Create Shortcodes in WordPress

Create Shortcodes in WordPress

add_action('init', 'madcowweb_shortcodes');
function madcowweb_shortcodes() {
    add_shortcode('show-cows', 'show_cows');
}

//SIMPLE TEXT
function show_cows() {
    $html = '<h1>I love cows</h1>';
    return $html;
}

// DISPLAY CUSTOM POSTS
function show_cows() {
    $html = '<div class="cows-container">';

    $cows = get_posts(array(
        'posts_per_page' => -1,
        'post_type' => 'cows',
    ));

    foreach ($cows as $cow) :
        $cow_name = get_the_title($cow->ID);
        $cow_image = get_the_post_thumbnail($cow->ID);
        $cow_content = get_field('cow_description', $cow->ID);
        $cow_talent = get_field('special_talent', $cow->ID);

        $html .= '<div class="cow">';
        $html .= $cow_image;
        $html .= '<h3>' . $cow_name . '</h3>';
        $html .= $cow_content;
        $html .= '<h5>Special Talent: <span>' . $cow_talent . '</span></h5>';
        $html .= '</div><!-- end cow -->';
    endforeach;

    $html .= '</div><!-- end cows-container -->';

    return $html;
}