Completed
Push — dev-master ( b7e24f...52af7d )
by Derek Stephen
03:02
created

Paginator::setPagerSize()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 7

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 6

Importance

Changes 0
Metric Value
dl 0
loc 7
ccs 0
cts 7
cp 0
rs 10
c 0
b 0
f 0
cc 2
nc 2
nop 1
crap 6
1
<?php
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namespace Bone\View\Helper;
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use Bone\View\Helper\Exception\PaginatorException;
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use Del\Icon;
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class Paginator
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{
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    private $currentPage = 1;
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    private $customNext;
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    private $customPrev;
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    private $pageCount;
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    private $pagerSize = 5;
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    private $url;
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    private $urlPart = ':page';
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    /**
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     * @param int $pageNum
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     * @return string
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     */
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    private function url(int $pageNum): string
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    {
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        return str_replace($this->urlPart, $pageNum, $this->url);
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    }
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    /**
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     * @param $pageCount
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     */
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    public function setPageCount(int $pageCount): void
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    {
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        $this->pageCount = $pageCount;
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    }
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    /**
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     * @param $pageCount
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     */
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    public function setPageCountByTotalRecords(int $rowCount, int $numPerPage): void
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    {
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        $this->pageCount = (int) ceil($rowCount / $numPerPage) ?: 1;
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    }
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    /**
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     * @param $url
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     */
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    public function setUrl(string $url): void
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    {
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        $this->url = $url;
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    }
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    /**
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     * @param $replace
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     */
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    public function setUrlPart(string $replace): void
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    {
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        $this->urlPart = $replace;
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    }
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    /**
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     * @param int $page_no
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     */
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    public function setCurrentPage(int $page_no): void
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    {
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        $this->currentPage = $page_no;
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    }
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    /**
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     * @param $url
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     */
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    public function setCustomPrev($url): void
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    {
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        $this->customPrev = '<a href="' . $url . '/"><i class="icon-backward"></i></a>';
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    }
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    /**
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     * @param $url
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     */
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    public function setCustomNext(string $url): void
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    {
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        $this->customNext = '<a href="' . $url . '/"><i class="icon-forward"></i></a>';
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    }
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    /**
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     * @param int $numBoxes an ODD number!
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     */
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    public function setPagerSize(int $numBoxes): void
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    {
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        if ($numBoxes % 2 === 0) {
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            $numBoxes--;
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        }
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        $this->pagerSize = $numBoxes;
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    }
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    /**
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     * @return int
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     */
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    public function getPagerSize(): int
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    {
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        if (!$this->pagerSize) {
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            $this->pagerSize = 5;
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        }
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        return $this->pagerSize;
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    }
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    /**
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     * @throws PaginatorException
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     */
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    private function ensurePageCount()
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    {
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        if (!$this->pageCount) {
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            throw new PaginatorException(PaginatorException::NO_PAGE_COUNT);
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        }
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    }
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    /**
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     * @throws PaginatorException
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     */
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    private function ensureUrl()
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    {
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        if (!$this->url) {
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            throw new PaginatorException(PaginatorException::NO_URL);
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        }
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    }
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    /**
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     * @throws PaginatorException
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     */
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    private function ensureCurrentPage()
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    {
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        if (!$this->url) {
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            throw new PaginatorException(PaginatorException::NO_CURRENT_PAGE);
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        }
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    }
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    /**
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     * @return int
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     */
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    private function calculateStart(int $pages): int
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    {
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        $half = ($pages - 1) / 2;
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        if ($this->currentPage < 3) {
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            $start = 1;
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        } elseif ($this->currentPage >= ($this->pageCount - $half)) {
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            $start = $this->pageCount - ($this->getPagerSize() - 1);
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        } else {
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            $start = $this->currentPage - $half;
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            if ($start < 1) {
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                $start = 1;
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            }
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        }
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        return $start;
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    }
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    /**
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     * @return string
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     * @throws PaginatorException
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     */
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    public function render(): string
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    {
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        $this->ensurePageCount();
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        $this->ensureUrl();
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        $this->ensureCurrentPage();
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        $html = '<nav><ul class="pagination">';
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        if ($this->pageCount > ($this->getPagerSize() - 1)) {
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            $pages = $this->getPagerSize();
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            $start = $this->calculateStart($pages);
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        } else {
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            $pages = $this->pageCount;
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            $start = 1;
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        }
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        $html .= ($this->currentPage === 1) ? '<li class="page-item disabled">' :'<li class="page-item">';
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        if (isset($this->customPrev)) {
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            $html .= $this->customPrev;
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        } elseif ($this->currentPage === 1) {
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            $html .= '<a class="page-link"  href ="#">' . Icon::custom(Icon::FAST_BACKWARD, 'disabled') . '</a>';
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        } else {
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            $html .= '<a class="page-link"  href ="' . $this->url(1) . '">' . Icon::FAST_BACKWARD . '</a>';
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        }
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        $html .= '</li>';
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        $html .= ($this->currentPage === 1) ? '<li class="page-item disabled">' :'<li class="page-item">';
188 View Code Duplication
        if (isset($this->customPrev)) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

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            $html .= $this->customPrev;
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        } elseif ($this->currentPage === 1) {
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            $html .= '<a class="page-link"  href ="#">' . Icon::custom(Icon::BACKWARD, 'disabled') . '</a>';
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        } else {
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            $html .= '<a class="page-link"  href ="' . $this->url($this->currentPage - 1) . '">' . Icon::BACKWARD . '</a>';
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        }
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        $html .= '</li>';
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        for ($x = $start; $x <= ($start + ($pages - 1)); $x++) {
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            $html .= '<li class="page-item ';
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            if ($this->currentPage === $x) {
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                $html .= ' active" aria-current="page';
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            }
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            $html .= '">';
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            if ($this->currentPage === $x) {
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                $html .= '<a class="page-link" href="#">' . $x . '</a>';
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            } else {
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                $html .= '<a class="page-link" href="' . $this->url($x) .'">' . $x . '</a>';
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            }
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            $html .= '</li>';
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        }
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        $html .= ($this->currentPage >= $this->pageCount) ? '<li class="page-item disabled">' :'<li class="page-item">';
212 View Code Duplication
        if (isset($this->customNext)) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
213
            $html .= $this->customNext;
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        } elseif ($this->currentPage >= $this->pageCount) {
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            $html .= '<a class="page-link" href="#">' . Icon::custom(Icon::FORWARD, 'disabled') . '</a>';
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        } else {
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            $html .= '<a class="page-link"  href ="' . $this->url($this->currentPage + 1) . '">' . Icon::FORWARD . '</i></a>';
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        }
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        $html .= '</li>';
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        $html .= ($this->currentPage >= $this->pageCount) ? '<li class="page-item disabled">' : '<li class="page-item">';
222 View Code Duplication
        if (isset($this->customNext)) {
0 ignored issues
show
Duplication introduced by
This code seems to be duplicated across your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

Loading history...
223
            $html .= $this->customNext;
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        } elseif ($this->currentPage >= $this->pageCount) {
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            $html .= '<a class="page-link" href="#">' . Icon::custom(Icon::FAST_FORWARD, 'disabled') . '</a>';
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        } else {
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            $html .= '<a class="page-link"  href ="' . $this->url($this->pageCount) . '">' . Icon::FAST_FORWARD . '</i></a>';
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        }
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        $html .= '</li>';
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        $html .= '</ul></nav>';
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        return $html;
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    }
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}
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