Pagination::getTotalCount() - Code Metrics - Inspection of "Fix #20175: Fix bad result for pagination when use..." - yiisoft/yii2 - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( f1ac78...3fa2d6 )

by Alexander

created 2024-06-08 07:29 UTC

Pagination::getTotalCount() A

↳ Parent: Pagination

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
cc	2
eloc	3
nc	2
nop	0
dl	0
loc	6
ccs	4
cts	4
cp	1
crap	2
rs	10
c	0
b	0
f	0

<?php
/**
 * @link https://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license https://www.yiiframework.com/license/
 */

namespace yii\data;

use Closure;
use Yii;
use yii\base\BaseObject;
use yii\web\Link;
use yii\web\Linkable;
use yii\web\Request;

/**
 * Pagination represents information relevant to pagination of data items.
 *
 * When data needs to be rendered in multiple pages, Pagination can be used to
 * represent information such as [[totalCount|total item count]], [[pageSize|page size]],
 * [[page|current page]], etc. These information can be passed to [[\yii\widgets\LinkPager|pagers]]
 * to render pagination buttons or links.
 *
 * The following example shows how to create a pagination object and feed it
 * to a pager.
 *
 * Controller action:
 *
 * ```php
 * public function actionIndex()
 * {
 *     $query = Article::find()->where(['status' => 1]);
 *     $countQuery = clone $query;
 *     $pages = new Pagination(['totalCount' => $countQuery->count()]);
 *     $models = $query->offset($pages->offset)
 *         ->limit($pages->limit)
 *         ->all();
 *
 *     return $this->render('index', [
 *          'models' => $models,
 *          'pages' => $pages,
 *     ]);
 * }
 * ```
 *
 * View:
 *
 * ```php
 * foreach ($models as $model) {
 *     // display $model here
 * }
 *
 * // display pagination
 * echo LinkPager::widget([
 *     'pagination' => $pages,
 * ]);
 * ```
 *
 * For more details and usage information on Pagination, see the [guide article on pagination](guide:output-pagination).
 *
 * @property-read int $limit The limit of the data. This may be used to set the LIMIT value for a SQL
 * statement for fetching the current page of data. Note that if the page size is infinite, a value -1 will be
 * returned.
 * @property-read array $links The links for navigational purpose. The array keys specify the purpose of the
 * links (e.g. [[LINK_FIRST]]), and the array values are the corresponding URLs.
 * @property-read int $offset The offset of the data. This may be used to set the OFFSET value for a SQL
 * statement for fetching the current page of data.
 * @property int $page The zero-based current page number.
 * @property-read int $pageCount Number of pages.
 * @property int $pageSize The number of items per page. If it is less than 1, it means the page size is
 * infinite, and thus a single page contains all items.
 * @property int $totalCount total number of items.
 *
 * @author Qiang Xue <[email protected]>
 * @since 2.0
 */
class Pagination extends BaseObject implements Linkable
{
    const LINK_NEXT = 'next';
    const LINK_PREV = 'prev';
    const LINK_FIRST = 'first';
    const LINK_LAST = 'last';

    /**
     * @var string name of the parameter storing the current page index.
     * @see params
     */
    public $pageParam = 'page';
    /**
     * @var string name of the parameter storing the page size.
     * @see params
     */
    public $pageSizeParam = 'per-page';
    /**
     * @var bool whether to always have the page parameter in the URL created by [[createUrl()]].
     * If false and [[page]] is 0, the page parameter will not be put in the URL.
     */
    public $forcePageParam = true;
    /**
     * @var string|null the route of the controller action for displaying the paged contents.
     * If not set, it means using the currently requested route.
     */
    public $route;
    /**
     * @var array|null parameters (name => value) that should be used to obtain the current page number
     * and to create new pagination URLs. If not set, all parameters from $_GET will be used instead.
     *
     * In order to add hash to all links use `array_merge($_GET, ['#' => 'my-hash'])`.
     *
     * The array element indexed by [[pageParam]] is considered to be the current page number (defaults to 0);
     * while the element indexed by [[pageSizeParam]] is treated as the page size (defaults to [[defaultPageSize]]).
     */
    public $params;
    /**
     * @var \yii\web\UrlManager|null the URL manager used for creating pagination URLs. If not set,
     * the "urlManager" application component will be used.
     */
    public $urlManager;
    /**
     * @var bool whether to check if [[page]] is within valid range.
     * When this property is true, the value of [[page]] will always be between 0 and ([[pageCount]]-1).
     * Because [[pageCount]] relies on the correct value of [[totalCount]] which may not be available
     * in some cases (e.g. MongoDB), you may want to set this property to be false to disable the page
     * number validation. By doing so, [[page]] will return the value indexed by [[pageParam]] in [[params]].
     */
    public $validatePage = true;
    /**
     * @var int the default page size. This property will be returned by [[pageSize]] when page size
     * cannot be determined by [[pageSizeParam]] from [[params]].
     */
    public $defaultPageSize = 20;
    /**
     * @var array|false the page size limits. The first array element defines the minimum page size, and the second
     * the maximum page size. If this is false, it means [[pageSize]] should always return the value of [[defaultPageSize]].
     */
    public $pageSizeLimit = [1, 50];

