Is there a way to duplicate divs and increment them?

imgrooot · August 23, 2016

Here's a line. I want to add 100 more of same lines and increment the page numbers as shown below. I know I can just manually add 100 lines but Is there a way to do this with PHP that would make it easy? Or is this more of a javascript thing?


// original
$page1 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=1">1</a>';   


// new
$page1 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=1">1</a>';
$page2 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=2">2</a>';   
$page3 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=3">3</a>';  
$page4 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=4">4</a>';  
$page5 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=5">5</a>';   
...etc

Barand · August 23, 2016

Use a for() loop, and make $page an array.

kicken · August 23, 2016

Use a loop and an array to store the results.

$pages = [];
for ($pageNumber=1; $pageNumber <= 100; $pageNumber++){
    $pages[] = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=' . $pageNumber . '">' . $pageNumber . '</a>';
}

Jacques1 · August 23, 2016

No need to assemble the URL query manually:

'<a href="?'.http_build_query(['type' => $type_id, 'name' => $get_type_3_name_slug, 'page' => $page_number]).'">'

ginerjm · August 23, 2016

I want to know where's the div?

imgrooot · August 23, 2016

Use a loop and an array to store the results.

$pages = [];
for ($pageNumber=1; $pageNumber <= 100; $pageNumber++){
    $pages[] = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=' . $pageNumber . '">' . $pageNumber . '</a>';
}

That's great. Now my next question is, how do I echo all 100 of those a href links outside the for loop?

Edited August 23, 2016 by imgrooot

imgrooot · August 23, 2016

No need to assemble the URL query manually:

'<a href="?'.http_build_query(['type' => $type_id, 'name' => $get_type_3_name_slug, 'page' => $page_number]).'">'

Oh wow. This is great method. Good to know.

maxxd · August 23, 2016

That's great. Now my next question is, how do I echo all 100 of those a href links outside the for loop?

You could run another for() loop, or a foreach() loop. For instance:

<div class='links_aggregate'>
<?php
foreach($pages as $p){
	print($p);
}
?>
</div>

Or, if you're gathering the data at the point in the page where you need to output the links, simply print() or echo() them there instead of assigning them to an array.

Heck, if you don't care about source readability, you could simply output an implode() on the array

echo implode(' ', $pages);

That last one hasn't been tested and is the product of a couple beers, so take it with a grain of salt.

imgrooot · August 24, 2016

You could run another for() loop, or a foreach() loop. For instance:
<div class='links_aggregate'>
<?php
foreach($pages as $p){
	print($p);
}
?>
</div>
Or, if you're gathering the data at the point in the page where you need to output the links, simply print() or echo() them there instead of assigning them to an array.

Heck, if you don't care about source readability, you could simply output an implode() on the array
echo implode(' ', $pages);
That last one hasn't been tested and is the product of a couple beers, so take it with a grain of salt.

That's great. How do I get the "$pageNumber" from the first loop to show up in the second loop? Should I just put another foreach loop inside the second foreach loop above? Essentially I am trying to get both the a href link with incremented pages and the incremented page numbers individually.

benanamen · August 24, 2016

Allow me to get beyond your "problem". What exactly is it that you are doing that you need to generate 100 links?

imgrooot · August 24, 2016

Allow me to get beyond your "problem". What exactly is it that you are doing that you need to generate 100 links?

Alright so here's the full picture. I am trying to get a pagination working. I am trying to modify the script I already had to match the new look. The new pagination looks roughly like this (<) 1 2 3 4 5 (>). I have it working but I find there has to be a more efficient method out there to get the same results.

Here is the full process code for one of the pages. I didn't update it with the new code mentioned in the above comments.

<?php 
$type_id 	  = (!empty($_GET['type']) ? $_GET['type'] : null);
$price_filter 	  = (!empty($_GET['price']) ? $_GET['price'] : null);
$get_page         = (!empty($_GET['page']) ? $_GET['page'] : null);
?>
<div id="breadcrumb">
	<div id="breadcrumb-child">
		<h2>Shop</h2>
		<div id="price-filter">
			Price:
			<a <?php if($price_filter == 'low'){ ?>class="filter-highlight"<?php } ?> href="shop?type=<?php echo $type_id; ?>&name=<?php echo $get_type_3_name_slug; ?>&price=low">Low</a> |
			<a <?php if($price_filter == 'high'){ ?>class="filter-highlight"<?php } ?> href="shop?type=<?php echo $type_id; ?>&name=<?php echo $get_type_3_name_slug; ?>&price=high">High</a>
		</div>
	</div>
</div>
<div class="collection-list">
<?php

