CodeIgniter’s Pagination class is very easy to use. I set up following code.
Create this file Pagination.php in the system/libraries/Pagination.php folder
system/libraries/Pagination.php
001.<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');002./**003. * CodeIgniter004. *005. * An open source application development framework for PHP 4.3.2 or newer006. *007. * @package CodeIgniter008. * @author ExpressionEngine Dev Team009. * @copyright Copyright (c) 2006, EllisLab, Inc.010. * @license http://codeigniter.com/user_guide/license.html011. * @link http://codeigniter.com012. * @since Version 1.0013. * @filesource014. */015. 016.// ------------------------------------------------------------------------ 017. 018./**019. * Pagination Class020. *021. * @package CodeIgniter022. * @subpackage Libraries023. * @category Pagination024. * @author ExpressionEngine Dev Team026. */027.class CI_Pagination { 028. 029. var $base_url = ''; // The page we are linking to030. var $total_rows = ''; // Total number of items (database results)031. var $per_page = 10; // Max number of items you want shown per page032. var $num_links = 2; // Number of "digit" links to show before/after the currently viewed page033. var $cur_page = 0; // The current page being viewed034. var $first_link = '‹ Start';035. var $next_link = '>';036. var $prev_link = '<';037. var $last_link = 'End ›';038. var $uri_segment = 3;039. var $full_tag_open = '';040. var $full_tag_close = '';041. var $first_tag_open = '';042. var $first_tag_close = ' ';043. var $last_tag_open = ' ';044. var $last_tag_close = '';045. var $cur_tag_open = ' <b>';046. var $cur_tag_close = '</b>';047. var $next_tag_open = ' ';048. var $next_tag_close = ' ';049. var $prev_tag_open = ' ';050. var $prev_tag_close = '';051. var $num_tag_open = ' ';052. var $num_tag_close = '';053. var $page_query_string = FALSE;054. var $query_string_segment = 'per_page'; 055. 056. /**057. * Constructor058. *059. * @access public060. * @param array initialization parameters061. */062. function CI_Pagination($params = array())063. {064. if (count($params) > 0)065. {066. $this->initialize($params);067. } 068. 069. log_message('debug', "Pagination Class Initialized");070. } 071. 072. // -------------------------------------------------------------------- 073. 074. /**075. * Initialize Preferences076. *077. * @access public078. * @param array initialization parameters079. * @return void080. */081. function initialize($params = array())082. {083. if (count($params) > 0)084. {085. foreach ($params as $key => $val)086. {087. if (isset($this->$key))088. {089. $this->$key = $val;090. }091. }092. }093. } 094. 095. // -------------------------------------------------------------------- 096. 097. /**098. * Generate the pagination links099. *100. * @access public101. * @return string102. */ 103. 104. function create_links()105. {106. // If our item count or per-page total is zero there is no need to continue.107. if ($this->total_rows == 0 OR $this->per_page == 0)108. {109. return '';110. } 111. 112. // Calculate the total number of pages113. $num_pages = ceil($this->total_rows / $this->per_page); 114. 115. // Is there only one page? Hm... nothing more to do here then.116. if ($num_pages == 1)117. {118. return '';119. } 120. 121. // Determine the current page number.122. $CI =& get_instance(); 123. 124. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)125. {126. if ($CI->input->get($this->query_string_segment) != 0)127. {128. $this->cur_page = $CI->input->get($this->query_string_segment); 129. 130. // Prep the current page - no funny business!131. $this->cur_page = (int) $this->cur_page;132. }133. }134. else135. {136. if ($CI->uri->segment($this->uri_segment) != 0)137. {138. $this->cur_page = $CI->uri->segment($this->uri_segment); 139. 140. // Prep the current page - no funny business!141. $this->cur_page = (int) $this->cur_page;142. }143. } 144. 145. $this->num_links = (int)$this->num_links; 146. 147. if ($this->num_links < 1)148. {149. show_error('Your number of links must be a positive number.');150. } 151. 152. if ( ! is_numeric($this->cur_page))153. {154. $this->cur_page = 0;155. } 156. 157. // Is the page number beyond the result range?158. // If so we show the last page159. if ($this->cur_page > $this->total_rows)160. {161. $this->cur_page = ($num_pages - 1) * $this->per_page;162. } 163. 164. $uri_page_number = $this->cur_page;165. $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); 166. 167. // Calculate the start and end numbers. These determine168. // which number to start and end the digit links with169. $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;170. $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages; 171. 172. // Is pagination being used over GET or POST? If get, add a per_page query173. // string. If post, add a trailing slash to the base URL if needed174. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)175. {176. $this->base_url = rtrim($this->base_url).AMP.$this->query_string_segment.'=';177. }178. else179. {180. $this->base_url = rtrim($this->base_url, '/') .'/';181. } 182. 183. // And here we go...184. $output = ''; 185. 186. // Render the "First" link187. if ($this->cur_page > $this->num_links)188. {189. $output .= $this->first_tag_open.'<a href="'.$this->base_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;190. } 191. 