    /**
     * @var int number of items on each page.
     * If it is less than 1, it means the page size is infinite, and thus a single page contains all items.
     */
    private $_pageSize;
    /**
     * @var Closure|int total number of items or closure returning it.
     */
    private $_totalCount = 0;


    /**
     * @return int number of pages
     */
    public function getPageCount()
    {
        $pageSize = $this->getPageSize();
        $totalCount = $this->getTotalCount();
        if ($pageSize < 1) {
            return $totalCount > 0 ? 1 : 0;
        }
        return (int) ((max($totalCount, 0) + $pageSize - 1) / $pageSize);
    }

    private $_page;

    /**
     * Returns the zero-based current page number.
     * @param bool $recalculate whether to recalculate the current page based on the page size and item count.
     * @return int the zero-based current page number.
     */
    public function getPage($recalculate = false)
    {
        if ($this->_page === null || $recalculate) {
            $page = (int) $this->getQueryParam($this->pageParam, 1) - 1;
            $this->setPage($page, true);
        }
        return $this->_page;
    }

    /**
     * Sets the current page number.
     * @param int $value the zero-based index of the current page.
     * @param bool $validatePage whether to validate the page number. Note that in order
     * to validate the page number, both [[validatePage]] and this parameter must be true.
     */
    public function setPage($value, $validatePage = false)
    {
        if ($value === null) {

            $this->_page = null;
        } else {
            $value = (int) $value;
            if ($validatePage && $this->validatePage) {
                $pageCount = $this->getPageCount();
                if ($value >= $pageCount) {
                    $value = $pageCount - 1;
                }
            }
            if ($value < 0) {
                $value = 0;
            }
            $this->_page = $value;
        }
    }

    /**
     * Returns the number of items per page.
     * By default, this method will try to determine the page size by [[pageSizeParam]] in [[params]].
     * If the page size cannot be determined this way, [[defaultPageSize]] will be returned.
     * @return int the number of items per page. If it is less than 1, it means the page size is infinite,
     * and thus a single page contains all items.
     * @see pageSizeLimit
     */
    public function getPageSize()
    {
        if ($this->_pageSize === null) {
            if (empty($this->pageSizeLimit) || !isset($this->pageSizeLimit[0], $this->pageSizeLimit[1])) {
                $pageSize = $this->defaultPageSize;
                $this->setPageSize($pageSize);
            } else {
                $pageSize = (int) $this->getQueryParam($this->pageSizeParam, $this->defaultPageSize);
                $this->setPageSize($pageSize, true);
            }
        }
        return $this->_pageSize;
    }

    /**
     * @param int $value the number of items per page.
     * @param bool $validatePageSize whether to validate page size.
     */
    public function setPageSize($value, $validatePageSize = false)
    {
        if ($value === null) {

            $this->_pageSize = null;
        } else {
            $value = (int) $value;
            if ($validatePageSize && isset($this->pageSizeLimit[0], $this->pageSizeLimit[1])) {
                if ($value < $this->pageSizeLimit[0]) {
                    $value = $this->pageSizeLimit[0];
                } elseif ($value > $this->pageSizeLimit[1]) {
                    $value = $this->pageSizeLimit[1];
                }
            }
            $this->_pageSize = $value;
        }
    }

