PHP - Search with Pagination - php

Question

So I have these two PHP files products.php and receive.php .
What my problem is I want to use Ajax on displaying the products with search and paginates also. The code below works though but only if I use a GET. Is it possible to submit only the page number and refreshes only the div (where products loop) and not the whole page so that my POST requests (from search values - title, keywords) will still hold? coz if I use GET on pagination, the POST requests are getting empty after clicking the second page.
receive.php
$pdo_sql = 'SELECT * FROM items WHERE item_title LIKE %$keyword% OR keywords LIKE %$keyword% ORDER BY id DESC ';
/*** Pagination Code starts ***/
$per_page_html = '';
$page = 1;
$start=0;
// Get Page Number
if(!empty($_GET["page"])) {
$page = $_GET["page"];
$start=($page-1) * ROW_PER_PAGE;
}
// Adds Limit to Query then Execute
$limit=" LIMIT " . $start . "," . ROW_PER_PAGE;
$pagination_statement = $pdo_conn->prepare($pdo_sql);
$pagination_statement->bindValue(':keyword', '%' . $keyword . '%', PDO::PARAM_STR);
$pagination_statement->execute();
// Count the total number of rows
$row_count = $pagination_statement->rowCount();
if(!empty($row_count)){
$total_links=ceil($row_count/ROW_PER_PAGE);
$previous_link = $next_link = $page_link = '';
if($total_links > 4)
{
if($page < 5)
{
for($count = 1; $count <= 5; $count++)
{
$page_array[] = $count;
}
$page_array[] = '...';
$page_array[] = $total_links;
}
else
{
$end_limit = $total_links - 5;
if($page > $end_limit)
{
$page_array[] = 1;
$page_array[] = '...';
for($count = $end_limit; $count <= $total_links; $count++)
{
$page_array[] = $count;
}
}
else
{
$page_array[] = 1;
$page_array[] = '...';
for($count = $page - 1; $count <= $page + 1; $count++)
{
$page_array[] = $count;
}
$page_array[] = '...';
$page_array[] = $total_links;
}
}
}
else
{
for($count = 1; $count <= $total_links; $count++)
{
$page_array[] = $count;
}
}
for($count = 0; $count < count($page_array); $count++)
{
if($page == $page_array[$count])
{
// Current Page = Selected Page
$page_link .= '<a class="paginate_current" href="javascript:void(0)">'.$page_array[$count].'</a>';
$previous_id = $page_array[$count] - 1;
if($previous_id > 0)
{
// Previous Button Enable
$previous_link = '<a class="paginate_prev" href="products.php?page='.$previous_id.'">Previous</a>';
}
else
{
// Previous Button Disabled
$previous_link = '<a class="paginate_prev-disabled" href="javascript:void(0)">Previous</a>';
}
$next_id = $page_array[$count] + 1;
if($next_id > $total_links)
{
// Next Button Disabled
$next_link = '<a class="paginate_next-disabled" href="javascript:void(0)">Next</a>';
}
else
{
// Next Button Enabled
$next_link = '<a class="paginate_next" href="products.php?page='.$next_id.'">Next</a>';
}
}
else
{
if($page_array[$count] == '...')
{
// Ellipsis
$page_link .= '<a class="paginate_ellipsis" href="javascript:void(0)">...</a>';
}
else
{
// Pages
$page_link .= '<a class="paginate_pages" href="products.php?page='.$page_array[$count].'">'.$page_array[$count].'</a>';
}
}
}
$per_page_html .= '<div class="text-center paginate">';
$per_page_html .= $previous_link . $page_link . $next_link;
$per_page_html .= '</div>';
}
$query = $pdo_sql.$limit;
$pdo_statement = $pdo_conn->prepare($query);
$pdo_statement->bindValue(':keyword', '%' . $keyword . '%', PDO::PARAM_STR);
$pdo_statement->execute();
$pdo_result = $pdo_statement->fetchAll();
products.php
<div class="row">
<div class="col">
<div class="products_container grid" id="refresh">
<?php
if(!empty($pdo_result)) {
foreach($pdo_result as $pdo_row) {
$id = $pdo_row['id'];
$name = $pdo_row['item_title'];
$img = $pdo_row['item_img'];
$price = $pdo_row['item_price'];
$sold = $pdo_row['item_sold'];
$stocks = $pdo_row['stocks'];
$date = $pdo_row['date'];
if ($sold >= $max && $date != date("Y-m-d") ) {
$sort = 'hot';
}else if($date == date("Y-m-d") && $sold <= $max){
$sort = 'new';
}else{
$sort = '';
}
echo '
<div class="product grid-item '.$sort.'">
<div class="product_inner">
<div class="product_image">
<img src="'.$img.'" alt="">
<div class="product_tag">'.$sort.'</div>
</div>
<div class="product_content text-center">
<div class="product_title text-long">'.$name.'</div>
<div class="product_price">₱'.number_format($price).'</div>
<div class="product_button ml-auto mr-auto trans_200">
<button class="product_button ml-auto mr-auto trans_200" id="add2c" data-prod=" '.$id.' " type="button" >add to cart</button>
</div>
</div>
</div>
</div>
';
} //End Foreach Loop
}
else{
echo "no products found";
}
?>
</div>
</div>
</div>
<!-- PAGINATION HERE -->
<?php echo $per_page_html; ?>

Answer 1

Method 1 => Without ajax
You can use the GET method for search value also. and in every pagination link
append the search value too.
for example.
$next_link = '<a class="paginate_next" href="products.php?page='.$next_id.'">Next</a>';
instead of above line use below one.
$next_link = '<a class="paginate_next" href="products.php?page='.$next_id.'&search='.$keyword.'">Next</a>';
Method 2 => using ajax
instead of href use a javascript function like below
$next_link = '<a class="paginate_next" href="#" onclick="paginate_fn(\''.$next_id.'\', \''.$keyword.'\'">Next</a>'
<script>
function paginate_fn(pageID, keyword){
$.ajax({
async: true,
type: 'get', // you can use post also
dataType:'json',
data: {'pageID':pageID, 'keyword': keyword},
url: "paget_name.php", // your page name
success: function (data) {
$('#search-content').html( data['content'] );
},
error: function () {
alert('An Error Occurred!.');
}
});
}
</script>