テンプレートエラー
<pre>
object(WP_Post)#1650 (24) {
  ["ID"]=>
  int(410)
  ["post_author"]=>
  string(1) "5"
  ["post_date"]=>
  string(19) "2021-12-15 21:01:44"
  ["post_date_gmt"]=>
  string(19) "2021-12-15 12:01:44"
  ["post_content"]=>
  string(0) ""
  ["post_title"]=>
  string(13) "スライド3"
  ["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(39) "%e3%82%b9%e3%83%a9%e3%82%a4%e3%83%893-2"
  ["to_ping"]=>
  string(0) ""
  ["pinged"]=>
  string(0) ""
  ["post_modified"]=>
  string(19) "2021-12-15 21:01:44"
  ["post_modified_gmt"]=>
  string(19) "2021-12-15 12:01:44"
  ["post_content_filtered"]=>
  string(0) ""
  ["post_parent"]=>
  int(400)
  ["guid"]=>
  string(90) "https://www.kokuwa.co.jp/wp-content/uploads/2021/12/ee3be1d100caf1aa771552d59c2bd436-1.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>