WordPress 熊掌号精选问答页面改造代码

<?php
global $wp;$current_url = home_url(add_query_arg(array(),$wp->request));
if($current_url)echo '<link rel="canonical" href="'.$current_url.'" />'."\n";
$xzh_title=$xzh_upDate=$xzh_pubDate=$xzh_lrDate=$images=$description=$xzh_data='';
if(is_single()||is_page()){
	$xzh_title = get_the_title();
	$current_url = get_the_permalink();
	$images = '"images": ["'.fanly_post_imgs().'"],'."\n";
	$description = '"description": "'.fanly_custom_excerpt().'",'."\n";
	$xzh_pubDate = '"pubDate": "'.get_the_time('Y-m-d\TH:i:s').'",'."\n";
	if(get_comments(array('post_id'=>$GLOBALS['post']->ID,'status'=>'approve','count'=>true))){
		$xzh_upDate = '"upDate": "'.get_the_modified_time('Y-m-d\TH:i:s').'",'."\n";
		if(in_category(array(1377))){//熊掌号问答内容，1377 为相关问答分类目录 ID，多个可用英文,逗号分隔。
			$xzh_lrDate = '"lrDate": "'.date('Y-m-d\TH:i:s',strtotime(get_comments(array('post_id'=> $GLOBALS['post']->ID,'status' => 'approve','number'=>1))[0]->comment_date)).'",'."\n";
		}else{
			$xzh_lrDate = '"lrDate": "'.date('Y-m-d\TH:i:s',strtotime(get_comments(array('post_id'=> $GLOBALS['post']->ID,'status' => 'approve','number'=>1))[0]->comment_date)).'"'."\n";
		}
	}else{
		if(in_category(array(1377))){//熊掌号问答内容
			$xzh_upDate = '"upDate": "'.get_the_modified_time('Y-m-d\TH:i:s').'",'."\n";
		}else{
			$xzh_upDate = '"upDate": "'.get_the_modified_time('Y-m-d\TH:i:s').'"'."\n";
		}
	}
 
//熊掌号问答内容 S
if(in_category(array(1377))){//1377 为相关问答分类目录 ID，多个可用英文,逗号分隔。
	$headline = strtr($xzh_title,array('，'=>'','？'=>'','！'=>'',','=>'','!'=>'','?'=>'','、'=>'','“'=>'','”'=>''));
	switch( get_the_author_meta('user_level',$GLOBALS['post']->post_author) ){
		case 10: $jobTitle = '主编';  break;  //管理
		case 7: $jobTitle = '编辑';  break;  
		case 2: $jobTitle = '作者';  break;  
		case 1: $jobTitle = '投稿';  break;  
		case 0: $jobTitle = '用户';  break;  
	}
   $xzh_data = '"data": {
	"WebPage": {
		"headline": "'.$headline.'",
		"fromSrc": "泪雪网",
		"domain": "科技",
		"category": [
			"问答"
		],
	},
	"Question": [
		{
			"acceptedAnswer": "'.fanly_custom_excerpt().'"
		}
	],
	"ImageObject": [
		{
			"contentUrl": "'.fanly_post_imgs().'",
			"scale": "5:2"
		}
	],
	"Author": [
		{
			"name": "'.get_the_author_meta('display_name',$GLOBALS['post']->post_author).'",
			"memberOf":
				{
					"legalName": "泪雪网"
				},
			"jobTitle": ["'.$jobTitle.'"],
			"headPortrait": "'.get_avatar_url( get_the_author_meta('email') ).'"
		}
	]
}';
}
//熊掌号问答内容 E
}
if($current_url && $xzh_title && $xzh_pubDate){
echo '<script type="application/ld+json">{
"@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld",
"@id": "'.$current_url.'",
"appid": "你的熊掌号 APPID 填在这里",
"title": "'.$xzh_title.'",';
echo $images.$description.$xzh_pubDate.$xzh_upDate.$xzh_lrDate.$xzh_data;
echo '}</script>';
}
 
//以下代码可以添加到当前主题 functions.php 文件中
//获取文章中的图 last update 2018/01/22
function fanly_post_imgs(){
	global $post;
	$src = '';
	$content = $post->post_content;  
	preg_match_all('/<img .*?src=[\"|\'](.+?)[\"|\'].*?>/', $content, $strResult, PREG_PATTERN_ORDER);  
	$n = count($strResult[1]);  
	if($n >= 3){
		$src = $strResult[1][0].'","'.$strResult[1][1].'","'.$strResult[1][2];
	}elseif($n >= 1){
		$src = $strResult[1][0];
	}
	return $src;
}
//获取文章/页面摘要
function fanly_custom_excerpt($len=120){
	if ( is_single() || is_page() ){
		global $post;
		if ($post->post_excerpt) {
			$excerpt  = $post->post_excerpt;
		} else {
			if(preg_match('/<p>(.*)<\/p>/iU',trim(strip_tags($post->post_content,"<p>")),$result)){
				$post_content = $result['1'];
			} else {
				$post_content_r = explode("\n",trim(strip_tags($post->post_content)));
				$post_content = $post_content_r['0'];
			}
			$excerpt = preg_replace('#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,0}'.'((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$len.'}).*#s','$1',$post_content);
		}
		return str_replace(array("\r\n", "\r", "\n"), "", $excerpt);
	}
}
?>