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<?php
/*
* SITESEO
* https://siteseo.io
* (c) SiteSEO Team
*/
namespace SiteSEO;
if(!defined('ABSPATH')){
die('HACKING ATTEMPT!');
}
class TitlesMetas{
static function advanced_metas($robots){
global $siteseo, $post;
$disable_noindex = !empty($siteseo->advanced_settings['appearance_adminbar_noindex']) ?? '';
if(empty($siteseo->setting_enabled['toggle-titles']) || !empty($disable_noindex)){
return $robots;
}
$settings = $siteseo->titles_settings;
//all post types and taxonomies
$post_types = siteseo_post_types();
$taxonomies = get_taxonomies(array('public' => true), 'objects');
$post_id = isset($post) && is_object($post) ? $post->ID : 0;
$index_extras = [
'max-snippet' => '-1',
'max-image-preview' => 'large',
'max-video-preview' => '-1'
];
$robots = [
'noindex' => !empty($settings['titles_noindex']),
'nofollow' => !empty($settings['titles_nofollow']),
'nosnippet' => !empty($settings['titles_nosnippet']),
'noarchive' => !empty($settings['titles_noarchive']),
'noimageindex' => !empty($settings['titles_noimageindex'])
];
// taxonomies
$term_id = 0;
if(is_tax() || is_category() || is_tag()){
$queried_object = get_queried_object();
$term_id = $queried_object->term_id ?? 0;
if($term_id) {
$robots['noindex'] = !empty(get_term_meta($term_id, '_siteseo_robots_index', true)) || $robots['noindex'];
$robots['nofollow'] = !empty(get_term_meta($term_id, '_siteseo_robots_follow', true)) || $robots['nofollow'];
$robots['nosnippet'] = !empty(get_term_meta($term_id, '_siteseo_robots_snippet', true)) || $robots['nosnippet'];
$robots['noarchive'] = !empty(get_term_meta($term_id, '_siteseo_robots_archive', true)) || $robots['noarchive'];
$robots['noimageindex'] = !empty(get_term_meta($term_id, '_siteseo_robots_imageindex', true)) || $robots['noimageindex'];
}
if(!$robots['noindex']){
$robots['index'] = true;
$robots = array_merge($robots, $index_extras);
}
if(!$robots['nofollow']){
$robots['follow'] = true;
}
return array_filter($robots);
}
// single post types
foreach($post_types as $post_type){
if(is_singular($post_type->name)){
if($post_id) {
$robots['noindex'] = !empty(get_post_meta($post_id, '_siteseo_robots_index', true)) || $robots['noindex'];
$robots['nofollow'] = !empty(get_post_meta($post_id, '_siteseo_robots_follow', true)) || $robots['nofollow'];
$robots['nosnippet'] = !empty(get_post_meta($post_id, '_siteseo_robots_snippet', true)) || $robots['nosnippet'];
$robots['noarchive'] = !empty(get_post_meta($post_id, '_siteseo_robots_archive', true)) || $robots['noarchive'];
$robots['noimageindex'] = !empty(get_post_meta($post_id, '_siteseo_robots_imageindex', true)) || $robots['noimageindex'];
}
if(!$robots['noindex']){
$robots['index'] = true;
$robots = array_merge($robots, $index_extras);
}
if(!$robots['nofollow']){
$robots['follow'] = true;
}
return array_filter($robots);
}
}
//archive pages
if(is_author()){
$robots['noindex'] = !empty($settings['titles_archives_author_noindex']);
if(!$robots['noindex']){
$robots['index'] = true;
$robots = array_merge($robots, $index_extras);
}
}
if(is_date()){
$robots['noindex'] = !empty($settings['titles_archives_date_noindex']);
if(!$robots['noindex']){
$robots['index'] = true;
$robots = array_merge($robots, $index_extras);
}
}
if(is_search()){
$robots['noindex'] = !empty($settings['titles_archives_search_title_noindex']);
if(!$robots['noindex']){
$robots['index'] = true;
$robots = array_merge($robots, $index_extras);
}
}
// front page
if(is_front_page()){
$robots = [
'index' => true,
'follow' => true
];
if(!empty($settings['titles_noindex'])){
$robots['noindex'] = true;
unset($robots['index']);
}
if(!empty($settings['titles_nofollow'])){
$robots['nofollow'] = true;
unset($robots['follow']);
}
if(!empty($settings['titles_nosnippet'])){
$robots['nosnippet'] = true;
