File: /www/sites/cbgdh_com/index/wp-content/themes/onenav/inc/functions/io-tool.php
<?php
/*
* @Author: iowen
* @Author URI: https://www.iowen.cn/
* @Date: 2022-07-04 21:26:44
* @LastEditors: iowen
* @LastEditTime: 2025-06-06 17:19:40
* @FilePath: /onenav/inc/functions/io-tool.php
* @Description:
*/
/**
* 是否为博客页
* @return bool
*/
function is_blog(){
return is_page_template('template-blog.php');
}
/**
* 是否为用户管理页
* @return bool
*/
function is_io_user(){
return get_query_var('is_user_route');
}
/**
* 是否为次级导航页
* @return bool
*/
function is_mininav(){
return is_page_template('template-mininav.php');
}
/**
* 是否为排行榜页
* @return bool
*/
function is_rankings(){
return is_page_template('template-rankings.php');
}
/**
* 是否为投稿页
* @return bool
*/
function is_contribute(){
return is_page_template('template-contribute.php');
}
/**
* 是否为登录页
* @return bool
*/
function is_io_login(){
return get_query_var('custom_action') === 'login' || is_login();
}
/**
* 是否为书签页
* @return bool
*/
function is_bookmark(){
return get_query_var('bookmark_id') ? true : false;
}
/**
* 是否为热榜页
* @return bool
*/
function is_hotnews(){
return get_query_var('custom_page') === 'hotnews';
}
/**
* 获取字符串的16位MD5（取中间16位）
*
* @param string $string 输入的字符串
* @return string 返回16位MD5值
*/
function md5_16($string) {
return substr(md5($string), 8, 16);
}
/**
* 获取字符串的8位MD5
*
* @param mixed $string 输入的字符串
* @return string
*/
function md5_8($string) {
return substr(md5($string), 8, 8);
}
/**
* 删除内容或者数组的两端空格
*
* @param array|string $input
* @return array|string
*/
function io_trim($input){
if (!is_array($input)) {
return trim($input);
}
return array_map('io_trim', $input);
}
/**
* is url
*
* @param mixed $url
* @return bool
*/
function io_is_url($url){
//if (preg_match("/^http[s]?:\/\/.*$/", $url)) {
if (false !== filter_var($url, FILTER_VALIDATE_URL)) {
return true;
} else {
return false;
}
}
/**
* 分割字符串为数组，支持空格、逗号（中英文）、换行符等多种分隔符
*
* @param string $input 需要处理的字符串
* @return array 分割后的数组
*/
function io_split_str($input) {
if (empty($input)) {
return array();
}
return preg_split('/[\s,，、]+/u', $input);//preg_split("/,|，|\s|\n/", $input);
}
/**
* 生成二维码
* @param mixed $text 内容
* @param mixed $size 尺寸
* @param mixed $margin 边距
* @param mixed $level 容错级别
* @return bool|string
*/
function io_get_qrcode($text, $size = 256, $margin = 10, $level = 'L', $cache = true){
if ($cache) {
$cache_key = 'qr_' . strtolower(substr(md5($text),8,16)) . $size . $margin . $level;
$_cache = wp_cache_get($cache_key);
if (false !== $_cache) {
return $_cache;
}
}
//引入phpqrcode类库
require_once get_theme_file_path('/inc/classes/phpqrcode.php');
ob_start();
QRcode::png($text, false, $level, $size, $margin);
$data = ob_get_contents();
ob_end_clean();
if ($cache) {
wp_cache_set($cache_key, $data);
}
return $data;
}
/**
* 获取二维码数据
*
* @param string $text
* @return string
*/
function io_get_qrcode_base64($text){
$imageString = base64_encode(io_get_qrcode($text, 256, 10, 'L', false));
header('Content-Type: application/json; charset=utf-8');
return 'data:image/jpeg;base64,' . $imageString;
}
/**
* 输出二维码图片
* @param mixed $text 内容
* @param mixed $size 尺寸
* @param mixed $margin 边距
* @param mixed $level 容错级别
* @return void
*/
