テンプレートエラー
<pre>
object(WP_Post)#8806 (24) {
  ["ID"]=>
  int(1354)
  ["post_author"]=>
  string(1) "3"
  ["post_date"]=>
  string(19) "2022-02-03 18:41:53"
  ["post_date_gmt"]=>
  string(19) "2022-02-03 09:41:53"
  ["post_content"]=>
  string(0) ""
  ["post_title"]=>
  string(21) "シェルフと連結"
  ["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(63) "%e3%82%b7%e3%82%a7%e3%83%ab%e3%83%95%e3%81%a8%e9%80%a3%e7%b5%90"
  ["to_ping"]=>
  string(0) ""
  ["pinged"]=>
  string(0) ""
  ["post_modified"]=>
  string(19) "2022-02-03 18:41:53"
  ["post_modified_gmt"]=>
  string(19) "2022-02-03 09:41:53"
  ["post_content_filtered"]=>
  string(0) ""
  ["post_parent"]=>
  int(1339)
  ["guid"]=>
  string(88) "https://www.higakagu.com/wp-content/uploads/2022/02/901532c410c0ea95bf81319f45f59c86.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>