}
if(!empty($settings['titles_noarchive'])){
$robots['noarchive'] = true;
}
if(!empty($settings['titles_noimageindex'])){
$robots['noimageindex'] = true;
}
$robots = array_merge($robots, $index_extras);
}
return array_filter($robots);
}
static function add_nositelinkssearchbox(){
global $siteseo;
if(empty($siteseo->setting_enabled['toggle-titles'])){
return;
}
if(!empty($siteseo->titles_settings['titles_nositelinkssearchbox'])){
echo '<meta name="google" content="nositelinkssearchbox" >';
}
}
static function add_canonical_url(){
$post_types = siteseo_post_types();
foreach($post_types as $post_type){
if(is_singular($post_type->name)){
$post_id = get_the_ID();
$canonical_meta = get_post_meta($post_id, '_siteseo_robots_canonical', true);
$canonical = !empty($canonical_meta) ? $canonical_meta : get_permalink($post_id);
if($canonical){
echo '<link rel="canonical" href="'.esc_url($canonical).'" />' . "\n";
}
}
}
//taxonomies
$taxonomies = get_taxonomies(array('public' => true), 'objects');
if(is_tag() || is_category() || is_tax()){
$term = get_queried_object();
if($term && isset($term->term_id, $term->taxonomy)){
$term_id = $term->term_id;
$taxonomy_name = $term->taxonomy;
$canonical_meta = get_term_meta($term_id, '_siteseo_robots_canonical', true);
$canonical = !empty($canonical_meta) ? $canonical_meta : get_term_link($term_id, $taxonomy_name);
if($canonical){
echo '<link rel="canonical" href="'.esc_url($canonical).'" />' . "\n";
}
}
}
if(is_home()){
$canonical = trailingslashit(home_url());
echo '<link rel="canonical" href="'.esc_url($canonical).'" />' . "\n";
}
}
static function replace_variables($content, $in_editor = false){
global $post, $siteseo, $wp_query, $term;
// Site info
$site_title = get_bloginfo('name');
$site_tagline = get_bloginfo('description');
$site_sep = $siteseo->titles_settings['titles_sep'];
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$page = get_query_var('page') ? get_query_var('page') : 1;
// Date info
$current_time = current_time('timestamp');
$archive_date = get_the_date('d');
$archive_month = get_the_date('M');
$archive_month_name = get_the_date('F');
$archive_year = get_the_date('Y');
// Author
$author_id = isset($post->post_author) ? $post->post_author : get_current_user_id();
$author_first_name = get_the_author_meta('first_name', $author_id);
$author_last_name = get_the_author_meta('last_name', $author_id);
$author_website = get_the_author_meta('url', $author_id);
$author_nickname = get_the_author_meta('nickname', $author_id);
$author_bio = get_the_author_meta('description', $author_id);
// WooCommerce
$wc_variables = [];
if(function_exists('wc_get_product') && is_singular('product')){
$product = wc_get_product($post->ID);
if($product){
$wc_variables = array(
'%%wc_single_cat%%' => wp_strip_all_tags(wc_get_product_category_list($post->ID)),
'%%wc_single_tag%%' => wp_strip_all_tags(wc_get_product_tag_list($post->ID)),
'%%wc_single_short_desc%%' => $product->get_short_description(),
'%%wc_single_price%%' => $product->get_price(),
'%%wc_single_price_exe_tax%%' => wc_get_price_excluding_tax($product),
'%%wc_sku%%' => $product->get_sku()
);
}
}
$replacements = array(
'%%sep%%' => $site_sep,
'%%sitetitle%%' => $site_title,
'%%tagline%%' => $site_tagline,
'%%post_title%%' => (is_singular() || $in_editor === TRUE) ? get_the_title() : '',
'%%post_excerpt%%' => (is_singular() || $in_editor === TRUE) ? get_the_excerpt() : '',
'%%post_content%%' => (is_singular() || $in_editor === TRUE) ? wp_strip_all_tags(get_the_content()) : '',
'%%post_thumbnail_url%%' => get_the_post_thumbnail_url($post),
'%%post_url%%' => get_permalink(),
'%%post_date%%' => get_the_date(),
'%%post_modified_date%%' => get_the_modified_date(),
'%%post_author%%' => get_the_author(),
'%%post_category%%' => wp_strip_all_tags(get_the_category_list(', ')),
