File: /www/wwwroot/www.sceybwg.com/wp-content/themes/Modular/public/utils.php
<?php
/**
* @Author: 大胡子
* @Email: dahuzi@xintheme.com
* @Link: www.xintheme.com
* @Date: 2022-09-25 17:02:34
* @Last Modified by: dahuzi
* @Last Modified time: 2024-11-12 14:31:51
*/
/** --------------------------------------------------------------------------------- *
* 通过图片链接获取alt标签
* --------------------------------------------------------------------------------- */
function dahuzi_get_image_alt($image_url) {
// 移除查询参数
$parsed_url = parse_url($image_url);
if (empty($parsed_url)) {
return '';
}
// 检查并组装没有查询参数的URL
$url_without_query = '';
if (isset($parsed_url['scheme'])) {
$url_without_query .= $parsed_url['scheme'] . '://';
}
if (isset($parsed_url['host'])) {
$url_without_query .= $parsed_url['host'];
}
if (isset($parsed_url['path'])) {
$url_without_query .= $parsed_url['path'];
}
// 如果组装后的URL为空，返回空字符串
if (empty($url_without_query)) {
return '';
}
// 获取图片ID
$image_id = attachment_url_to_postid($url_without_query);
// 获取图片的alt属性
$image_alt = get_post_meta($image_id, '_wp_attachment_image_alt', true);
return $image_alt;
}
/**
* 获取文件大小（支持本地/远程 URL），带缓存
*
* @param string $url 文件链接
* @param int $cache_time 缓存时间（秒），默认 12 小时
* @return string 文件大小（格式化），或“未知”
*/
function xintheme_get_file_size( $url, $cache_time = 43200 ) {
if ( empty( $url ) ) {
return __( '未知', 'modular_theme' );
}
// 缓存键（防止 URL 过长）
$cache_key = 'xintheme_file_size_' . md5( $url );
// 尝试读取缓存
$cached = get_transient( $cache_key );
if ( $cached !== false ) {
return $cached;
}
$site_url = site_url();
$file_size = false;
// 判断是否为本站文件
if ( strpos( $url, $site_url ) === 0 ) {
$relative_path = str_replace( $site_url, ABSPATH, $url );
if ( file_exists( $relative_path ) ) {
$file_size = filesize( $relative_path );
}
}
// 否则尝试远程文件（HEAD 请求）
if ( ! $file_size ) {
$response = wp_remote_head( $url );
if ( ! is_wp_error( $response ) ) {
$content_length = wp_remote_retrieve_header( $response, 'content-length' );
if ( $content_length ) {
$file_size = (int) $content_length;
}
}
}
// 格式化结果
if ( $file_size ) {
$formatted_size = size_format( $file_size, 2 );
// 缓存结果
set_transient( $cache_key, $formatted_size, $cache_time );
return $formatted_size;
}
// 未能获取则缓存“未知”，防止频繁请求
$unknown_text = __( '未知', 'xintheme' );
set_transient( $cache_key, $unknown_text, $cache_time );
return $unknown_text;
}
/** --------------------------------------------------------------------------------- *
* 为指定来源的 iframe 标签添加包裹 div
* --------------------------------------------------------------------------------- */
function dahuzi_specific_iframe_with_div($content) {
// 使用正则表达式在内容中查找特定来源的 iframe 标签
$pattern = '/<iframe.*?<\/iframe>/';
preg_match_all($pattern, $content, $matches);
// 遍历所有匹配到的 iframe 标签
foreach ($matches[0] as $iframe) {
// 判断 iframe 的来源是否是腾讯视频、Bilibili 或 YouTube
if (strpos($iframe, 'v.qq.com') !== false || strpos($iframe, 'bilibili.com') !== false || strpos($iframe, 'youtube.com') !== false) {
// 在 iframe 标签外包裹一个 div
$wrapped_iframe = '<div class="video-iframe-wrapper">' . $iframe . '</div>';
// 用包裹后的 iframe 替换原始的 iframe 标签
$content = str_replace($iframe, $wrapped_iframe, $content);
}
}
return $content;
}
add_filter('the_content', 'dahuzi_specific_iframe_with_div');
/** --------------------------------------------------------------------------------- *
* 文章发布时间
* --------------------------------------------------------------------------------- */
function dahuzi_post_time() {
$date_format = get_option( 'date_format' );
$time_format = get_option( 'time_format' );
return get_the_date( "{$date_format} {$time_format}" );
}
/** --------------------------------------------------------------------------------- *
* 面包屑导航
* --------------------------------------------------------------------------------- */
function get_breadcrumbs() {
global $wp_query;
echo '<div class="breadcrumb">';
echo '<i class="ri-map-pin-fill"></i> ';
