File: /www/wwwroot/www.sceysls.com/wp-content/themes/Zing-Pro/public/extend/xintheme-seo.php
<?php
/**
* @Author: 大胡子
* @Email: dahuzi@xintheme.com
* @Link: www.dahuzi.me
* @Date: 2020-03-03 01:11:07
* @Last Modified by: dahuzi
* @Last Modified time: 2022-04-19 23:56:25
*/
if( dahuzi('dahuzi_seo_switch') ){ //判断是否开启主题SEO设置
add_action('wp_head', 'dahuzi_the_head', 0);
function dahuzi_the_head() {
dahuzi_seo_title();
dahuzi_seo_keywords();
dahuzi_seo_description();
dahuzi_seo_og();
}
// 标题分隔符
function _get_delimiter(){
return dahuzi('connector') ? dahuzi('connector') : '-';
}
function _get_tax_meta($id=0, $field=''){
$ops = get_option( "_taxonomy_meta_$id" );
if( empty($ops) ){
return '';
}
if( empty($field) ){
return $ops;
}
return isset($ops[$field]) ? $ops[$field] : '';
}
// 网站标题
function dahuzi_seo_title() {
global $paged;
$html = '';
if ($paged > 1) {
$html .= '第' . $paged . '页' . _get_delimiter();
}
//if ( is_tag() ) {
//$html .= '标签_';
//}
$t = trim(wp_title('', false));
if ($t) {
$html .= $t . _get_delimiter();
}
$html .= get_bloginfo('name');
if ( is_home() || is_front_page() ) {
if(dahuzi('hometitle')){
$html = dahuzi('hometitle');
}else{
if( get_option('blogdescription') ){
$html .= _get_delimiter() . get_option('blogdescription');
}
}
}
if( is_category() ){
global $wp_query;
$cat_ID = get_query_var('cat');
$category = get_term_meta( $cat_ID, '_prefix_taxonomy_options', true );
$seo_str = isset($category['seo_title']) ?$category['seo_title'] : '';
$cat_tit = ($seo_str) ? $seo_str : _get_tax_meta($cat_ID, 'title');
if( $cat_tit ){
$html = $cat_tit;
}
}
if( is_author() ){
$html = '作者_'.esc_html( get_the_author() ).'-'.get_bloginfo('name');
}
if( is_search() ){
$html = esc_html(get_search_query(), 1).'_搜索結果-'.get_bloginfo('name');
}
if( (is_single() || is_page()) ){
global $post;
$post_ID = $post->ID;
if( is_singular('dahuzi-page') ){
$post_metabox = get_post_meta($post->ID, 'dahuzi_page_seo', true );
}elseif( is_page() ){
$post_metabox = get_post_meta($post->ID, 'page_seo', true );
}else{
$post_metabox = get_post_meta($post_ID, 'extend_info', true );
}
$post_seo = isset($post_metabox['seo_title']) ?$post_metabox['seo_title'] : '';
$seo_title = trim($post_seo);
if($seo_title) $html = $seo_title;
}
echo "<title>{$html}</title>\n";
}
// 网站关键词
function dahuzi_seo_keywords() {
global $s, $post;
$keywords = '';
if ( is_home() || is_front_page() ) {
$keywords = dahuzi('home_keywords');
}elseif (is_singular()) {
if (get_the_tags($post->ID)) {
foreach (get_the_tags($post->ID) as $tag) {
$keywords .= $tag->name . ', ';
}
}
foreach (get_the_category($post->ID) as $category) {
$keywords .= $category->cat_name . ', ';
}
$keywords = substr_replace($keywords, '', -2);
//$post_metabox = get_post_meta($post->ID, 'extend_info', true );
if( is_singular('dahuzi-page') ){
$post_metabox = get_post_meta($post->ID, 'dahuzi_page_seo', true );
}elseif( is_page() ){
$post_metabox = get_post_meta($post->ID, 'page_seo', true );
}else{
$post_metabox = get_post_meta($post->ID, 'extend_info', true );
}