$count_records = $db->prepare("SELECT COUNT(*) FROM items WHERE type_3 = :type_3");
$count_records->bindParam(':type_3', $type_id);
$count_records->execute();
$total = $count_records->fetchColumn();

// How many items to list per page
$limit = 3;

// How many pages will there be
$pages = ceil($total / $limit);

// What page are we currently on?
$page = min($pages, filter_input(INPUT_GET, 'page', FILTER_VALIDATE_INT, array (
	'options' => array(
		'default'   => 1,
		'min_range' => 1,
	),
)));

// Calculate the offset for the query
$offset = ($page - 1)  * $limit;

// Some information to display to the user
$start = $offset + 1;
$end = min(($offset + $limit), $total);

if($page > 0) {
	$offset = ($page - 1)  * $limit;
} else {
	$offset = 0;
}

if($price_filter == 'high') {

  $get_records = $db->prepare("SELECT items.*, type_1.*, type_3.* FROM items
  LEFT JOIN type_1 ON items.type_1 = type_1.type_1_id
  LEFT JOIN type_3 ON items.type_3 = type_3.type_3_id
  WHERE items.type_3 = :type_3 ORDER BY items.item_price DESC LIMIT {$limit} OFFSET ".$offset);
  $get_records->bindParam(':type_3', $type_id);
  $get_records->execute();
  $result_records = $get_records->fetchAll(PDO::FETCH_ASSOC);
  if(count($result_records) > 0){
    foreach($result_records as $row) {

      // There are other variables but I am only showing you the ones relevant to the pagination
      $get_type_1_id	 			=	intval($row['type_1']);
      $get_type_3_name_slug  		        =	trim($row['type_3_name_slug']);

      // This shows all the individual products on a page.
      include 'snippets/product-loop.php';
    }
  } else {

    echo '<div id="message-flash">Items coming soon.</div>';

  }

} else if($price_filter == 'low') {

  $get_records = $db->prepare("SELECT items.*, type_1.*, type_3.* FROM items
  LEFT JOIN type_1 ON items.type_1 = type_1.type_1_id
  LEFT JOIN type_3 ON items.type_3 = type_3.type_3_id
  WHERE items.type_3 = :type_3 ORDER BY items.item_price ASC LIMIT {$limit} OFFSET ".$offset);
  $get_records->bindParam(':type_3', $type_id);
  $get_records->execute();
  $result_records = $get_records->fetchAll(PDO::FETCH_ASSOC);
  if(count($result_records) > 0){
    foreach($result_records as $row) {

      // There are other variables but I am only showing you the ones relevant to the pagination
      $get_type_1_id	 			=	intval($row['type_1']);
      $get_type_3_name_slug  		        =	trim($row['type_3_name_slug']);

      // This shows all the individual products on a page.
      include 'snippets/product-loop.php';
    }
  } else {

    echo '<div id="message-flash">Items coming soon.</div>';

  }

} else {

  $get_records = $db->prepare("SELECT items.*, type_1.*, type_3.* FROM items
  LEFT JOIN type_1 ON items.type_1 = type_1.type_1_id
  LEFT JOIN type_3 ON items.type_3 = type_3.type_3_id
  WHERE items.type_3 = :type_3 ORDER BY items.item_id DESC LIMIT {$limit} OFFSET ".$offset);
  $get_records->bindParam(':type_3', $type_id);
  $get_records->execute();
  $result_records = $get_records->fetchAll(PDO::FETCH_ASSOC);
  if(count($result_records) > 0){
    foreach($result_records as $row) {

      // There are other variables but I am only showing you the ones relevant to the pagination
      $get_type_1_id	 		        =	intval($row['type_1']);
      $get_type_3_name_slug  		        =	trim($row['type_3_name_slug']);

      // This shows all the individual products on a page.
      include 'snippets/product-loop.php';
    }
  } else {

    echo '<div id="message-flash">Items coming soon.</div>';

  }

}

// Pagination starts here
// It looks like this format: (<) 1 2 3 4 5 (>)

if($price_filter == 'low') {

  $prevlink = ($page > 1) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=' . ($page - 1) . '" title="Previous page">‹</a>' : '<span class="disabled">‹</span>';