echo '<strong>'.__( '当前位置：', 'modular_theme' ).'</strong>';
echo '<a href="'. get_option('home') .'">'.__( '首页', 'modular_theme' ).'</a>';
if ( is_category() ) {
$catTitle = single_cat_title( "", false );
$cat = get_cat_ID( $catTitle );
echo '<i class="ri-arrow-right-s-line"></i>'.get_category_parents( $cat, TRUE, '<i class="ri-arrow-right-s-line"></i>' );
}
elseif ( is_tag() ) {
echo '<i class="ri-arrow-right-s-line"></i>'.single_tag_title('', false).'<i class="ri-arrow-right-s-line"></i>';
}
elseif ( is_post_type_archive('faq') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '常见问题', 'modular_theme' );
}
elseif ( is_post_type_archive('download') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '下载', 'modular_theme' );
}
elseif ( is_post_type_archive('team') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '团队', 'modular_theme' );
}
elseif ( is_tax('faq_type') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '常见问题', 'modular_theme' );
}
elseif ( is_tax('download_type') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '下载', 'modular_theme' );
}
elseif ( is_singular('faq') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '常见问题', 'modular_theme' );
}
elseif ( is_singular('download') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '下载', 'modular_theme' );
}
elseif ( is_singular('team') ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.__( '团队', 'modular_theme' );
}
elseif ( is_search() ) {
echo ' <span>»</span> '.sprintf( __('【%s】的搜索结果', 'modular_theme'), get_search_query() );
//echo '<i class="ri-arrow-right-s-line"></i>'.sprintf( __('Search for: %s', 'dahuzi_theme'), get_search_query() ).'';
}
elseif ( is_archive() && !is_category() ) {
echo '<i class="ri-arrow-right-s-line" style="display:inline-block"></i>'.single_term_title('', false).'<i class="ri-arrow-right-s-line"></i>';
}
elseif ( is_single() ) {
$category = get_the_category();
if($category){
$category_id = get_cat_ID( $category[0]->cat_name );
echo '<i class="ri-arrow-right-s-line"></i>'. get_category_parents( $category_id, TRUE, '<i class="ri-arrow-right-s-line"></i>' );
echo '<span>'.get_the_title().'</span>';
}
}
elseif ( is_page() ) {
$post = $wp_query->get_queried_object();
if ( $post->post_parent == 0 ){
echo '<i class="ri-arrow-right-s-line"></i><span>'.the_title('','', FALSE).'</span>';
} else {
$ancestors = array_reverse( get_post_ancestors( $post->ID ) );
array_push($ancestors, $post->ID);
foreach ( $ancestors as $ancestor ){
if( $ancestor != end($ancestors) ){
echo '<i class="ri-arrow-right-s-line"></i><a href="'. get_permalink($ancestor) .'">'. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'</a>';
} else {
echo '<i class="ri-arrow-right-s-line"></i><span>'. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'</span>';
}
}
}
}
echo "</div>";
}
/** --------------------------------------------------------------------------------- *
* 分页
* --------------------------------------------------------------------------------- */
function dahuzi_theme_pagination() {
$p = 2;
if ( is_singular() ) return;
global $wp_query, $paged;
$max_page = $wp_query->max_num_pages;
if ( $max_page == 0 || $max_page == 1 ) return;
echo '<div class="theme-pagination"><ul>';
if ( empty( $paged ) ) $paged = 1;
echo '<li class="prev-page">';
previous_posts_link(__('上一页', 'modular_theme'));
echo '</li>';
if ( $paged > $p + 1 ) dahuzi_pagination_link( 1, '<li>'.__('第一页', 'modular_theme').'</li>' );
if ( $paged > $p + 2 ) echo "<li><span>···</span></li>";
for( $i = $paged - $p; $i <= $paged + $p; $i++ ) {
if ( $i > 0 && $i <= $max_page ) $i == $paged ? print "<li class=\"active\"><span>{$i}</span></li>" : dahuzi_pagination_link( $i );
}
if ( $paged < $max_page - $p - 1 ) echo "<li><span>···</span></li>";
echo '<li class="next-page">';
next_posts_link(__('下一页', 'modular_theme'));
echo '</li>';
echo '<li><span>' . sprintf(__('共 %d 页', 'modular_theme'), $max_page) . '</span></li>';