$post_seo = isset($post_metabox['seo_keywords']) ?$post_metabox['seo_keywords'] : '';
$the = trim($post_seo);
if ($the) {
$keywords = $the;
}
} elseif (is_tag()) {
$keywords = single_tag_title('', false);
} elseif (is_category()) {
global $wp_query;
$cat_ID = get_query_var('cat');
$category = get_term_meta( $cat_ID, '_prefix_taxonomy_options', true );
$seo_str = isset($category['seo_keywords']) ?$category['seo_keywords'] : '';
$keywords = ($seo_str) ? $seo_str : _get_tax_meta($cat_ID, 'keywords');
if( !$keywords ){
$keywords = single_cat_title('', false);
}
} elseif (is_search()) {
$keywords = esc_html($s, 1);
} else {
$keywords = trim(wp_title('', false));
}
if ($keywords) {
echo "<meta name=\"keywords\" content=\"{$keywords}\" />\n";
}
}
// 网站描述
function dahuzi_seo_description() {
global $s, $post;
$description = '';
$blog_name = get_bloginfo('name');
if ( is_home() || is_front_page() ) {
$description = dahuzi('home_description');
}elseif (is_singular()) {
if (!empty($post->post_excerpt)) {
$text = $post->post_excerpt;
} else {
$text = $post->post_content;
}
$description = trim(str_replace(array("\r\n", "\r", "\n", " ", " "), " ", str_replace("\"", "'", strip_tags($text))));
$description = mb_substr($description, 0, 200, 'utf-8');
if (!$description) {
$description = $blog_name . "-" . trim(wp_title('', false));
}
//$post_metabox = get_post_meta($post->ID, 'extend_info', true );
if( is_singular('dahuzi-page') ){
$post_metabox = get_post_meta($post->ID, 'dahuzi_page_seo', true );
}elseif( is_page() ){
$post_metabox = get_post_meta($post->ID, 'page_seo', true );
}else{
$post_metabox = get_post_meta($post->ID, 'extend_info', true );
}
$post_seo = isset($post_metabox['seo_description']) ?$post_metabox['seo_description'] : '';
$the = trim($post_seo);
if ($the) {
$description = $the;
}
} elseif (is_tag()) {
$description = trim(strip_tags(tag_description()));
} elseif (is_category()) {
global $wp_query;
$cat_ID = get_query_var('cat');
$category = get_term_meta( $cat_ID, '_prefix_taxonomy_options', true );
$seo_str = isset($category['seo_description']) ?$category['seo_description'] : '';
$description = ($seo_str) ? $seo_str : _get_tax_meta($cat_ID, 'description');
if( !$description ){
$description = trim(strip_tags(category_description()));
}
} elseif (is_archive()) {
$description = $blog_name . "'" . trim(wp_title('', false)) . "'";
} elseif (is_search()) {
$description = $blog_name . ": '" . esc_html(get_search_query(), 1) . "' 的搜索結果";
} else {
$description = $blog_name . "'" . trim(wp_title('', false)) . "'";
}
if ($description) {
echo "<meta name=\"description\" content=\"$description\" />\n";
}
}
// og标签
function dahuzi_seo_og() {
global $post,$paged,$page;
$og = '';
if ( is_home() || is_front_page() ) {
$og .= '<meta property="og:type" content="webpage" />' . "\n";
$og .= '<meta property="og:url" content="'.get_pagenum_link($page).'" />' . "\n";
$og .= '<meta property="og:site_name" content="'.esc_attr(get_bloginfo( "name" )).'" />' . "\n";
$og .= '<meta property="og:title" content="'.esc_attr(dahuzi('hometitle')).'" />' . "\n";
