Những đoạn code hay dùng trong lập trình theme WordPress (Phần 18: Code query bài viết theo custom filed)

04/02/2023 - 238

18.Code query bài viết theo custom filed

Query 1 custom filed

<?php

// args
$args = array(
    'numberposts' => -1,
    'post_type' => 'event',
    'meta_key' => 'location',
    'meta_value' => 'Melbourne'
);

// query
$the_query = new WP_Query( $args );

?>
<?php if( $the_query->have_posts() ): ?>
    <ul>
    <?php while( $the_query->have_posts() ) : $the_query->the_post(); ?>
        <li>
            <a href="<?php the_permalink(); ?>">
                <img src="<?php the_field('event_thumbnail'); ?>" />
                <?php the_title(); ?>
            </a>
        </li>
    <?php endwhile; ?>
    </ul>
<?php endif; ?>

<?php wp_reset_query(); // Restore global post data stomped by the_post(). ?>

Query nhiều filed

<?php

// args
$args = array(
    'numberposts' => -1,
    'post_type' => 'event',
    'meta_query' => array(
        'relation' => 'AND',
        array(
             'key' => 'location',
             'value' => 'Melbourne',
             'compare' => '='
        ),
        array(
             'key' => 'attendees',
             'value' => 100,
             'type' => 'NUMERIC',
             'compare' => '>'
        )
    )
);


// query
$the_query = new WP_Query( $args );

?>
<?php if( $the_query->have_posts() ): ?>
    <ul>
    <?php while ( $the_query->have_posts() ) : $the_query->the_post(); ?>
        <li>
            <a href="<?php the_permalink(); ?>">
                <img src="<?php the_field('event_thumbnail'); ?>" />
                <?php the_title(); ?>
            </a>
        </li>
    <?php endwhile; ?>
    </ul>
<?php endif; ?>

<?php wp_reset_query(); // Restore global post data stomped by the_post(). ?>