echo '</ul></div>';
}
function dahuzi_pagination_link( $i, $title = '' ) {
if ( $title == '' ) $title = "第 {$i} 页";
echo "<li><a href='", esc_html( get_pagenum_link( $i ) ), "'>{$i}</a></li>";
}
/** --------------------------------------------------------------------------------- *
* 自定义摘要字数以及省略号
* --------------------------------------------------------------------------------- */
//dahuzi_excerpt( 120, '...' );
function dahuzi_excerpt( $length, $more = '…', $echo = true ){
static $excerpt_length, $excerpt_more;
$current_filter = current_filter();
if( $current_filter == 'excerpt_length' ) return $excerpt_length;
if( $current_filter == 'excerpt_more' ) return $excerpt_more;
$excerpt_length = $length;
$excerpt_more = $more;
$callable = __FUNCTION__;
add_filter( 'excerpt_length', $callable, 18 );
add_filter( 'excerpt_more', $callable, 18 );
$excerpt = $echo ? the_excerpt() : get_the_excerpt();
remove_filter( 'excerpt_length', $callable, 18 );
remove_filter( 'excerpt_more', $callable, 18 );
unset( $excerpt_length, $excerpt_more );
return $excerpt;
}
/** --------------------------------------------------------------------------------- *
* 侧栏显示位置
* --------------------------------------------------------------------------------- */
function get_theme_sidebar_class() {
$theme_sidebar = wpjam_theme_get_setting('theme_sidebar') ?: 'left';
return 'sidebar-' . $theme_sidebar;
}
/** --------------------------------------------------------------------------------- *
* 登录界面美化
* --------------------------------------------------------------------------------- */
if( wpjam_theme_get_setting('login_style') ){
include_once TEMPLATEPATH.'/public/login-style.php';
}
/** --------------------------------------------------------------------------------- *
* 文章分享
* --------------------------------------------------------------------------------- */
function dahuzi_post_share() {
//分享开关
$post_share = wpjam_theme_get_setting('post_share');
if (empty($post_share)) {
return;
}
//分享平台
$platforms = wpjam_theme_get_setting('share_platforms');
//按钮样式
$style_key = wpjam_theme_get_setting('share_style');
//按钮风格
$variant_key = wpjam_theme_get_setting('share_variant');
$title = wp_strip_all_tags( get_the_title() );
$url = rawurlencode( esc_url( esc_attr( get_the_permalink() ) ) );
$pin_img = has_post_thumbnail() ? wp_get_attachment_image_src( get_post_thumbnail_id(), 'full' ) : '';
$pin_img = isset( $pin_img[0] ) ? $pin_img[0] : '';
$share = array();
//国内平台
$share['wechat'] = '<a data-fancybox href="#sharer-wechat" class="post-share-item socicon-wechat prevent-share-popup"><span>'.__( '微信', 'modular_theme' ).'</span></a>';
$share['wechat'] .= '<div id="sharer-wechat" style="display:none;" data-url="'.get_the_permalink().'"><p><i class="ri-qr-scan-line"></i>'.__( '微信扫一扫', 'modular_theme' ).'</p></div>';
$share['weibo'] = '<a href="#" class="post-share-item socicon-weibo" data-url="https://service.weibo.com/share/share.php?url=' . $url . '&title=' . $title . '&pic=' . urlencode( esc_attr( $pin_img ) ) . '"><span>'.__( '微博', 'modular_theme' ).'</span></a>';
//复制链接
$copy_settings = wp_json_encode([
'id' => 'sharer-link',
'copy' => get_the_permalink(),
'copy_tip' => '【'.get_the_permalink().'】'.__('复制成功', 'modular_theme'),
'open_wechat' => '',
]);
// 将 JSON 数据转义为 HTML 属性
$copy_settings = esc_attr($copy_settings);
$share['copy'] = '<a href="javaScript:;" id="sharer-link" class="post-share-item ri-file-copy-2-fill prevent-share-popup copy-btn" data-clipboard-text="'.get_the_permalink().'" data-settings="'.$copy_settings.'"><span>'.__( '复制链接', 'modular_theme' ).'</span></a>';
//国外平台
$share['facebook'] = '<a href="#" class="post-share-item socicon-facebook" data-url="http://www.facebook.com/sharer/sharer.php?u=' . $url . '&t=' . $title . '"><span>'.__( 'Facebook', 'modular_theme' ).'</span></a>';
