テンプレートエラー
<pre>
object(WP_Post)#1909 (24) {
  ["ID"]=>
  int(987)
  ["post_author"]=>
  string(1) "1"
  ["post_date"]=>
  string(19) "2021-12-27 09:26:44"
  ["post_date_gmt"]=>
  string(19) "2021-12-27 00:26:44"
  ["post_content"]=>
  string(0) ""
  ["post_title"]=>
  string(38) "thumbnail_ひが家具1月7段4c校了"
  ["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(86) "thumbnail_%e3%81%b2%e3%81%8c%e5%ae%b6%e5%85%b71%e6%9c%887%e6%ae%b54c%e6%a0%a1%e4%ba%86"
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  ["post_modified"]=>
  string(19) "2021-12-27 09:50:23"
  ["post_modified_gmt"]=>
  string(19) "2021-12-27 00:50:23"
  ["post_content_filtered"]=>
  string(0) ""
  ["post_parent"]=>
  int(0)
  ["guid"]=>
  string(88) "https://www.higakagu.com/wp-content/uploads/2021/12/af61c7cffe405d35ecfff0b43ba43cba.pdf"
  ["menu_order"]=>
  int(0)
  ["post_type"]=>
  string(10) "attachment"
  ["post_mime_type"]=>
  string(15) "application/pdf"
  ["comment_count"]=>
  string(1) "0"
  ["filter"]=>
  string(3) "raw"
}
</pre>