$og .= '<meta property="og:image" content="'.esc_url(xintheme_img('logo')).'" />' . "\n";
$og .= '<meta property="og:description" content="'.esc_attr(trim(strip_tags(dahuzi('home_description')))).'" />' . "\n";
}elseif(is_singular() && !is_front_page()){
if (!empty($post->post_excerpt)) {
$post_text = $post->post_excerpt;
} else {
$post_text = $post->post_content;
}
$post_desc = trim(str_replace(array("\r\n", "\r", "\n", " ", " "), " ", str_replace("\"", "'", strip_tags($post_text))));
$post_desc = mb_substr($post_desc, 0, 200, 'utf-8');
if (!$post_desc) {
$post_desc = trim(wp_title('', false));
}
//$post_metabox = get_post_meta($post->ID, 'extend_info', true );
if( is_singular('dahuzi-page') ){
$post_metabox = get_post_meta($post->ID, 'dahuzi_page_seo', true );
}elseif( is_page() ){
$post_metabox = get_post_meta($post->ID, 'page_seo', true );
}else{
$post_metabox = get_post_meta($post->ID, 'extend_info', true );
}
$post_seo = isset($post_metabox['seo_description']) ?$post_metabox['seo_description'] : '';
if ($post_seo) {
$post_desc = trim($post_seo);
}
$type = 'article';
if(is_singular('page')){
$type = 'webpage';
}
$og .= '<meta property="og:type" content="'.$type.'" />' . "\n";
$og .= '<meta property="og:url" content="'.get_pagenum_link($paged).'" />' . "\n";
$og .= '<meta property="og:site_name" content="'.esc_attr(get_bloginfo( "name" )).'" />' . "\n";
$og .= '<meta property="og:title" content="'.esc_attr($post->post_title).'" />' . "\n";
$og .= '<meta property="og:image" content="'.esc_url(post_thumbnail_url()).'" />' . "\n";
$og .= '<meta property="og:description" content="'.esc_attr(trim(strip_tags($post_desc))).'" />' . "\n";
}elseif( is_category() || is_tag() || is_tax() ){
$term = get_queried_object();
$cat_data = get_term_meta( $term->term_id, '_prefix_taxonomy_options', true );
$seo_str = isset($cat_data['seo_description']) ?$cat_data['seo_description'] : '';
$cat_desc = ($seo_str) ? $seo_str : _get_tax_meta($term->term_id, 'description');
if( !$cat_desc ){
$cat_desc = trim(strip_tags(category_description()));
}
if( is_tag() ){
$cat_desc = single_tag_title('', false);
}
$og .= '<meta property="og:type" content="webpage" />' . "\n";
$og .= '<meta property="og:url" content="'.get_pagenum_link($paged).'" />' . "\n";
$og .= '<meta property="og:site_name" content="'.esc_attr(get_bloginfo( "name" )).'" />' . "\n";
$og .= '<meta property="og:title" content="'.esc_attr(single_cat_title('', false)).'" />' . "\n";
$og .= '<meta property="og:image" content="'.esc_url(xintheme_img('logo')).'" />' . "\n";
$og .= '<meta property="og:description" content="'.esc_attr(trim(strip_tags($cat_desc))).'" />' . "\n";
}
echo $og;
}
}else{//判断是否开启主题SEO设置 END
add_theme_support('title-tag');
}
// 熊掌号 新文章发布时实时推送（天级收录）
add_action('publish_post', 'tb_xzh_post_to_baidu');
function tb_xzh_post_to_baidu() {
if( dahuzi('xiongzhanghao') && dahuzi('xzh_appid') && dahuzi('xzh_post_token') ){
global $post;
$plink = get_permalink($post->ID);
if( !$plink || get_post_meta($post->ID, 'xzh_tui_back', true) ){
