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    Website malfunction after the use of Pods plugin

    Website malfunction after the use of Pods plugin

    Pods is a content development framework for WordPress that you can use to create, manage and implement custom content – all in one place. It allows you both to create completely new material and to further customize the content that already exists. With an average rating of 4.9/5, it has become the favorite plugin for many creators.

    Despite the positive reviews of Pods, you may still encounter a problem with page listings. If you do, don’t worry – we have a solution for you.

    After routine WordPress plugin updates, we’ve noticed that some subpages are broken. HTTP response status code was still correct (200), but listing suddenly stopped rendering. A close look at source-view HTML showed:

    (...)
    <article id="post-393" class="post-393 page type-page status-publish hentry">
    <div class="entry-content">
    <div class="list-item-element">
    <div class="list-item-wrapper">
    <a class="list-thumbnail" href="/news/title-123/">
    <img src="/wp-content/uploads/2019/03/logo.jpg" />
    <h4 class="list-title">Title 123</h4>
    </a>
    </div>
    </div>
    (...) END of output

    We enabled WP-DEBUG Log to check if there are any PHP errors. We added the following solution to wp-conifg.php :

    // define('WP_DEBUG', false);
    define( 'WP_DEBUG', true );
    define( 'WP_DEBUG_LOG', 'wp-content/ct_debugging.log');
    define( 'WP_DEBUG_DISPLAY', false );
    

    However, the error log didn’t show any critical errors. We had to conduct a more in-depth investigation: listings are rendered by wordpress plugin: Pods – Custom Content Types and Fields 2.7.21.
    In Wp-admin / Pods Admin / Pod Templates / news-root there was the following template:

    [before]
    <div class="main-list">
    [/before]
    <div class="list-item-element">
    <div class="list-item-wrapper">
    <a class="list-thumbnail" href="{@permalink}">
    <img src="{@post_thumbnail_url.full}" />
    <h4 class="list-title">{@post_title}</h4>
    </a>
    </div>
    </div>
    [after]
    </div>
    [/after]

    The bug was caused by {@post_thumbnail_url.full} in a situation when the “featured image” wasn’t added to the news. In the previous plugin version, it was working totally fine.

    Solution

    We introduced special tags into the template: [if post_thumbnail][/if]
    After adding those, the page started to work correctly again.

    [before] 
    <div class="main-list"> 
    [/before] 
    <div class="list-item-element"> 
    <div class="list-item-wrapper"> 
    <a class="list-thumbnail" href="{@permalink}">
     [if post_thumbnail] 
    <img src="{@post_thumbnail_url.full}" />
    [/if] 
    <h4 class="list-title">{@post_title}</h4>
    </a> 
    </div> 
    </div> 
    [after] 
    </div> 
    [/after]
    

    Update

    Some time later, the bug was fixed in the next plugin release (2.7.22). More info here: https://github.com/pods-framework/pods/pull/5805
    = 2.7.22 – August 13th 2020 =
    **Bug Fixes**
    * Fixed: Prevent fatal errors about memory when using certain magic tag / thumbnail combinations. #5805 (@JoryHogeveen)

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