WordPressで予約投稿や自動非表示機能(Post Expirator)が失敗するとき

wp-includes/cron.php　の248行目の以下の数字を変更する

変更前

wp_remote_post( $cron_url, array( ‘timeout’ => 0.01, ‘blocking’ => false, ‘sslverify’ => apply_filters( ‘https_local_ssl_verify’, true ) ) );

変更後

wp_remote_post( $cron_url, array( ‘timeout’ => 5, ‘blocking’ => false, ‘sslverify’ => apply_filters( ‘https_local_ssl_verify’, true ) ) );