'%%post_tag%%' => wp_strip_all_tags(get_the_tag_list('', ', ', '')),
'%%_category_title%%' => single_cat_title('', false),
'%%_category_description%%' => category_description(),
'%%tag_title%%' => single_tag_title('', false),
'%%tag_description%%' => tag_description(),
'%%term_title%%' => single_term_title('', false),
'%%term_description%%' => term_description(),
'%%search_keywords%%' => get_search_query(),
'%%current_pagination%%' => $paged,
'%%page%%' => $page,
'%%cpt_plural%%' => post_type_archive_title('', false),
'%%archive_title%%' => get_the_archive_title(),
'%%archive_date%%' => $archive_date,
'%%archive_date_day%%' => $archive_date,
'%%archive_date_month%%' => $archive_month,
'%%archive_date_month_name%%' => $archive_month_name,
'%%archive_date_year%%' => $archive_year,
'%%currentday%%' => date_i18n('j', $current_time),
'%%currentmonth%%' => date_i18n('F', $current_time),
'%%currentmonth_short%%' => date_i18n('M', $current_time),
'%%currentmonth_num%%' => date_i18n('n', $current_time),
'%%currentyear%%' => date_i18n('Y', $current_time),
'%%currentdate%%' => date_i18n(get_option('date_format'), $current_time),
'%%currenttime%%' => date_i18n(get_option('time_format'), $current_time),
'%%author_first_name%%' => $author_first_name,
'%%author_last_name%%' => $author_last_name,
'%%author_website%%' => $author_website,
'%%author_nickname%%' => $author_nickname,
'%%author_bio%%' => $author_bio,
);
//WooCommerces
if(!empty($wc_variables)){
$replacements = array_merge($replacements, $wc_variables);
}
if(preg_match_all('/%%_cf_(.*?)%%/', $content, $matches)){
foreach ($matches[1] as $custom_field) {
$meta_value = get_post_meta($post->ID, $custom_field, true);
$replacements["%%_cf_{$custom_field}%%"] = $meta_value;
}
}
if(preg_match_all('/%%_ct_(.*?)%%/', $content, $matches)){
foreach($matches[1] as $taxonomy){
$terms = get_the_terms($post->ID, $taxonomy);
$term_names = is_array($terms) ? wp_list_pluck($terms, 'name') : [];
$replacements["%%_ct_{$taxonomy}%%"] = implode(', ', $term_names);
}
}
if(preg_match_all('/%%_ucf_(.*?)%%/', $content, $matches)){
foreach($matches[1] as $user_meta){
$meta_value = get_user_meta($author_id, $user_meta, true);
$replacements["%%_ucf_{$user_meta}%%"] = $meta_value;
}
}
$target_keywords = isset($siteseo->keywords_settings['tempory_set']) ? $siteseo->keywords_settings['tempory_set'] : '';
$replacements['%%target_keyword%%'] = $target_keywords;
$replacements = array_map(function($value){
if(is_array($value) || is_object($value)){
return '';
}
return is_null($value) ? '' : wp_strip_all_tags($value);
}, $replacements);
return str_replace(
array_keys($replacements),
array_values($replacements),
$content
);
}
static function modify_site_title($title, $sep = ''){
global $siteseo, $post;
// Check enabled
if(empty($siteseo->setting_enabled['toggle-titles'])){
return $title;
}
$settings = $siteseo->titles_settings;
// post types and taxonomies
$post_types = siteseo_post_types();
$taxonomies = get_taxonomies(array('public' => true), 'objects');
// Check set by meta
$post_id = isset($post) && is_object($post) ? $post->ID : '';
$post_meta_title = !empty(get_post_meta($post_id, '_siteseo_titles_title', true)) ? get_post_meta($post_id, '_siteseo_titles_title', true) : '';
// front page
if(is_front_page() && !empty($settings['titles_home_site_title'])){
$new_title = esc_attr(self::replace_variables($settings['titles_home_site_title']));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
// single post types
foreach($post_types as $post_type){
if(is_singular($post_type->name)){
$default_title = isset($settings['titles_single_titles'][$post_type->name]['title']) ? $settings['titles_single_titles'][$post_type->name]['title'] : '';
$new_title = !empty($post_meta_title) ? $post_meta_title : $default_title;
if(!empty($new_title)){
