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How to create a slideshow to show Database content using Bootstrap Carousel?


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I've been working on developing a CMS blog and now I'm trying to create a slideshow wit Bootstrap Carousel on the homepage to present the dynamic content (images + text) using the data from table 'posts'.

I tested this code, and it only presents one post. I mean, It's not possible to go to the next slide. I want to show all the posts on the slides.

*The DB connection is already on the includes. The connection was written on a small file called DB.php

Home.php

<header>
          <div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
                  <ol class="carousel-indicators">
                    <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
                    <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
                    <li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
                  </ol>
                  <div class="carousel-inner" role="listbox">
              <?php
              // The default SQL query
                  $sql = "SELECT * FROM posts ORDER BY id desc";
                  $stmt = $ConnectingDB->query($sql);
                    while ($DataRows = $stmt->fetch()) {
                      $Id = $DataRows["id"];
                      $PostTitle = $DataRows["title"];
                      $Image = $DataRows["image"];
                      $PostText = $DataRows["post"];
              ?>
                    <!-- Slide -->
                    <div class="carousel-item active" style="background-image: url('uploads/<?php echo $Image; ?>')">
                      <div class="carousel-caption">
                        <div class="card-body black">
                          <h3 class="large-mistral-white"><?php echo $PostTitle; ?></h3>
                          <p class="small-times-white"><?php echo $PostText; ?></p>
                        </div>
                      </div>
                    </div>
                    <?php } ?>
                  </div>
                  <a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev">
                    <span class="carousel-control-prev-icon" aria-hidden="true"></span>
                    <span class="sr-only">Previous</span>
                  </a>
                  <a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next">
                    <span class="carousel-control-next-icon" aria-hidden="true"></span>
                    <span class="sr-only">Next</span>
                  </a>
                </div>
        </header>

DB.php

<?php

$DSN='mysql:host = localhost; dbname=everybody_blog';
$ConnectingDB = new PDO($DSN,'root','');
?>

 

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Are you not getting the appropriate output?  If so add some test to validate what you are seeing.

$stmt = $ConnectingDB->query($sql);
print_r($stmt->fetchAll());

Or are your links not working?  Has to do with your JavaScript.

<ol class="carousel-indicators"> 
    <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
    <li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
    <li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
</ol>

 

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