post_id = $post_id; add_action('wp_enqueue_scripts', array($this, 'enqueue_scripts')); add_action('wp_ajax_nectar-love', array($this, 'ajax')); add_action('wp_ajax_nopriv-nectar-love', array($this, 'ajax')); } function enqueue_scripts() { wp_register_script( 'post-favorite', get_template_directory_uri() . '/js/post_favorite.js', array('jquery'), '1.0', true ); global $post; wp_localize_script( 'post-favorite', 'nectarLove', array( 'ajaxurl' => admin_url('admin-ajax.php'), 'postID' => $post ? $post->ID : 0, 'rooturl' => home_url() ) ); wp_enqueue_script('post-favorite'); } function ajax($post_id = null) { // Update if (isset($_POST['loves_id'])) { $post_id = str_replace( 'nectar-love-', '', sanitize_text_field(wp_unslash($_POST['loves_id'])) ); echo $this->love_post($post_id, 'update'); } // Get else { $post_id = str_replace( 'nectar-love-', '', sanitize_text_field(wp_unslash($_POST['loves_id'])) ); echo $this->love_post($post_id, 'get'); } exit; } function love_post($post_id, $action = 'get') { if (!is_numeric($post_id)) { return; } $post_id = absint($post_id); switch ($action) { case 'get': $love_count = get_post_meta($post_id, '_nectar_love', true); if (!$love_count) { $love_count = 0; add_post_meta($post_id, '_nectar_love', $love_count, true); } return '' . esc_html($love_count) . ''; break; case 'update': $love_count = get_post_meta($post_id, '_nectar_love', true); $love_count = absint($love_count); if (isset($_COOKIE['nectar_love_' . $post_id])) { return '' . esc_html($love_count) . ''; } $love_count++; update_post_meta($post_id, '_nectar_love', $love_count); /* * Keep the existing cookie behavior while using a valid * future expiration timestamp. * * 20 years: * 20 * 365 * 24 * 60 * 60 seconds */ $cookie_expiration = time() + (20 * 365 * 24 * 60 * 60); setcookie( 'nectar_love_' . $post_id, (string) $post_id, $cookie_expiration, '/' ); return '' . esc_html($love_count) . ''; break; } } function add_love($unit = '', $show_icon = true) { global $post; if (!$post || empty($post->ID)) { return ''; } $output = $this->love_post($post->ID); $class = 'nectar-love'; $icon = 'fa fa-heart-o'; $title = __('Love this', 'wp-candidate'); if (isset($_COOKIE['nectar_love_' . $post->ID])) { $class = 'nectar-love loved'; $icon = 'fa fa-heart'; $title = __('You already love this!', 'wp-candidate'); } $heart_icon = ''; if ($show_icon) { $heart_icon = ''; } return '' . ' ' . $heart_icon . $output . ' ' . esc_html($unit) . ''; }}global $post_favorite;$post_favorite = new NectarLove();function post_favorite($return = '', $unit = '', $show_icon = true) { global $post_favorite; if ($return === 'return') { return $post_favorite->add_love($unit, $show_icon); } echo $post_favorite->add_love($unit, $show_icon);}?>