192. // Render the "previous" link193. if ($this->cur_page != 1)194. {195. $i = $uri_page_number - $this->per_page;196. if ($i == 0) $i = '';197. $output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;198. } 199. 200. // Write the digit links201. for ($loop = $start -1; $loop <= $end; $loop++)202. {203. $i = ($loop * $this->per_page) - $this->per_page; 204. 205. if ($i >= 0)206. {207. if ($this->cur_page == $loop)208. {209. $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page210. }211. else212. {213. $n = ($i == 0) ? '' : $i;214. $output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;215. }216. }217. } 218. 219. // Render the "next" link220. if ($this->cur_page < $num_pages)221. {222. $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;223. } 224. 225. // Render the "Last" link226. if (($this->cur_page + $this->num_links) < $num_pages)227. {228. $i = (($num_pages * $this->per_page) - $this->per_page);229. $output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;230. } 231. 232. // Kill double slashes. Note: Sometimes we can end up with a double slash233. // in the penultimate link so we'll kill all double slashes.234. $output = preg_replace("#([^:])//+#", "\1/", $output); 235. 236. // Add the wrapper HTML if exists237. $output = $this->full_tag_open.$output.$this->full_tag_close; 238. 239. return $output;240. } 241. 242. function create_links_left()243. {244. // If our item count or per-page total is zero there is no need to continue.245. if ($this->total_rows == 0 OR $this->per_page == 0)246. {247. return '';248. } 249. 250. // Calculate the total number of pages251. $num_pages = ceil($this->total_rows / $this->per_page); 252. 253. // Is there only one page? Hm... nothing more to do here then.254. if ($num_pages == 1)255. {256. return '';257. } 258. 259. // Determine the current page number.260. $CI =& get_instance(); 261. 262. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)263. {264. if ($CI->input->get($this->query_string_segment) != 0)265. {266. $this->cur_page = $CI->input->get($this->query_string_segment); 267. 268. // Prep the current page - no funny business!269. $this->cur_page = (int) $this->cur_page;270. }271. }272. else273. {274. if ($CI->uri->segment($this->uri_segment) != 0)275. {276. $this->cur_page = $CI->uri->segment($this->uri_segment); 277. 278. // Prep the current page - no funny business!279. $this->cur_page = (int) $this->cur_page;280. }281. } 282. 283. $this->num_links = (int)$this->num_links; 284. 285. if ($this->num_links < 1)286. {287. show_error('Your number of links must be a positive number.');288. } 289. 290. if ( ! is_numeric($this->cur_page))291. {292. $this->cur_page = 0;293. } 294. 295. // Is the page number beyond the result range?296. // If so we show the last page297. if ($this->cur_page > $this->total_rows)298. {299. $this->cur_page = ($num_pages - 1) * $this->per_page;300. } 301. 302. $uri_page_number = $this->cur_page;303. $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); 304. 305. // Calculate the start and end numbers. These determine306. // which number to start and end the digit links with307. $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;308. $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages; 309. 310. // Is pagination being used over GET or POST? If get, add a per_page query311. // string. If post, add a trailing slash to the base URL if needed312. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)313. {314. $this->base_url = rtrim($this->base_url).AMP.$this->query_string_segment.'=';315. }316. else317. {318. $this->base_url = rtrim($this->base_url, '/') .'/';319. } 320. 321. // And here we go...322. $output = ''; 323. 324. // Render the "First" link325. if ($this->cur_page > $this->num_links)326. {327. $output .= $this->first_tag_open.'<a href="'.$this->base_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;328. } 329. 330. // Render the "previous" link331. if ($this->cur_page != 1)332. {333. $i = $uri_page_number - $this->per_page;334. if ($i == 0) $i = '';335. $output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;336. } 337. 338. // Write the digit links339. for ($loop = $start -1; $loop <= $end; $loop++)340. {341. $i = ($loop * $this->per_page) - $this->per_page; 342. 343. if ($i >= 0)344. {345. if ($this->cur_page == $loop)346. {347. $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page348. }349. else350. {351. $n = ($i == 0) ? '' : $i;352. $output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;353. }354. }355. } 356. 357. // Render the "next" link358. if ($this->cur_page < $num_pages)359. {360. $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;361. } 362. 363. // Render the "Last" link364. if (($this->cur_page + $this->num_links) < $num_pages)365. {366. $i = (($num_pages * $this->per_page) - $this->per_page);367. $output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;368. } 369. 370. // Kill double slashes. Note: Sometimes we can end up with a double slash371. // in the penultimate link so we'll kill all double slashes.372. $output = preg_replace("#([^:])//+#", "\1/", $output); 373. 374. // Add the wrapper HTML if exists375. $output = $this->full_tag_open.$output.$this->full_tag_close; 376. 377. return $output;378. } 379. 380. function create_links_right()381. {382. // If our item count or per-page total is zero there is no need to continue.383. if ($this->total_rows == 0 OR $this->per_page == 0)384. {385. return '';386. } 387. 