6RFkGg86

1Understanding the passing of data/life of a script in web development/CodeIgniter
2<?php
3
4class Site extends CI_Controller {
5
6var $task1;
7var $tasks = array(
8                        "task1" => NULL,
9                        "date1" => 0,
10                        "date2" => 0,
11                        "diff" => 0);
12
13function __construct()
14{
15    parent::__construct();
16    include 'timetask.php';
17    $this->task1 = new TimeTask("create");      
18}   
19
20function index() 
21{   
22    $this->tasks['task1'] = $this->task1->getTask();
23    $this->tasks['diff'] = $this->task1->getTimeDiff();
24
25    if($this->tasks['diff'] == NULL)
26    {
27            $this->tasks['diff'] = 0;
28    }   
29
30    $this->load->view('usability_test', $this->tasks);
31}
32
33function origIndex() 
34{   
35    $this->task1->setDate1(new DateTime());
36    $this->tasks['date1'] = $this->task1->getDate1()->getTimestamp();
37    $data = array();
38
39    if($q = $this->site_model->get_records())
40    {
41        $data['records'] = $q;
42    }
43
44    $this->load->view('options_view', $data);
45}
46
47function create()
48{
49    $this->task1->setDate2(new DateTime());
50    $this->tasks['date2'] = $this->task1->getDate2()->getTimestamp();
51
52    $data = array(
53            'author' => $this->input->post('author'),
54            'title' => $this->input->post('title'),
55            'contents' => $this->input->post('contents')
56    );  
57
58    $this->site_model->add_record($data);
59    $this->index();
60
61}
62	
63<?php
64
65class TimeTask
66{
67private $task;
68
69/**
70 * @var DateTime
71 */
72private $date1, $date2;
73
74function __construct($currTask) 
75{
76    $this->task = $currTask;
77}
78
79public function getTimeDiff() 
80{
81    $hasDiff = $this->date1 && $this->date2;
82    if ($hasDiff) {
83        return $this->date2->getTimestamp() - $this->date1->getTimestamp();
84    } else {
85        return NULL;
86    }
87}
88
89public function __toString() 
90{
91    return (string) $this->getTimeDiff();
92}
93
94/**
95 * @return DateTime
96 */
97public function getDate1()
98{
99    return $this->date1;
100}
101
102/**
103 * @param DateTime $date1
104 */
105public function setDate1(DateTime $date1)
106{
107    $this->date1 = $date1;
108}
109
110/**
111 * @return DateTime
112 */
113public function getDate2()
114{
115    return $this->date2;
116}
117
118/**
119 * @param DateTime $date2
120 */
121public function setDate2(DateTime $date2)
122{
123    $this->date2 = $date2;
124}
125
126/**
127 * @return get current task
128 */
129 public function getTask()
130 {
131        return $this->task;
132 }
133
134}
135
136?>
137	
138<?php echo form_open('site/create');?>
139...and...
140<?php echo anchor("site/delete/$row->id", $row->title); ?>
141	
142CREATE TABLE IF NOT EXISTS  `ci_sessions` (
143session_id varchar(40) DEFAULT '0' NOT NULL,
144ip_address varchar(45) DEFAULT '0' NOT NULL,
145user_agent varchar(120) NOT NULL,
146last_activity int(10) unsigned DEFAULT 0 NOT NULL,
147user_data text NOT NULL,
148PRIMARY KEY (session_id),
149KEY `last_activity_idx` (`last_activity`)
150	
151$config['sess_use_database'] = TRUE;
152$config['sess_table_name'] = 'ci_sessions';