JINのブログカードを別タブで開きたい！同タブ別タブ選択式のブログカードカスタマイズ

//URLに_atabが付与されている時、ブログカードのアンカータグにtarget="_blank"を付与する
function url_to_blog_card_atab($the_content) {
	if ( is_singular() || is_category() || is_front_page() ) {

		$res = preg_match_all('/^(<p>)?(<a.+?>)?https?:\/\/'.preg_quote(get_this_site_domain()).'\/[-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+(<\/a>)?(<\/p>)?(<br ? \/>)?$/im', $the_content,$m);

		foreach ($m[0] as $match) {
			if ( strpos($match, '_atab') !== false ) {
				$url = strip_tags($match);
				$url = rtrim($url, '_atab');//URLから識別符号（_atab）を削除
				$id = url_to_postid( $url );
				if ( ! $id ) continue;//IDを取得できない場合はループを飛ばす
					$post = get_post($id);
					$title = $post->post_title;
					if( ! get_post_meta($post->ID, 'post_desc',true) == null ){
						$excerpt = get_post_meta($post->ID, 'post_desc',true);
					}else{
						$excerpt = cps_excerpt($post->post_content,68);
					}
					$logo = esc_url( get_site_icon_url( 32 ) ) ;
					$sitetitle = get_bloginfo('name');
					$thumbnail = get_the_post_thumbnail($id, 'cps_thumbnails', array('class' => 'blog-card-thumb-image'));
					if ( !$thumbnail ) {
						$thumbnail = '<img src="'.get_template_directory_uri().'/img/noimg320.png" />';
					}
				
				$tag = '<a href="'.$url.'" class="blog-card" target="_blank" rel="noopener"><div class="blog-card-hl-box"><i class="jic jin-ifont-post"></i><span class="blog-card-hl"></span></div><div class="blog-card-box"><div class="blog-card-thumbnail">'.$thumbnail.'</div><div class="blog-card-content"><span class="blog-card-title">'.$title.'</span><span class="blog-card-excerpt">'.$excerpt.'...</span></div></div></a>';

				$the_content = preg_replace('{'.preg_quote($match).'}', $tag , $the_content, 1);
			} else {
				$url = strip_tags($match);
				$id = url_to_postid( $url );
				if ( ! $id ) continue;//IDを取得できない場合はループを飛ばす
					$post = get_post($id);
					$title = $post->post_title;
					if( ! get_post_meta($post->ID, 'post_desc',true) == null ){
						$excerpt = get_post_meta($post->ID, 'post_desc',true);
					}else{
						$excerpt = cps_excerpt($post->post_content,68);
					}
					$logo = esc_url( get_site_icon_url( 32 ) ) ;
					$sitetitle = get_bloginfo('name');
					$thumbnail = get_the_post_thumbnail($id, 'cps_thumbnails', array('class' => 'blog-card-thumb-image'));
					if ( !$thumbnail ) {
						$thumbnail = '<img src="'.get_template_directory_uri().'/img/noimg320.png" />';
					}
				
				$tag = '<a href="'.$url.'" class="blog-card"><div class="blog-card-hl-box"><i class="jic jin-ifont-post"></i><span class="blog-card-hl"></span></div><div class="blog-card-box"><div class="blog-card-thumbnail">'.$thumbnail.'</div><div class="blog-card-content"><span class="blog-card-title">'.$title.'</span&gt;<span class="blog-card-excerpt">'.$excerpt.'...</span></div></div></a>';

				$the_content = preg_replace('{'.preg_quote($match).'}', $tag , $the_content, 1);
			}
		}
	}
	return $the_content;
}
add_filter('the_content','url_to_blog_card_atab');