テンプレートエラー
<pre>
object(WP_Post)#8666 (24) {
  ["ID"]=>
  int(168)
  ["post_author"]=>
  string(1) "3"
  ["post_date"]=>
  string(19) "2020-08-31 12:56:23"
  ["post_date_gmt"]=>
  string(19) "2020-08-31 03:56:23"
  ["post_content"]=>
  string(0) ""
  ["post_title"]=>
  string(18) "ハートマーク"
  ["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(56) "%e3%83%8f%e3%83%bc%e3%83%88%e3%83%9e%e3%83%bc%e3%82%af-2"
  ["to_ping"]=>
  string(0) ""
  ["pinged"]=>
  string(0) ""
  ["post_modified"]=>
  string(19) "2020-08-31 12:56:23"
  ["post_modified_gmt"]=>
  string(19) "2020-08-31 03:56:23"
  ["post_content_filtered"]=>
  string(0) ""
  ["post_parent"]=>
  int(166)
  ["guid"]=>
  string(95) "http://www.heart-yakkyoku.net/wp-content/uploads/2020/08/aec83fe14e1017827666a4bddbb11952-1.jpg"
  ["menu_order"]=>
  int(0)
  ["post_type"]=>
  string(10) "attachment"
  ["post_mime_type"]=>
  string(10) "image/jpeg"
  ["comment_count"]=>
  string(1) "0"
  ["filter"]=>
  string(3) "raw"
}
</pre>