388. // Calculate the total number of pages389. $num_pages = ceil($this->total_rows / $this->per_page); 390. 391. // Is there only one page? Hm... nothing more to do here then.392. if ($num_pages == 1)393. {394. return '';395. } 396. 397. // Determine the current page number.398. $CI =& get_instance(); 399. 400. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)401. {402. if ($CI->input->get($this->query_string_segment) != 0)403. {404. $this->cur_page = $CI->input->get($this->query_string_segment); 405. 406. // Prep the current page - no funny business!407. $this->cur_page = (int) $this->cur_page;408. }409. }410. else411. {412. if ($CI->uri->segment($this->uri_segment) != 0)413. {414. $this->cur_page = $CI->uri->segment($this->uri_segment); 415. 416. // Prep the current page - no funny business!417. $this->cur_page = (int) $this->cur_page;418. }419. } 420. 421. $this->num_links = (int)$this->num_links; 422. 423. if ($this->num_links < 1)424. {425. show_error('Your number of links must be a positive number.');426. } 427. 428. if ( ! is_numeric($this->cur_page))429. {430. $this->cur_page = 0;431. } 432. 433. // Is the page number beyond the result range?434. // If so we show the last page435. if ($this->cur_page > $this->total_rows)436. {437. $this->cur_page = ($num_pages - 1) * $this->per_page;438. } 439. 440. $uri_page_number = $this->cur_page;441. $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); 442. 443. // Calculate the start and end numbers. These determine444. // which number to start and end the digit links with445. $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;446. $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages; 447. 448. // Is pagination being used over GET or POST? If get, add a per_page query449. // string. If post, add a trailing slash to the base URL if needed450. if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE)451. {452. $this->base_url = rtrim($this->base_url).AMP.$this->query_string_segment.'=';453. }454. else455. {456. $this->base_url = rtrim($this->base_url, '/') .'/';457. } 458. 459. // And here we go...460. $output = ''; 461. 462. // Render the "First" link463. if ($this->cur_page > $this->num_links)464. {465. $output .= $this->first_tag_open.'<a href="'.$this->base_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;466. } 467. 468. // Render the "previous" link469. if ($this->cur_page != 1)470. {471. $i = $uri_page_number - $this->per_page;472. if ($i == 0) $i = '';473. $output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;474. } 475. 476. // Write the digit links477. for ($loop = $start -1; $loop <= $end; $loop++)478. {479. $i = ($loop * $this->per_page) - $this->per_page; 480. 481. if ($i >= 0)482. {483. if ($this->cur_page == $loop)484. {485. $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page486. }487. else488. {489. $n = ($i == 0) ? '' : $i;490. $output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;491. }492. }493. } 494. 495. // Render the "next" link496. if ($this->cur_page < $num_pages)497. {498. $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;499. } 500. 501. // Render the "Last" link502. if (($this->cur_page + $this->num_links) < $num_pages)503. {504. $i = (($num_pages * $this->per_page) - $this->per_page);505. $output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;506. } 507. 508. // Kill double slashes. Note: Sometimes we can end up with a double slash509. // in the penultimate link so we'll kill all double slashes.510. $output = preg_replace("#([^:])//+#", "\1/", $output); 511. 512. // Add the wrapper HTML if exists513. $output = $this->full_tag_open.$output.$this->full_tag_close; 514. 515. return $output;516. } 517. 518.}519.// END Pagination Class 520. 521./* End of file Pagination.php */522./* Location: ./system/libraries/Pagination.php */Here’s the controller:
01.function index()02. {03. //load model class04. $this->load->model('mdl_tests', 'tests');05. 06. //load pagination class07. 08. $this->load->library('pagination');09. 10. //The $config array contains your configuration variables.11. 12. $config['base_url'] = base_url().'tests/index/';13. $config['total_rows'] = $this->db->count_all('ms_tests');14. 15. $config['per_page'] = '10';16. //The number of items you intend to show per page. In the above example, you would be showing 10 items per page.17. 18. $config['full_tag_open'] = '<p align="center">';19. $config['full_tag_close'] = '</p>';20. 21. $config['first_link'] = 'First';22. $config['last_link'] = 'Last';23. 24. $config['next_link'] = ' NEXT 4 ISSUE >>';25. $config['prev_link'] = '<< PREVIOUS 4 ISSUE '; 26. 27. $config['num_tag_open'] = '<span> <u>';28. $config['num_tag_close'] = '</u> </span>'; 29. 30. $this->pagination->initialize($config);31. 32. $this->data['pagination'] = $this->pagination->create_links();33. $this->data['results'] = $this->tests->get_tests_issue($config['per_page'],$this->uri->segment(3));34. 35. $this->load->view('pagination_sample', $this->data);36. 37. }Here’s the model:
1.function get_tests_issue($num, $offset) {2. $query = $this->db->get('ms_tests', $num, $offset);3. return $query;4.}The view:
01. <div class="clearfix">02. <?=$pagination?>03. </div>04.<?php05. foreach ($tests as $test) :06. echo $test['title'];07. endforeach08.?>09. 10. <div class="clearfix">11. <?=$pagination?>12. </div>