    /**
     * Creates the URL suitable for pagination with the specified page number.
     * This method is mainly called by pagers when creating URLs used to perform pagination.
     * @param int $page the zero-based page number that the URL should point to.
     * @param int|null $pageSize the number of items on each page. If not set, the value of [[pageSize]] will be used.
     * @param bool $absolute whether to create an absolute URL. Defaults to `false`.
     * @return string the created URL
     * @see params
     * @see forcePageParam
     */
    public function createUrl($page, $pageSize = null, $absolute = false)
    {
        $page = (int) $page;
        $pageSize = (int) $pageSize;
        if (($params = $this->params) === null) {
            $request = Yii::$app->getRequest();
            $params = $request instanceof Request ? $request->getQueryParams() : [];
        }
        if ($page > 0 || ($page === 0 && $this->forcePageParam)) {
            $params[$this->pageParam] = $page + 1;
        } else {
            unset($params[$this->pageParam]);
        }
        if ($pageSize <= 0) {
            $pageSize = $this->getPageSize();
        }
        if ($pageSize != $this->defaultPageSize) {
            $params[$this->pageSizeParam] = $pageSize;
        } else {
            unset($params[$this->pageSizeParam]);
        }
        $params[0] = $this->route === null ? Yii::$app->controller->getRoute() : $this->route;
        $urlManager = $this->urlManager === null ? Yii::$app->getUrlManager() : $this->urlManager;
        if ($absolute) {
            return $urlManager->createAbsoluteUrl($params);
        }
        return $urlManager->createUrl($params);
    }

    /**
     * @return int the offset of the data. This may be used to set the
     * OFFSET value for a SQL statement for fetching the current page of data.
     */
    public function getOffset()
    {
        $pageSize = $this->getPageSize();
        return $pageSize < 1 ? 0 : $this->getPage() * $pageSize;
    }

    /**
     * @return int the limit of the data. This may be used to set the
     * LIMIT value for a SQL statement for fetching the current page of data.
     * Note that if the page size is infinite, a value -1 will be returned.
     */
    public function getLimit()
    {
        $pageSize = $this->getPageSize();
        return $pageSize < 1 ? -1 : $pageSize;
    }

    /**
     * Returns a whole set of links for navigating to the first, last, next and previous pages.
     * @param bool $absolute whether the generated URLs should be absolute.
     * @return array the links for navigational purpose. The array keys specify the purpose of the links (e.g. [[LINK_FIRST]]),
     * and the array values are the corresponding URLs.
     */
    public function getLinks($absolute = false)
    {
        $currentPage = $this->getPage();
        $pageCount = $this->getPageCount();

        $links = [Link::REL_SELF => $this->createUrl($currentPage, null, $absolute)];
        if ($pageCount > 0) {
            $links[self::LINK_FIRST] = $this->createUrl(0, null, $absolute);
            $links[self::LINK_LAST] = $this->createUrl($pageCount - 1, null, $absolute);
            if ($currentPage > 0) {
                $links[self::LINK_PREV] = $this->createUrl($currentPage - 1, null, $absolute);
            }
            if ($currentPage < $pageCount - 1) {
                $links[self::LINK_NEXT] = $this->createUrl($currentPage + 1, null, $absolute);
            }
        }
        return $links;
    }

    /**
     * Returns the value of the specified query parameter.
     * This method returns the named parameter value from [[params]]. Null is returned if the value does not exist.
     * @param string $name the parameter name
     * @param string|null $defaultValue the value to be returned when the specified parameter does not exist in [[params]].
     * @return string|null the parameter value
     */
    protected function getQueryParam($name, $defaultValue = null)
    {
        if (($params = $this->params) === null) {
            $request = Yii::$app->getRequest();
            $params = $request instanceof Request ? $request->getQueryParams() : [];
        }
        return isset($params[$name]) && is_scalar($params[$name]) ? $params[$name] : $defaultValue;
    }

    /**
     * @return int total number of items.
     */
    public function getTotalCount()
    {
        if (is_numeric($this->_totalCount)) {
            return (int)$this->_totalCount;
        }
        return (int)call_user_func($this->_totalCount);
    }

    /**
     * @param Closure|int $count
     */
    public function setTotalCount($count)
    {
        $this->_totalCount = $count;
    }
}


