PHP pagination

php-pagination.php

<?php function showPagination($arrPagination) { ?>

	<?php

		$pageLink 			 	= $arrPagination['pageLink'];
		$urlVarsWithoutPage 	= $arrPagination['urlVarsWithoutPage'];
		$limit					= $arrPagination['limit'];
		$totalRowCount 			= $arrPagination['totalRowCount'];
		$page 					= $arrPagination['page'];

		// these variables are defined in pagination_setup.php
		// 		$pageLink, $urlVarsWithoutPage, $limit

		//  $urlVarsWithoutPage will contain the values for $sortBy and $sortOrder

		// these variables are defined in the page where the recordset is retrieved
		//		$totalRowCount
		$totalNumPages = ceil($totalRowCount / $limit);

		#print "<br>totalRowCount: $totalRowCount";
		#print "<br>limit: $limit";
		#print "<br>totalNumPages: $totalNumPages";
		#print "urlVarsWithoutPage: $urlVarsWithoutPage";
		#print_r($arrPagination);

		// Show maximum 5 options
		// Back
		// Number for page 2 ago
		// Number of previous page
		// current page
		// Number of next page
		// Number of page 2 from here
		// Next
	?>

	<?php if ($totalNumPages > 1) { // only display pagination if applicable ?>

		<nav aria-label="Page Navigation">
			<ul class="pagination">
					
				<?php if ($page > 1) { ?>
					
					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page - 1;?>" aria-label="Back">Back</a>
					</li>

				<?php } else { ?>
					<!--
					<li class="page-item disabled">
						<span class="page-link">Back</span>
					</li>
					-->
				<?php } ?>
					

				<?php if ($page - 2 > 0 ) { ?>
					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page - 2;?>">
							<?php print $page - 2;?>
						</a>
					</li>
				<?php } ?>

				<?php if ($page - 1 > 0 ) { ?>
					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page - 1;?>">
							<?php print $page - 1;?>
						</a>
					</li>
				<?php } ?>


				<li class="page-item active" aria-current="page">
					<span class="page-link">
						<?php print $page;?>
						<span class="visually-hidden">(current)</span>
					</span>
				</li>

				<?php if ($page + 1 <= $totalNumPages ) { ?>
					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page + 1;?>">
							<?php print $page + 1;?>
						</a>
					</li>
				<?php } ?>


				<?php if ($page + 2 <= $totalNumPages ) { ?>
					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page + 2;?>">
							<?php print $page + 2;?>
						</a>
					</li>
				<?php } ?>



				<?php if ($page != $totalNumPages) { ?>

					<li class="page-item">
						<a class="page-link" href="<?php print $pageLink . '?' . $urlVarsWithoutPage;?>&page=<?php print $page + 1;?>" aria-label="Next">Next</a>
					</li>
					
				<?php } else { ?>
					<!--
					<li class="page-item disabled">
						<span class="page-link">Next</span>
					</li>
					-->
				<?php } ?>
	
			</ul>
		</nav>

	<?php } // show pagination at all ?>
<?php } ?>