return false;
}
$urls = array();
$urls[] = $plink;
$api = 'http://data.zz.baidu.com/urls?site='. dahuzi('xzh_appid') .'&token='. dahuzi('xzh_post_token') .'&type=daily';
$ch = curl_init();
$options = array(
CURLOPT_URL => $api,
CURLOPT_POST => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POSTFIELDS => implode("\n", $urls),
CURLOPT_HTTPHEADER => array('Content-Type: text/plain'),
);
curl_setopt_array($ch, $options);
$result = curl_exec($ch);
$result = json_decode($result);
$result_text = '成功';
if( $result->error ){
$result_text = '失败 '.$result->message;
}
update_post_meta($post->ID, 'xzh_tui_back', $result_text);
}
}
// WordPress发布文章主动推送到百度，加快收录保护原创
if(!function_exists('XinTheme_Baidu_Submit') && function_exists('curl_init')) {
function XinTheme_Baidu_Submit($post_ID) {
if( dahuzi('XinTheme_Baidu_Submit') && dahuzi('Baidu_Submit_url') && dahuzi('Baidu_Submit_token') ){
$WEB_SITE = dahuzi('Baidu_Submit_url'); //这里换成你的域名
$WEB_TOKEN = dahuzi('Baidu_Submit_token'); //这里换成你的网站的百度主动推送的token值
//已成功推送的文章不再推送
if(get_post_meta($post_ID,'Baidusubmit',true) == 1) return;
$url = get_permalink($post_ID);
$api = 'http://data.zz.baidu.com/urls?site='.$WEB_SITE.'&token='.$WEB_TOKEN;
$ch = curl_init();
$options = array(
CURLOPT_URL => $api,
CURLOPT_POST => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_POSTFIELDS => $url,
CURLOPT_HTTPHEADER => array('Content-Type: text/plain'),
);
curl_setopt_array($ch, $options);
$result = json_decode(curl_exec($ch),true);
//如果推送成功则在文章新增自定义栏目Baidusubmit，值为1
if (array_key_exists('success',$result)) {
add_post_meta($post_ID, 'Baidusubmit', 1, true);
}
}
}
add_action('publish_post', 'XinTheme_Baidu_Submit', 0);
}
//关键词自动内链
add_filter( 'the_content', 'xintheme_auto_keyword_link', 10 );
function xintheme_auto_keyword_link( $content ){
$content = xintheme_tag_link( $content );
$content = xintheme_keyword_link( $content );
return $content;
}
//添加自定义关键词链接
function xintheme_keyword_link( $content ){
$xintheme_auto_keyword = dahuzi('xintheme_auto_keyword');
if ( dahuzi( 'xintheme_auto_key_url' ) && is_array($xintheme_auto_keyword) ){
foreach ( $xintheme_auto_keyword as $value ){
if( !$value['auto_keyword_link'] ) continue;
$keyword = $value['auto_keyword_key'];
$auto_keyword_link = $value['auto_keyword_link'];
$auto_keyword_title = $value['auto_keyword_title'];
//如果链接是当前页面,则跳过.
$http_type = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 'https://' : 'http://';
$recent_url = $http_type . $_SERVER['SERVER_NAME'] . $_SERVER["REQUEST_URI"];
$_url = explode(', ', $auto_keyword_link);
if ($_url && $_url[0] && $_url[0] == $recent_url) continue;
//跳过页面
if (is_page()) continue;
$cleankeyword = stripslashes($keyword);
$url = '<span class="xintheme_keyword_link">';
$url .= '<a href="'.$auto_keyword_link.'" target="_blank" title="'.esc_attr( $auto_keyword_title ? $auto_keyword_title : $keyword ).'"';
$url .= '>' . addcslashes($cleankeyword, '$') . '</a>';
$url .= '</span>';
$limit = 1;//rand(1, 3);
$case = "";
$zh_CN = "1";
// we don't want to link the keyword if it is already linked.
