<?php
//WordPress 百度落地页时间因子改造代码（header.php 文件中的 head 标签之前）
if(is_single()||is_page()){
	$Url = get_the_permalink();
	$tags = "";foreach(wp_get_post_tags($post->ID) as $tag){$tags = $tags.'","'.$tag->name;}$tags=get_the_category()[0]->cat_name.$tags;
	echo '<script type="application/ld+json">{
	"@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld",
	"@id": "'.$Url.'",
	"appid": "这里请填写熊掌号 ID/没有则填'否'",
	"title": "'.get_the_title().'",
	"images": ["'.fanly_post_imgs().'"],
	"description": "'.fanly_custom_excerpt().'",
	"pubDate": "'.get_the_time('Y-m-dTH:i:s').'",
	"upDate": "'.get_the_modified_time('Y-m-dTH:i:s').'",
	"data":{
		"webPage":{
			"headline":"'.get_the_title().'",
			"tag":["'.$tags.'"],
			"pcUrl":"'.$Url.'",
			"wapUrl":"'.$Url.'",
			"appUrl":"'.$Url.'",
			"mipUrl":"'.$Url.'",
			"fromSrc":"'.get_bloginfo('name').'",
			"datePublished": "'.get_the_time('Y-m-dTH:i:s').'"
		}
	}
}</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("rn", "r", "n"), "", $excerpt);
	}
}
?>