1		<?php
2		/**
3		* @link https://www.yiiframework.com/
4		* @copyright Copyright (c) 2008 Yii Software LLC
5		* @license https://www.yiiframework.com/license/
6		*/
7
8		namespace yii\data;
9
10		use Closure;
11		use Yii;
12		use yii\base\BaseObject;
13		use yii\web\Link;
14		use yii\web\Linkable;
15		use yii\web\Request;
16
17		/**
18		* Pagination represents information relevant to pagination of data items.
19		*
20		* When data needs to be rendered in multiple pages, Pagination can be used to
21		* represent information such as [[totalCount\|total item count]], [[pageSize\|page size]],
22		* [[page\|current page]], etc. These information can be passed to [[\yii\widgets\LinkPager\|pagers]]
23		* to render pagination buttons or links.
24		*
25		* The following example shows how to create a pagination object and feed it
26		* to a pager.
27		*
28		* Controller action:
29		*
30		* ```php
31		* public function actionIndex()
32		* {
33		* $query = Article::find()->where(['status' => 1]);
34		* $countQuery = clone $query;
35		* $pages = new Pagination(['totalCount' => $countQuery->count()]);
36		* $models = $query->offset($pages->offset)
37		* ->limit($pages->limit)
38		* ->all();
39		*
40		* return $this->render('index', [
41		* 'models' => $models,
42		* 'pages' => $pages,
43		* ]);
44		* }
45		* ```
46		*
47		* View:
48		*
49		* ```php
50		* foreach ($models as $model) {
51		* // display $model here
52		* }
53		*
54		* // display pagination
55		* echo LinkPager::widget([
56		* 'pagination' => $pages,
57		* ]);
58		* ```
59		*
60		* For more details and usage information on Pagination, see the [guide article on pagination](guide:output-pagination).
61		*
62		* @property-read int $limit The limit of the data. This may be used to set the LIMIT value for a SQL
63		* statement for fetching the current page of data. Note that if the page size is infinite, a value -1 will be
64		* returned.
65		* @property-read array $links The links for navigational purpose. The array keys specify the purpose of the
66		* links (e.g. [[LINK_FIRST]]), and the array values are the corresponding URLs.
67		* @property-read int $offset The offset of the data. This may be used to set the OFFSET value for a SQL
68		* statement for fetching the current page of data.
69		* @property int $page The zero-based current page number.
70		* @property-read int $pageCount Number of pages.
71		* @property int $pageSize The number of items per page. If it is less than 1, it means the page size is
72		* infinite, and thus a single page contains all items.
73		* @property int $totalCount total number of items.
74		*
75		* @author Qiang Xue <[email protected]>
76		* @since 2.0
77		*/
78		class Pagination extends BaseObject implements Linkable
79		{
80		const LINK_NEXT = 'next';
81		const LINK_PREV = 'prev';
82		const LINK_FIRST = 'first';
83		const LINK_LAST = 'last';
84
85		/**
86		* @var string name of the parameter storing the current page index.
87		* @see params
88		*/
89		public $pageParam = 'page';
90		/**
91		* @var string name of the parameter storing the page size.
92		* @see params
93		*/
94		public $pageSizeParam = 'per-page';
95		/**
96		* @var bool whether to always have the page parameter in the URL created by [[createUrl()]].
97		* If false and [[page]] is 0, the page parameter will not be put in the URL.
98		*/
99		public $forcePageParam = true;
100		/**
101		* @var string\|null the route of the controller action for displaying the paged contents.
102		* If not set, it means using the currently requested route.
103		*/
104		public $route;
105		/**
106		* @var array\|null parameters (name => value) that should be used to obtain the current page number
107		* and to create new pagination URLs. If not set, all parameters from $_GET will be used instead.
108		*
109		* In order to add hash to all links use `array_merge($_GET, ['#' => 'my-hash'])`.
110		*
111		* The array element indexed by [[pageParam]] is considered to be the current page number (defaults to 0);
112		* while the element indexed by [[pageSizeParam]] is treated as the page size (defaults to [[defaultPageSize]]).
113		*/
114		public $params;
115		/**
116		* @var \yii\web\UrlManager\|null the URL manager used for creating pagination URLs. If not set,
117		* the "urlManager" application component will be used.
118		*/
119		public $urlManager;
120		/**
121		* @var bool whether to check if [[page]] is within valid range.
122		* When this property is true, the value of [[page]] will always be between 0 and ([[pageCount]]-1).
123		* Because [[pageCount]] relies on the correct value of [[totalCount]] which may not be available