  $page1 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=1">1</a>';
  $page2 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=2">2</a>';
  $page3 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=3">3</a>';
  $page4 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=4">4</a>';
  $page5 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=5">5</a>';
  $page6 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=6">6</a>';
  $page7 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=7">7</a>';
  $page8 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=8">8</a>';
  $page9 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=9">9</a>';
  $page10 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=10">10</a>';

  $nextlink = ($page < $pages) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=low&page=' . ($page + 1) . '" title="Next page">›</a>' : '<span class="disabled">›</span>';
	
} else if($price_filter == 'high') {

  $prevlink = ($page > 1) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=' . ($page - 1) . '" title="Previous page">‹</a>' : '<span class="disabled">‹</span>';

  $page1 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=1">1</a>';
  $page2 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=2">2</a>';
  $page3 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=3">3</a>';
  $page4 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=4">4</a>';
  $page5 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=5">5</a>';
  $page6 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=6">6</a>';
  $page7 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=7">7</a>';
  $page8 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=8">8</a>';
  $page9 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=9">9</a>';
  $page10 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=10">10</a>';

  $nextlink = ($page < $pages) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&price=high&page=' . ($page + 1) . '" title="Next page">›</a>' : '<span class="disabled">›</span>';

} else {

  $prevlink = ($page > 1) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=' . ($page - 1) . '" title="Previous page">‹</a>' : '<span class="disabled">‹</span>';

  $page1 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=1">1</a>';
  $page2 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=2">2</a>';
  $page3 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=3">3</a>';
  $page4 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=4">4</a>';
  $page5 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=5">5</a>';
  $page6 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=6">6</a>';
  $page7 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=7">7</a>';
  $page8 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=8">8</a>';
  $page9 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=9">9</a>';
  $page10 = '<a href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=10">10</a>';

  $nextlink = ($page < $pages) ? '<a class="circle-link" href="?type='. $type_id .'&name='. $get_type_3_name_slug .'&page=' . ($page + 1) . '" title="Next page">›</a>' : '<span class="disabled">›</span>';

}

?>
  <div id="pagination">
    <ul>

      <li><?php echo $prevlink; ?></li>

      <?php if($page <= 5) {  ?>
      
      <li class="page-numbers <?php if($get_page == 1) { echo "active-page-number";} ?>"><?php echo $page1; ?></li>
      <li class="page-numbers <?php if($get_page == 2) { echo "active-page-number";} ?>"><?php echo $page2; ?></li>
      <li class="page-numbers <?php if($get_page == 3) { echo "active-page-number";} ?>"><?php echo $page3; ?></li>
      <li class="page-numbers <?php if($get_page == 4) { echo "active-page-number";} ?>"><?php echo $page4; ?></li>
      <li class="page-numbers <?php if($get_page == 5) { echo "active-page-number";} ?>"><?php echo $page5; ?></li>
      
      <?php } else if($page <= 10) { ?>
      
      <li class="page-numbers <?php if($get_page == 6) { echo "active-page-number";} ?>"><?php echo $page6; ?></li>
      <li class="page-numbers <?php if($get_page == 7) { echo "active-page-number";} ?>"><?php echo $page7; ?></li>
      <li class="page-numbers <?php if($get_page ==  { echo "active-page-number";} ?>"><?php echo $page8; ?></li>
      <li class="page-numbers <?php if($get_page == 9) { echo "active-page-number";} ?>"><?php echo $page9; ?></li>
      <li class="page-numbers <?php if($get_page == 10) { echo "active-page-number";} ?>"><?php echo $page10; ?></li>
      
      <?php } else ?>

      <li><?php echo $nextlink; ?></li>

    </ul>
  </div>
</div>
<?php

Edited August 24, 2016 by imgrooot

benanamen · August 24, 2016

I had a feeling you were trying to do something with pagination. This is a classic XY Problem. http://xyproblem.info/

I am surprised the other experts didn't see through what you were asking. I am not inclined to get into this, but you are doing it all wrong. You have now provided enough information that the others here will now be able to properly help you with the "real' problem.

Edited August 24, 2016 by benanamen

imgrooot · August 24, 2016

I had a feeling you were trying to do something with pagination. This is a classic XY Problem. http://xyproblem.info/

I am surprised the other experts didn't see through what you were asking. I am not inclined to get into this, but you are doing it all wrong. You have now provided enough information that the others here will now be able to properly help you with the "real' problem.

Yes It's all about the pagination. The way I have it set up now is more manual work for me. The solution works but I am trying to find a way to improve the pagination code so that it's more efficient.

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Is there a way to duplicate divs and increment them?

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