$new_title = esc_attr(self::replace_variables($new_title));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
}
}
//taxonomies
foreach($taxonomies as $taxonomy){
if(is_category()){
$term = get_queried_object();
$term_id = $term->term_id;
$term_meta_title = get_term_meta($term_id, '_siteseo_titles_title', true);
$default_title = isset($settings['titles_tax_titles']['category']['title']) ? $settings['titles_tax_titles']['category']['title'] : '';
$disabled = !empty($settings['titles_tax_titles']['category']['disabled']);
$new_title = !empty($term_meta_title) ? $term_meta_title : $default_title;
if(!empty($new_title) && !$disabled){
$new_title = esc_attr(self::replace_variables($new_title));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
} elseif(is_tag()) {
$term = get_queried_object();
$term_id = $term->term_id;
$term_meta_title = get_term_meta($term_id, '_siteseo_titles_title', true);
$default_title = isset($settings['titles_tax_titles']['post_tag']['title']) ? $settings['titles_tax_titles']['post_tag']['title'] : '';
$disabled = !empty($settings['titles_tax_titles']['post_tag']['disabled']);
$new_title = !empty($term_meta_title) ? $term_meta_title : $default_title;
if(!empty($new_title) && !$disabled){
$new_title = esc_attr(self::replace_variables($new_title));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
} elseif(is_tax($taxonomy->name)) {
$term = get_queried_object();
$term_id = $term->term_id;
$term_meta_title = get_term_meta($term_id, '_siteseo_titles_title', true);
$default_title = isset($settings['titles_tax_titles'][$taxonomy->name]['title']) ? $settings['titles_tax_titles'][$taxonomy->name]['title'] : '';
$disabled = !empty($settings['titles_tax_titles'][$taxonomy->name]['disabled']);
$new_title = !empty($term_meta_title) ? $term_meta_title : $default_title;
if(!empty($new_title) && !$disabled){
$new_title = esc_attr(self::replace_variables($new_title));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
}
}
// author archive
if(is_author() && !empty($settings['titles_archives_author_title']) && empty($settings['titles_archives_author_disable'])) {
$new_title = esc_attr(self::replace_variables($settings['titles_archives_author_title']));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
//Date archive
if(is_date() && !empty($settings['titles_archives_date_title']) && empty($settings['titles_archives_date_disable'])){
$new_title = esc_attr(self::replace_variables($settings['titles_archives_date_title']));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
// Search archive
if(is_search() && !empty($settings['titles_archives_search_title'])){
$new_title = esc_attr(self::replace_variables($settings['titles_archives_search_title']));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
// 404 archive
if(is_404() && !empty($settings['titles_archives_404_title'])){
$new_title = esc_attr(self::replace_variables($settings['titles_archives_404_title']));
if(!empty($sep)){
$new_title .= " $sep " . get_bloginfo('name');
}
return $new_title;
}
return $title;
}
static function add_meta_description(){
global $siteseo, $post;
if(empty($siteseo->setting_enabled['toggle-titles'])){
return;
}
$settings = $siteseo->titles_settings;
// Get all registered post types
$post_types = siteseo_post_types();
$taxonomies = get_taxonomies(array('public' => true), 'objects');
$post_id = isset($post) && is_object($post) ? $post->ID : '';
//front page
if(is_front_page()){
if(!empty($settings['titles_home_site_desc'])){
echo '<meta name="description" content="' . esc_attr(self::replace_variables($settings['titles_home_site_desc'])) . '">';
} else{
$description = get_bloginfo('description');
if(!empty($description)){
echo '<meta name="description" content="' . esc_attr($description) . '">';
}
}
}
// single post types