$ex_word = preg_quote($cleankeyword, '\'');
//ignore pre
if ($pre_num = preg_match_all("/<pre.*?>.*?<\/pre>/is", $content, $ignore_pre))
for ($i = 1; $i <= $pre_num; $i++)
$content = preg_replace("/<pre.*?>.*?<\/pre>/is", "%ignore_pre_$i%", $content, 1);
$content = preg_replace('|(<img)([^>]*)(' . $ex_word . ')([^>]*)(>)|U', '$1$2%&&&&&%$4$5', $content);
// For keywords with quotes (') to work, we need to disable word boundary matching
$cleankeyword = preg_quote($cleankeyword, '\'');
if ($zh_CN) {
$regEx = '\'(?!((<.*?)|(<a.*?)))(' . $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
} elseif (strpos($cleankeyword, '\'') > 0) {
$regEx = '\'(?!((<.*?)|(<a.*?)))(' . $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
} else {
$regEx = '\'(?!((<.*?)|(<a.*?)))(\b' . $cleankeyword . '\b)(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
}
$content = preg_replace($regEx, $url, $content, $limit);
//change our '%&&&&&%' things to $cleankeyword.
$content = str_replace('%&&&&&%', stripslashes($ex_word), $content);
//ignore pre
if ($ignore_pre) {
for ($i = 1; $i <= $pre_num; $i++) {
$content = str_replace("%ignore_pre_$i%", $ignore_pre[0][$i - 1], $content);
}
}
}
}
return $content;
}
//自定义标签内链
function xintheme_tag_link( $content ){
if( dahuzi('auto_tag_link') ) {
$posttags = get_the_tags();
if ($posttags) {
usort($posttags, "xintheme_sort_by_len");
foreach ($posttags as $tag) {
$link = get_tag_link($tag->term_id);
$keyword = $tag->name;
//如果链接是当前页面,则跳过.
$http_type = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ? 'https://' : 'http://';
$recent_url = $http_type . $_SERVER['SERVER_NAME'] . $_SERVER["REQUEST_URI"];
if ($link == $recent_url) continue;
//跳过页面
if (is_page()) continue;
$cleankeyword = stripslashes($keyword);
$url = '<span class="xintheme_tag_link">';
$url .= '<a href="'.$link.'" title="' . str_replace('%s', addcslashes($cleankeyword, '$'), '%s') . '"';
$url .= ' target="_blank"';
$url .= '>' . addcslashes($cleankeyword, '$') . '</a>';
$url .= '</span>';
$limit = 1;//rand(1, 3);
$case = "";
$zh_CN = "1";
// we don't want to link the keyword if it is already linked.
$ex_word = preg_quote($cleankeyword, '\'');
//ignore pre
if ($pre_num = preg_match_all("/<pre.*?>.*?<\/pre>/is", $content, $ignore_pre))
for ($i = 1; $i <= $pre_num; $i++)
$content = preg_replace("/<pre.*?>.*?<\/pre>/is", "%ignore_pre_$i%", $content, 1);
$content = preg_replace('|(<img)([^>]*)(' . $ex_word . ')([^>]*)(>)|U', '$1$2%&&&&&%$4$5', $content);
// For keywords with quotes (') to work, we need to disable word boundary matching
$cleankeyword = preg_quote($cleankeyword, '\'');
if ($zh_CN) {
$regEx = '\'(?!((<.*?)|(<a.*?)))(' . $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
} elseif (strpos($cleankeyword, '\'') > 0) {
$regEx = '\'(?!((<.*?)|(<a.*?)))(' . $cleankeyword . ')(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
} else {
$regEx = '\'(?!((<.*?)|(<a.*?)))(\b' . $cleankeyword . '\b)(?!(([^<>]*?)>)|([^>]*?</a>))\'s' . $case;
}
$content = preg_replace($regEx, $url, $content, $limit);
//change our '%&&&&&%' things to $cleankeyword.
$content = str_replace('%&&&&&%', stripslashes($ex_word), $content);
//ignore pre
if ($ignore_pre) {
for ($i = 1; $i <= $pre_num; $i++) {
$content = str_replace("%ignore_pre_$i%", $ignore_pre[0][$i - 1], $content);
}
}
}
}
}
return $content;
}
function xintheme_sort_by_len($a, $b){
if ( $a->name == $b->name ) return 0;
return ( strlen($a->name) > strlen($b->name) ) ? -1 : 1;
}