テンプレートエラー
<pre>
object(WP_Post)#8812 (24) {
  ["ID"]=>
  int(1872)
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  string(1) "3"
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  ["post_title"]=>
  string(35) "thumbnail_ひが家具11月7段緑5"
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  string(0) ""
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  string(7) "inherit"
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  ["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>