$share['twitter'] = '<a href="#" class="post-share-item socicon-twitter" data-url="http://twitter.com/intent/tweet?url=' . $url . '&text=' . $title . '"><span>'.__( 'X', 'modular_theme' ).'</span></a>';
$share['googleplus'] = '<a href="#" class="post-share-item socicon-googleplus" data-url="https://plus.google.com/share?url=' . $url . '"><span>'.__( 'Google+', 'modular_theme' ).'</span></a>';
$share['pinterest'] = '<a href="#" class="post-share-item socicon-pinterest" data-url="http://pinterest.com/pin/create/button/?url=' . $url . '&media=' . urlencode( esc_attr( $pin_img ) ) . '&description=' . $title . '"><span>'.__( 'Pinterest', 'modular_theme' ).'</span></a>';
$share['linkedin'] = '<a href="#" class="post-share-item socicon-linkedin" data-url="https://www.linkedin.com/cws/share?url=' . $url . '"><span>'.__( 'LinkedIn', 'modular_theme' ).'</span></a>';
$share['reddit'] = '<a href="#" class="post-share-item socicon-reddit" data-url="http://www.reddit.com/submit?url=' . $url . '&title=' . $title . '"><span>'.__( 'Reddit', 'modular_theme' ).'</span></a>';
$share['email'] = '<a rel="nofollow" target="_blank" href="mailto:?subject=' . $title . '&body=' . $url . '" class="post-share-item socicon-mail prevent-share-popup"><span>'.__( 'Email', 'modular_theme' ).'</span></a>';
$share['stumbleupon'] = '<a href="#" class="post-share-item socicon-stumbleupon" data-url="http://www.stumbleupon.com/badge?url=' . $url . '&title=' . $title . '"><span>'.__( 'StumbleUpon', 'modular_theme' ).'</span></a>';
$share['vk'] = '<a href="#" class="post-share-item socicon-vkontakte" data-url="http://vk.com/share.php?url='.$url.'&title='.$title.'"><span>'.__( 'vKontakte', 'modular_theme' ).'</span></a>';
$share['whatsapp'] = '<a rel="nofollow" target="_blank" href="https://api.whatsapp.com/send?text='.$title.' '.$url.'" class="post-share-item socicon-whatsapp prevent-share-popup"><span>'.__( 'WhatsApp', 'modular_theme' ).'</span></a>';
$share_platforms = '';
foreach ( $platforms as $social ) {
$platform_title = $social['platforms_title'];
// 检查 $platform_title 是否存在于 $share 数组中
if ( array_key_exists( $platform_title, $share ) ) {
$share_platforms .= $share[$platform_title];
}
}
// 定义样式和风格的映射关系
$styles = array(
'style' => array(
'1' => 'rectangle no-labels',
'2' => 'rounded no-labels',
'3' => 'circle no-labels',
'4' => 'square no-labels',
'5' => 'transparent no-labels',
'6' => 'rectangle',
'7' => 'rounded',
'8' => 'transparent'
),
'variant' => array(
'1' => 'solid',
'2' => 'outline'
)
);
// 根据 key 获取对应的样式和风格
$style = $styles['style'][$style_key] ?? '';
$variant = $styles['variant'][$variant_key] ?? '';
//模块标题
$share_text = wpjam_theme_get_setting('share_title');
$share_title = '<div class="share-title"><h3>' . __($share_text, 'modular_theme') . '</h3></div>';
$title_html = !empty($share_text) ? $share_title : '';
// 构建输出的 HTML
$before = '<div class="post-share layout-'.esc_attr($style_key).'-'.esc_attr($variant_key).' '.esc_attr($style).' '.esc_attr($variant).'">';
$after = '</div>';
return $before . $title_html . $share_platforms . $after;
}
// 全站启用 WebP 替换（前台生效）
add_action('wp_loaded', function () {
if ( is_admin() ) return; // 后台不替换
ob_start('xintheme_webp_replace');
});
function xintheme_webp_replace($html) {
// 指定要替换的扩展名
$exts = ['jpg', 'jpeg', 'png'];
// 生成正则：匹配所有图片，无论是否带参数
$ext_regex = implode('|', $exts);
/**
* 说明：
* 1. ([^"\'\s]+\.(jpg|jpeg|png)) 捕获整个原始文件名（包括目录）
* 2. (\?[^"\'\s]*)? 捕获可选的 URL 参数（如 ?orientation=...）
*/
$regex = '/([^"\'>\s]+\.(?:'.$ext_regex.'))(\?[^"\'>\s]*)?/i';
$html = preg_replace_callback($regex, function($match){
$original = $match[1]; // 原始图片路径
$params = isset($match[2]) ? $match[2] : ''; // 参数（可能为空）
// 替换扩展名为 webp
$webp = preg_replace('/\.(jpg|jpeg|png)$/i', '.webp', $original);
// 检查 webp 文件是否真实存在（提高安全性）
$path = ABSPATH . str_replace(home_url('/'), '', $webp);
if ( file_exists($path) ) {
return $webp . $params;
}
// 如果 webp 不存在，则使用原图
return $original . $params;
}, $html);
return $html;
}