WordPress Custom Page Template Post Query Loop

WordPress Page Template Custom Post Query Loop

<?php
    get_header();
    /*
    Template Name: pagename
    */
?>

<?php
    $loop = new WP_Query( array(
    
        'post_type'       => 'promotion', //CUSTOM POST NAME
        'posts_per_page'  => -1,         // SHOE POST PER PAGE
        'orderby'         => 'title',
        'order'           => 'ASC', //DSC
        )
    );
?>


    <div class="pagetemplate-area">
        <div class="container">
            <div class="row">
                <div class="col-md-12">
                    <div class="single-post">
                        <?php if ( $loop->have_posts() ) : 

                            while ( $loop->have_posts() ) : $loop->the_post();

                            $thumbnails = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full');
                            $content = get_the_content();
                           

                         ?>

                        <!-- HTML CODE SINGLE POST LOOP -->
                        <div class="row">
                            <a href="#">
                                <img src="<?php echo $thumbnails[0]; ?>" alt="<?php the_title(); ?>" />
                            </a>
                        </div>
                        <!-- END HTML CODE SINGLE POST LOOP -->
                        
                        <?php endwhile; wp_reset_query(); ?>

                        <?php else : //ECHO POST NOT FOUND ?>
                            <p class="text-center" style="color: red; font-weight: bold;"><?php esc_html_e( 'Sorry, No Post matched your criteria. Please Add New Post Thank You..!' ); ?></p>
                        <?php  endif; ?>
                        
                    </div>
                </div>
            </div>
        </div>
    </div>

<?php get_footer(); ?>