テンプレートエラー
<pre>
object(WP_Post)#1647 (24) {
  ["ID"]=>
  int(407)
  ["post_author"]=>
  string(1) "5"
  ["post_date"]=>
  string(19) "2021-12-15 18:24:30"
  ["post_date_gmt"]=>
  string(19) "2021-12-15 09:24:30"
  ["post_content"]=>
  string(0) ""
  ["post_title"]=>
  string(13) "スライド1"
  ["post_excerpt"]=>
  string(0) ""
  ["post_status"]=>
  string(7) "inherit"
  ["comment_status"]=>
  string(4) "open"
  ["ping_status"]=>
  string(6) "closed"
  ["post_password"]=>
  string(0) ""
  ["post_name"]=>
  string(37) "%e3%82%b9%e3%83%a9%e3%82%a4%e3%83%891"
  ["to_ping"]=>
  string(0) ""
  ["pinged"]=>
  string(0) ""
  ["post_modified"]=>
  string(19) "2021-12-15 18:37:56"
  ["post_modified_gmt"]=>
  string(19) "2021-12-15 09:37:56"
  ["post_content_filtered"]=>
  string(0) ""
  ["post_parent"]=>
  int(400)
  ["guid"]=>
  string(88) "https://www.kokuwa.co.jp/wp-content/uploads/2021/12/5621deba8a18b839c7a4321764bb05e8.png"
  ["menu_order"]=>
  int(0)
  ["post_type"]=>
  string(10) "attachment"
  ["post_mime_type"]=>
  string(9) "image/png"
  ["comment_count"]=>
  string(1) "0"
  ["filter"]=>
  string(3) "raw"
}
</pre>