term_id);
$keyword = $tag->name;
$cleankeyword = stripslashes($keyword);
$url = ''.addcslashes($cleankeyword, '$').'';
$regEx = '\'(?!((<.*?)|(]*?)>)|([^>]*?))\'s';
$content = preg_replace($regEx, $url, $content, gdk_option('gdk_tag_num') ?? 5);
}
}
return $content;
}
add_filter('the_content', 'gdk_tag_link', 1);
}
// 自动添加nofloow
if(gdk_option('gdk_nofollow')){
add_filter('the_content', 'gdk_nofollow');
add_filter('the_excerpt', 'gdk_nofollow');
function gdk_nofollow($content)
{
return preg_replace_callback('/]+/', 'gdk_nofollow_callback', $content);
}
function gdk_nofollow_callback($matches)
{
$link = $matches[0];
$site_link = get_bloginfo('url');
if (strpos($link, 'rel') === false) {
$link = preg_replace("%(href=\S(?!$site_link))%i", 'rel="nofollow" $1', $link);
} elseif (preg_match("%href=\S(?!$site_link)%i", $link)) {
$link = preg_replace('/rel=\S(?!nofollow)\S*/i', 'rel="nofollow"', $link);
}
return $link;
}
}
if (isset($others_seo['baidu_submit']) && $others_seo['baidu_submit']) {
add_action('post_updated', 'nc_baidu_submit');
function nc_baidu_submit($post_ID)
{
global $post;
$bd_submit_site = get_bloginfo('url');
$bd_submit_token = $others_seo['baidu_submit_key'];
if (empty($post_ID) || empty($bd_submit_site) || empty($bd_submit_token)) {
return;
}
$api = 'http://data.zz.baidu.com/urls?site='.$bd_submit_site.'&token='.$bd_submit_token;
$status = $post->post_status;
if ($status != '' && $status != 'publish') {
$url = get_permalink($post_ID);
$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, $options);
}
}
function nc_baidu_auto_code(){
echo '';
}
}
add_action('wp_footer', 'nc_baidu_auto_code', 500);
if(gdk_option('gdk_seo_img')) {
//给文章图片自动添加alt和title信息
function nc_imagesalt($content) {
global $post;
$pattern ="//i";
$replacement = '';
$content = preg_replace($pattern, $replacement, $content);
return $content;
}
add_filter('the_content', 'nc_imagesalt');
function nc_image_alt_tag($content) {
global $post;
preg_match_all('/![]()
/', $content, $images);
if(!is_null($images)) {
foreach($images[1] as $index => $value) {
$new_img = str_replace('/', $content, $matches);
if ($matches && !is_page('about')) {
foreach ($matches[2] as $val) {
if (strpos($val, '://') !== false && strpos($val, home_url()) === false && !preg_match('/\\.(jpg|jpeg|png|ico|bmp|gif|tiff)/i', $val)) {
$content = str_replace("href=\"{$val}\"", "href=\"" . get_permalink(git_page_id('go')) . "?url={$val}\" ", $content);
}
}
}
return $content;
}
add_filter('the_content', 'git_go_url', 999);
//关键字
function deel_keywords() {
global $s, $post;
$keywords = '';
if (is_single()) {
if (get_the_tags($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);
} elseif (is_home()) {
//$keywords = git_get_option('git_keywords');
} elseif (is_tag()) {
$keywords = single_tag_title('', false);
} elseif (is_category()) {
$keywords = single_cat_title('', false);
} elseif (is_search()) {
$keywords = esc_html($s, 1);
} else {
$keywords = trim(wp_title('', false));
}
if ($keywords) {
echo "\n";
}
}
add_action('wp_head', 'deel_keywords');
//网站描述
function deel_description() {
global $s, $post;
$description = '';
$blog_name = get_bloginfo('name');
$iexcerpt = $post->post_excerpt;
if (is_singular()) {
if (!empty($iexcerpt)) {
$text = $iexcerpt;
} else {
$text = strip_shortcodes($post->post_content);
}
$description = trim(str_replace(array(
"\r\n",
"\r",
"\n",
" ",
" "
) , " ", str_replace("\"", "'", strip_tags($text))));
if (!($description)) $description = $blog_name . "-" . trim(wp_title('', false));
} elseif (is_home()) {
//$description = git_get_option('git_description'); // 首頁要自己加
} elseif (is_tag()) {
$description = $blog_name . "'" . single_tag_title('', false) . "'";
} elseif (is_category()) {
$description = trim(strip_tags(category_description()));
} elseif (is_archive()) {
$description = $blog_name . "'" . trim(wp_title('', false)) . "'";
} elseif (is_search()) {
$description = $blog_name . ": '" . esc_html($s, 1) . "' 的搜索結果";
} else {
$description = $blog_name . "'" . trim(wp_title('', false)) . "'";
}
$description = mb_substr($description, 0, 220, 'utf-8');
echo "\n";
}
add_action('wp_head', 'deel_description');
//图片img标签添加alt，title属性
function imagesalt($content){
global $post;
$pattern = "//i";
$replacement = '';
$content = preg_replace($pattern, $replacement, $content);
return $content;
}
add_filter('the_content', 'imagesalt');
//图片A标签添加title属性
function aimagesalt($content){
global $post;
$pattern = "//i";
$replacement = '';
$content = preg_replace($pattern, $replacement, $content);
return $content;
}
add_filter('the_content', 'aimagesalt');
//评论分页的seo处理
function canonical_for_git(){
global $post;
if (get_query_var('paged') > 1) {
echo "\n";
echo "\n";
echo "";
}
}
add_action('wp_head', 'canonical_for_git');