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<?php |
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namespace Pager; |
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class Pagination { |
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public static $current; |
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protected $queryString = array(); |
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protected static $page; |
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protected static $pageURL; |
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protected static $lastpage; |
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/** |
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* Returns paging buttons for the number of records |
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* @param int $records The total number of records |
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* @param string $pageURL The URL of the page you are creating the paging for |
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* @param int $start The start number for the results |
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* @param array $additional Any additional get values to include in the URL |
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* @param int $maxshown The number of records that are shown on each page |
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* @param int $numpagesshown The number of pagination buttons to display |
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* @param boolean $arrows If you want arrows to display before and after for next and previous set to true (default) else set to false |
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* @return string Returns the pagination menu |
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*/ |
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public static function paging($records, $pageURL, $start = 0, $additional = array(), $maxshown = 50, $numpagesshown = 11, $arrows = true) { |
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self::$pageURL = $pageURL; |
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$this->queryString = $additional; |
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if ($records > $maxshown) { |
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self::$current = $start >= 1 ? intval($start) : 1; |
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self::$lastpage = ceil($records / $maxshown); |
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self::getPage($records, $maxshown, $numpagesshown); |
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$paging = '<ul class="pagination">' . $this->preLinks($arrows); |
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while (self::$page <= self::$lastpage) { |
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$paging .= $this->buildLink(self::$page, self::$page, (self::$current == self::$page)); |
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self::$page = (self::$page + 1); |
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} |
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return $paging . $this->postLinks($arrows) . '</ul>'; |
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} |
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return false; |
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} |
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/** |
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* Build a link item with the given values |
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* @param string $link This should be any additional items to be included as part of the link |
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* @param mixed $page This should be the link test on the link normally set as numbers but may be anything like arrows or dots etc |
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* @param boolean $current If this is the current link item set this as true so the class is added to the link item |
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* @return string This will return the paging item as a string |
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*/ |
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protected function buildLink($link, $page, $current = false){ |
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return '<li'.($current === true ? ' class="active"' : '').'><a href="'.self::$pageURL.'?'.$this->buildQueryString($link).'">'.$page.'</a></li>'; |
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} |
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/** |
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* Builds the query string to add to the URL |
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* @param mixed $page If the page variable is set to a number will add the page number to the query string else will not add any additional items |
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* @return string The complete string will be returned to add to the link item |
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*/ |
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protected function buildQueryString($page){ |
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if(is_numeric($page)){ |
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$this->queryString['page'] = $page; |
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} |
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return http_build_query(array_filter($this->queryString)); |
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} |
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/** |
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* Gets the current page |
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* @param int $records The total number of records |
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* @param int $maxshown The number of records that are shown on each page |
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* @param int $numpages The number of pagination buttons to display |
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* return void Nothing is returned |
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*/ |
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protected static function getPage($records, $maxshown, $numpages) { |
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$show = floor($numpages / 2); |
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if (self::$lastpage > $numpages) { |
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if (self::$current > $show) { self::$page = self::$current - $show; } else { self::$page = 1; } |
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if (self::$current < (self::$lastpage - $show)) { |
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self::$lastpage = self::$current + $show; |
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if (self::$current <= $show) { self::$lastpage = self::$current + ($numpages - self::$current); } |
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} else { self::$page = self::$current - ($numpages - ((ceil($records / $maxshown) - self::$current)) - 1); } |
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} else { self::$page = 1; } |
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} |
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/** |
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* Returns the previous arrows as long as arrows is set to true and the page is not the first page |
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* @param boolean $arrows If you want to display previous arrows set to true else set to false |
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* @return string Any previous link arrows will be returned as a string |
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*/ |
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protected function preLinks($arrows = true){ |
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$paging = ''; |
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if (self::$current != 1 && $arrows) { |
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if (self::$current != 2) { $paging .= $this->buildLink('', '«'); } |
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$paging .= $this->buildLink((self::$current - 1), '<'); |
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} |
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return $paging; |
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} |
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/** |
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* Returns the next arrows as long as arrows is set to true and the page is not the last page |
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* @param boolean $arrows If you want to display next arrows set to true else set to false |
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* @return string Any next link arrows will be returned as a string |
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*/ |
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protected function postLinks($arrows = true){ |
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$paging = ''; |
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if (self::$current != self::$lastpage && $arrows) { |
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$paging .= $this->buildLink((self::$current + 1), '>'); |
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if (self::$current != (self::$lastpage - 1)) { $paging .= $this->buildLink(self::$lastpage, '»'); } |
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} |
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return $paging; |
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} |
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} |
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AdamB7586 /
pagination
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.