WordPressでライブ情報をサイドバーに自動で表示する

// ライブ情報
add_shortcode('sc_live_info', function ($kbn) {
	global $wpdb;
  $today = date("Ymd");
  $data = array();
  $week = array("日", "月", "火", "水", "木", "金", "土");
	$data = $wpdb->get_results("SELECT * 
								              FROM live_sche 
									              LEFT OUTER JOIN m_live_place ON live_sche.live_place_id = m_live_place.live_place_id 
								              WHERE live_sche.live_date >= '$today'");
	ob_start();
	if(count($data) > 0){
		foreach($data as $key => $dt) {
			$y = intval(substr($dt->live_date, 0, 4));
			$m = intval(substr($dt->live_date, 4, 2));
			$d = intval(substr($dt->live_date, 6, 2));
			$w = $week[date("w",mktime(0,0,0,$m,$d,$y))];
			$adv = number_format($dt->advance);
			$door = number_format($dt->at_the_door);
			$stream = number_format($dt->stream);
			$one_drink = number_format($dt->one_drink);
			$img_url = "/live/".$y."/img/".$dt->live_date.".webp";
			if($key > 0){
				echo "<p class=\"al-c\">－－－－－－－－－－－－－－－－</p>";
			}
			if($kbn[0] == 'side'){
				$width_size = "80%";
			}else{
				$width_size = "50%";
			}
			echo "<p class=\"al-c\"><span class=\"b big\">{$y}.</span><span class=\"b big2\">{$m}.{$d}</span>（{$w}）</p>";
			echo "<p class=\"al-c\"><a href=\"https://vasofatum.jp/live/\" target=\"_blank\"><span class=\"b big\">『{$dt->live_name}』</span></a><br>{$dt->live_place}</p>";
			echo "<p class=\"al-c\">OPEN {$dt->live_open} / START {$dt->live_start}<br>ADV &yen{$adv} / DAY &yen{$door}<br>ツイキャス配信 &yen{$stream}<br>※別途1ドリンク &yen{$one_drink}</p>";
			echo "<p style=\"text-align:center;\"><img src=\"https://vasofatum.jp/{$img_url}\" alt=\"{$dt->live_name}\" style=\"width:{$width_size};\"></p>";
		}
	}else{
		echo "<p class=\"al-c m40-t\">ライブは未定です</p>";
	}
	return ob_get_clean();
});