Advanced Custom Fields IF Statements

template-file.php

//Used in Template
<?php if(get_field('banner_image')): ?>
    <div class="banner-image"><img class="img-responsive" src="<?php the_field('banner_image'); ?>"></div>
<?php endif; ?>
    
    
    
//Used in custom post types
    
<?php
/**
 * page-specific include
 */

$args = array(
    'post_type' => 'events',
    'nopaging' => true,
    'order' => 'DESC',
    'orderby' => 'date'
);
$children = new WP_Query($args);
?>

<?php if ($children->have_posts()) : ?>
    <div class="events row">
        <?php while ($children->have_posts()) : $children->the_post(); $fields = (object) get_fields(); ?>
            <div class="event-info col-xs-12">
                <h3><?php the_title(); ?></h3>
                <?php the_content(); ?>
                <ul class="event-links">
                    <?php if ($fields->event_date_published) : ?>
                        <li class="event-date"><p><?php echo $fields->event_date_published; ?></p></li>
                    <?php endif; ?>
                    <?php if ($fields->event_pdf) : ?>
                        <li><p class="call-to-action"><a href="<?php echo $fields->event_pdf; ?>" target="_blank">View PDF</a></p></li>
                    <?php endif; ?>
                    <?php if ($fields->event_external_link) : ?>
                        <li><p class="call-to-action"><a href="<?php echo $fields->event_external_link; ?>" target="_blank">Link</a></p></li>
                    <?php endif; ?>
                </ul>
            </div>
        <?php endwhile; wp_reset_postdata(); ?>
    </div>
<?php endif; ?>