php,wordpress,bxslider , Bxslider, Custom Fields & Wordpress


Bxslider, Custom Fields & Wordpress

Question:

Tag: php,wordpress,bxslider

Good Afternoon, can anyone explain how i can achieve two things with the existing code below:

  1. Remove the null values, as these are exporting bxslider items that have broken links
  2. For some reason two versions of each image in the the pager are showing. Can anyone see why and how i stop these duplicates.

Thanks for yout ime guys, as ever - its hugely appreciated.

    <ul class="bxslider">
    <?php
    $images = get_post_meta(get_the_ID() , "images", true);
    $images = unserialize($images);

    // Read into array

    foreach($images as $image)
        {
        $ar[] = array(
            "order" => $image['order'],
            "img_id" => $image['image_id'],
            "desc" => $image["desc"]
        );
        }

    // Sort array by order

    asort($ar);

    // Output data for Galleria

    foreach($ar as $item)
        {
        $image_id = $item['img_id'];
        $media_med = wp_get_attachment_image_src($image_id, "medium", false);
        $media_full = wp_get_attachment_image_src($image_id, "full", false);
        echo "<li><img data-title='" . $item["desc"] . "' data-big='" . $media_full[0] . "' src='" . $media_med[0] . "'></li>";
        }

    ?>
    </ul>
    <div id="bx-pager">
    <?php
    $images = get_post_meta(get_the_ID() , "images", true);
    $images = unserialize($images);

    // Read into array

    foreach($images as $image)
        {
        $ar[] = array(
            "order" => $image['order'],
            "img_id" => $image['image_id'],
            "desc" => $image["desc"]
        );
        }

    // Sort array by order

    asort($ar);

    // Output data for Galleria

    foreach($ar as $item)
        {
        $image_id = $item['img_id'];
        $media_med = wp_get_attachment_image_src($image_id, "medium", false);
        $media_full = wp_get_attachment_image_src($image_id, "full", false);
        echo "<a href='' data-slide-index='0'>";
        echo "<img src='" . $media_med[0] . "'>";
        echo "</a>";
        }

    ?>
    </div>

Answer:

First, you can run array_filter() on the $ar array to remove false/ empty values.

Next, you probably don't need this line

$media_full = wp_get_attachment_image_src($image_id, "full", false);

You could comment it out and it won't have any effect on the page.


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