取自 WordPress D8 主题; 路径 theme\d8\modules ; if ( ! function_exists( 'deel_thumbnail' ) ) : function deel_thumbnail() { global $post; if ( has_post_thumbnail() ) { $domsxe = simplexml_load_string(get_the_post_thumbnail()); $thumbnailsrc = $domsxe->attributes()->src; echo ''; } else { $content = $post->post_content; preg_match_all('//sim', $content, $strResult, PREG_PATTERN_ORDER); $n = count($strResult[1]); if($n > 0){ echo ''; }else { echo ''; } } } endif; 复制代码
.'/img/thumbnail.png)
'; 