124		* in some cases (e.g. MongoDB), you may want to set this property to be false to disable the page
125		* number validation. By doing so, [[page]] will return the value indexed by [[pageParam]] in [[params]].
126		*/
127		public $validatePage = true;
128		/**
129		* @var int the default page size. This property will be returned by [[pageSize]] when page size
130		* cannot be determined by [[pageSizeParam]] from [[params]].
131		*/
132		public $defaultPageSize = 20;
133		/**
134		* @var array\|false the page size limits. The first array element defines the minimum page size, and the second
135		* the maximum page size. If this is false, it means [[pageSize]] should always return the value of [[defaultPageSize]].
136		*/
137		public $pageSizeLimit = [1, 50];
138
139		/**
140		* @var int number of items on each page.
141		* If it is less than 1, it means the page size is infinite, and thus a single page contains all items.
142		*/
143		private $_pageSize;
144		/**
145		* @var Closure\|int total number of items or closure returning it.
146		*/
147		private $_totalCount = 0;
148
149
150		/**
151		* @return int number of pages
152		*/
153	116	public function getPageCount()
154		{
155	116	$pageSize = $this->getPageSize();
156	116	$totalCount = $this->getTotalCount();
157	116	if ($pageSize < 1) {
158	8	return $totalCount > 0 ? 1 : 0;
159		}
160	108	return (int) ((max($totalCount, 0) + $pageSize - 1) / $pageSize);
161		}
162
163		private $_page;
164
165		/**
166		* Returns the zero-based current page number.
167		* @param bool $recalculate whether to recalculate the current page based on the page size and item count.
168		* @return int the zero-based current page number.
169		*/
170	108	public function getPage($recalculate = false)
171		{
172	108	if ($this->_page === null \|\| $recalculate) {
173	68	$page = (int) $this->getQueryParam($this->pageParam, 1) - 1;
174	68	$this->setPage($page, true);
175		}
176	108	return $this->_page;
177		}
178
179		/**
180		* Sets the current page number.
181		* @param int $value the zero-based index of the current page.
182		* @param bool $validatePage whether to validate the page number. Note that in order
183		* to validate the page number, both [[validatePage]] and this parameter must be true.
184		*/
185	100	public function setPage($value, $validatePage = false)
186		{
187	100	if ($value === null) {
		0 ignored issues – show introduced 2019-02-03 21:14 UTC by Report Bug Copy Issue Report The condition `$value === null` is always `false`. Loading history...
188	2	$this->_page = null;
189		} else {
190	100	$value = (int) $value;
191	100	if ($validatePage && $this->validatePage) {
192	83	$pageCount = $this->getPageCount();
193	83	if ($value >= $pageCount) {
194	24	$value = $pageCount - 1;
195		}
196		}
197	100	if ($value < 0) {
198	21	$value = 0;
199		}
200	100	$this->_page = $value;
201		}
202		}
203
204		/**
205		* Returns the number of items per page.
206		* By default, this method will try to determine the page size by [[pageSizeParam]] in [[params]].
207		* If the page size cannot be determined this way, [[defaultPageSize]] will be returned.
208		* @return int the number of items per page. If it is less than 1, it means the page size is infinite,
209		* and thus a single page contains all items.
210		* @see pageSizeLimit
211		*/
212	150	public function getPageSize()
213		{
214	150	if ($this->_pageSize === null) {
215	98	if (empty($this->pageSizeLimit) \|\| !isset($this->pageSizeLimit[0], $this->pageSizeLimit[1])) {
216	6	$pageSize = $this->defaultPageSize;
217	6	$this->setPageSize($pageSize);
218		} else {
219	92	$pageSize = (int) $this->getQueryParam($this->pageSizeParam, $this->defaultPageSize);
220	92	$this->setPageSize($pageSize, true);
221		}
222		}
223	150	return $this->_pageSize;
224		}
225
226		/**
227		* @param int $value the number of items per page.
228		* @param bool $validatePageSize whether to validate page size.
229		*/
230	140	public function setPageSize($value, $validatePageSize = false)
231		{
232	140	if ($value === null) {
		0 ignored issues – show introduced 2019-02-03 21:14 UTC by Report Bug Copy Issue Report The condition `$value === null` is always `false`. Loading history...
233	4	$this->_pageSize = null;
234		} else {
235	140	$value = (int) $value;
236	140	if ($validatePageSize && isset($this->pageSizeLimit[0], $this->pageSizeLimit[1])) {
237	95	if ($value < $this->pageSizeLimit[0]) {
238	2	$value = $this->pageSizeLimit[0];
239	93	} elseif ($value > $this->pageSizeLimit[1]) {
240	2	$value = $this->pageSizeLimit[1];
241		}
242		}
243	140	$this->_pageSize = $value;
244		}
245		}
246
247		/**
248		* Creates the URL suitable for pagination with the specified page number.