foreach($post_types as $post_type){
if(is_singular($post_type->name)){
$meta_desc = get_post_meta($post_id, '_siteseo_titles_desc', true);
$default_desc = isset($settings['titles_single_titles'][$post_type->name]['description']) ? $settings['titles_single_titles'][$post_type->name]['description'] : '';
$description = !empty($meta_desc) ? $meta_desc : $default_desc;
if(!empty($description)){
echo '<meta name="description" content="' . esc_attr(self::replace_variables($description)) . '">';
}
}
}
if(is_category() || is_tag() || is_tax()){
$term = get_queried_object();
if($term){
$term_id = $term->term_id;
$term_meta_desc = get_term_meta($term_id, '_siteseo_titles_desc', true);
$default_desc = '';
$taxonomy_name = '';
if(is_category()){
$default_desc = isset($settings['titles_tax_titles']['category']['description']) ? $settings['titles_tax_titles']['category']['description'] : '';
$taxonomy_name = 'category';
} elseif(is_tag()){
$default_desc = isset($settings['titles_tax_titles']['post_tag']['description']) ? $settings['titles_tax_titles']['post_tag']['description'] : '';
$taxonomy_name = 'post_tag';
} else{
$taxonomy_name = $term->taxonomy;
$default_desc = isset($settings['titles_tax_titles'][$taxonomy_name]['description']) ? $settings['titles_tax_titles'][$taxonomy_name]['description'] : '';
}
$disabled = isset($settings['titles_tax_titles'][$taxonomy_name]['disabled']);
$description = !empty($term_meta_desc) ? $term_meta_desc : $default_desc;
if(!empty($disabled)){
echo '<meta name="description" content="' . esc_attr(self::replace_variables($description)) . '">';
}
}
}
// Author archive
if(is_author() && !empty($settings['titles_archives_author_desc']) && empty($settings['titles_archives_author_disable'])){
echo '<meta name="description" content="'.esc_attr(self::replace_variables($settings['titles_archives_author_desc'])).'" >';
}
// Date archive
if(is_date() && !empty($settings['titles_archives_date_desc']) && empty($settings['titles_archives_date_disable'])){
echo '<meta name="description" content="'.esc_attr(self::replace_variables($settings['titles_archives_date_desc'])).'" >';
}
// Search archive
if(is_search() && !empty($settings['titles_archives_search_desc'])){
echo '<meta name="description" content="'.esc_attr(self::replace_variables($settings['titles_archives_search_desc'])).'" >';
}
// 404 archives
if(is_404() && !empty($settings['titles_archives_404_desc'])){
echo '<meta name="description" content="'.esc_attr(self::replace_variables($settings['titles_archives_404_desc'])).'" >';
}
}
static function add_rel_link_pages(){
global $siteseo, $paged;
if(empty($siteseo->setting_enabled['toggle-titles'])){
return;
}
if(!empty($siteseo->titles_settings['titles_paged_rel'])){
if(get_previous_posts_link()){
echo '<link rel="prev" href="'.esc_url(get_pagenum_link($paged - 1)).'" />';
}
if(get_next_posts_link()){
echo '<link rel="next" href="'.esc_url(get_pagenum_link($paged + 1)).'" />';
}
}
}
static function date_time_publish(){
global $siteseo;
if(empty($siteseo->setting_enabled['toggle-titles'])){
return;
}
if(!is_singular()){
return;
}
$current_post_type = get_post_type();
$type_settings = isset($siteseo->titles_settings['titles_single_titles'][$current_post_type]) ? $siteseo->titles_settings['titles_single_titles'][$current_post_type] : '';
// post type
if(!empty($type_settings['date'])){
$published_time = get_the_date('c');
$modified_time = get_the_modified_date('c');
echo '<meta property="article:published_time" content="'. esc_attr($published_time) .'">';
echo '<meta property="article:modified_time" content="'. esc_attr($modified_time) .'">';
}
// thumbnails
if(!empty($type_settings['thumb_gcs'])){
if(get_the_post_thumbnail_url(get_the_ID())){
echo '<meta name="thumbnail" content="'.esc_url(get_the_post_thumbnail_url(get_the_ID())).'">';
}
}
}
}