_url();?>admin/uploads/department/<?=$depImage;?>"  class="respimg" alt="">
						<?php
						}else{?>
						<img  src="https://ui-avatars.com/api/?name=<?=$depCode?>?background=random&color=random"  class="respimg" alt="">
						<?php }?>
						<div class="overlay"></div>
					</div>
					<h1 style="font-size:20px;padding-top:5px"><?=$depName?></h1>
				</div>
				</a>
				<?php
			}
		}
	}
}