249		* This method is mainly called by pagers when creating URLs used to perform pagination.
250		* @param int $page the zero-based page number that the URL should point to.
251		* @param int\|null $pageSize the number of items on each page. If not set, the value of [[pageSize]] will be used.
252		* @param bool $absolute whether to create an absolute URL. Defaults to `false`.
253		* @return string the created URL
254		* @see params
255		* @see forcePageParam
256		*/
257	35	public function createUrl($page, $pageSize = null, $absolute = false)
258		{
259	35	$page = (int) $page;
260	35	$pageSize = (int) $pageSize;
261	35	if (($params = $this->params) === null) {
262	32	$request = Yii::$app->getRequest();
263	32	$params = $request instanceof Request ? $request->getQueryParams() : [];
264		}
265	35	if ($page > 0 \|\| ($page === 0 && $this->forcePageParam)) {
266	35	$params[$this->pageParam] = $page + 1;
267		} else {
268	1	unset($params[$this->pageParam]);
269		}
270	35	if ($pageSize <= 0) {
271	32	$pageSize = $this->getPageSize();
272		}
273	35	if ($pageSize != $this->defaultPageSize) {
274	22	$params[$this->pageSizeParam] = $pageSize;
275		} else {
276	13	unset($params[$this->pageSizeParam]);
277		}
278	35	$params[0] = $this->route === null ? Yii::$app->controller->getRoute() : $this->route;
279	35	$urlManager = $this->urlManager === null ? Yii::$app->getUrlManager() : $this->urlManager;
280	35	if ($absolute) {
281	14	return $urlManager->createAbsoluteUrl($params);
282		}
283	21	return $urlManager->createUrl($params);
284		}
285
286		/**
287		* @return int the offset of the data. This may be used to set the
288		* OFFSET value for a SQL statement for fetching the current page of data.
289		*/
290	79	public function getOffset()
291		{
292	79	$pageSize = $this->getPageSize();
293	79	return $pageSize < 1 ? 0 : $this->getPage() * $pageSize;
294		}
295
296		/**
297		* @return int the limit of the data. This may be used to set the
298		* LIMIT value for a SQL statement for fetching the current page of data.
299		* Note that if the page size is infinite, a value -1 will be returned.
300		*/
301	77	public function getLimit()
302		{
303	77	$pageSize = $this->getPageSize();
304	77	return $pageSize < 1 ? -1 : $pageSize;
305		}
306
307		/**
308		* Returns a whole set of links for navigating to the first, last, next and previous pages.
309		* @param bool $absolute whether the generated URLs should be absolute.
310		* @return array the links for navigational purpose. The array keys specify the purpose of the links (e.g. [[LINK_FIRST]]),
311		* and the array values are the corresponding URLs.
312		*/
313	22	public function getLinks($absolute = false)
314		{
315	22	$currentPage = $this->getPage();
316	22	$pageCount = $this->getPageCount();
317
318	22	$links = [Link::REL_SELF => $this->createUrl($currentPage, null, $absolute)];
319	22	if ($pageCount > 0) {
320	19	$links[self::LINK_FIRST] = $this->createUrl(0, null, $absolute);
321	19	$links[self::LINK_LAST] = $this->createUrl($pageCount - 1, null, $absolute);
322	19	if ($currentPage > 0) {
323	10	$links[self::LINK_PREV] = $this->createUrl($currentPage - 1, null, $absolute);
324		}
325	19	if ($currentPage < $pageCount - 1) {
326	4	$links[self::LINK_NEXT] = $this->createUrl($currentPage + 1, null, $absolute);
327		}
328		}
329	22	return $links;
330		}
331
332		/**
333		* Returns the value of the specified query parameter.
334		* This method returns the named parameter value from [[params]]. Null is returned if the value does not exist.
335		* @param string $name the parameter name
336		* @param string\|null $defaultValue the value to be returned when the specified parameter does not exist in [[params]].
337		* @return string\|null the parameter value
338		*/
339	94	protected function getQueryParam($name, $defaultValue = null)
340		{
341	94	if (($params = $this->params) === null) {
342	89	$request = Yii::$app->getRequest();
343	89	$params = $request instanceof Request ? $request->getQueryParams() : [];
344		}
345	94	return isset($params[$name]) && is_scalar($params[$name]) ? $params[$name] : $defaultValue;
346		}
347
348		/**
349		* @return int total number of items.
350		*/
351	116	public function getTotalCount()
352		{
353	116	if (is_numeric($this->_totalCount)) {
354	35	return (int)$this->_totalCount;
355		}
356	81	return (int)call_user_func($this->_totalCount);
357		}
358
359		/**
360		* @param Closure\|int $count
361		*/
362	112	public function setTotalCount($count)
363		{
364	112	$this->_totalCount = $count;
365		}
366		}
367

yiisoft / yii2

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Pagination::getTotalCount() A

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