function io_show_qrcode($text, $size = 256, $margin = 10, $level = 'L'){
$headers = array(
'X-Robots-Tag: noindex, nofollow',
'Content-type: image/png',
'cache-control: public, max-age=86400'
);
foreach ($headers as $header) {
header($header);
}
echo io_get_qrcode($text, $size, $margin, $level);
}
/**
* 获取时间
* @param string $format
* @param string $offset 日期偏移 如前一天 '-1day'
* @return string
*/
function io_get_time($format='', $offset=''){
$format = $format ?: 'Y-m-d H:i:s';
if($offset)
$time = date($format, strtotime($offset,current_time( 'timestamp' )));
else
$time = date($format, current_time('timestamp'));
return $time;
}
/**
* 文字计数
*
* @param string $str
* @param string $charset
* @return int
*/
function io_strlen($str, $charset = 'utf-8'){
//中文算一个，英文算半个
return mb_strlen($str, $charset);//(int) ((strlen($str) + mb_strlen($str, $charset)) / 4);
}
function set404(){
global $wp_query;
$wp_query->set_404();
status_header(404);
nocache_headers();
get_template_part('404');
exit();
}
/**
* 网址查重
*
* @param string $link
* @return bool
*/
function link_exists($link){
global $wpdb;
$link = str_replace(array('http://','https://'), '', $link);
if(!empty($link)){
$sql = "SELECT `post_id` FROM $wpdb->postmeta WHERE `meta_value` REGEXP '^http(s)?://{$link}(/)?$' AND `meta_key`='_sites_link'";
if($wpdb->get_row($sql)) {
return true;
}
}
return false;
}
/**
* 文章标题查重
*
* @param string $title
* @param string $type
* @return bool
*/
function title_exists($title, $type='sites'){
global $wpdb;
if(!empty($title)){
$sql = "SELECT `ID` FROM $wpdb->posts WHERE `post_status` IN ('pending','publish') AND `post_type` = '{$type}' AND `post_title` = '{$title}'";
if($wpdb->get_row($sql)) {
return true;
}
}
return false;
}
/**
* 将任意编码的字符串转换为 UTF-8
*
* @param string $string 要编码的字符串
* @param string $encoding 编码；默认值：ISO-8859-1
* @param bool $safe_mode 安全模式：如果设置为TRUE，则在出现错误时返回原始字符串
* @return string
*/
function io_encode_utf8( $string = '', $encoding = 'iso-8859-1', $safe_mode = false ) {
$safe = ( $safe_mode ) ? $string : false;
if ( strtoupper( $encoding ) == 'UTF-8' || strtoupper( $encoding ) == 'UTF8' ) {
return $string;
} elseif ( strtoupper( $encoding ) == 'ISO-8859-1' ) {
return utf8_encode( $string );
} elseif ( strtoupper( $encoding ) == 'WINDOWS-1252' ) {
return utf8_encode( io_map_w1252_iso8859_1( $string ) );
} elseif ( strtoupper( $encoding ) == 'UNICODE-1-1-UTF-7' ) {
$encoding = 'utf-7';
}
if ( function_exists( 'mb_convert_encoding' ) ) {
$conv = @mb_convert_encoding( $string, 'UTF-8', strtoupper( $encoding ) );
if ( $conv ) {
return $conv;
}
}
if ( function_exists( 'iconv' ) ) {
$conv = @iconv( strtoupper( $encoding ), 'UTF-8', $string );
if ( $conv ) {
return $conv;
}
}
if ( function_exists( 'libiconv' ) ) {
$conv = @libiconv( strtoupper( $encoding ), 'UTF-8', $string );
if ( $conv ) {
return $conv;
}
}
return $safe;
}
/**
* 特殊模式
* Windows-1252 基本上是 ISO-8859-1 ——除了一些例外
* @param string $string
* @return string
*/
function io_map_w1252_iso8859_1( $string = '' ) {
if ( '' == $string ) {
return '';
}
$return = '';
for ( $i = 0; $i < strlen( $string ); ++$i ) {
$c = ord( $string[ $i ] );
switch ( $c ) {
case 129:
$return .= chr( 252 );
break;
case 132:
$return .= chr( 228 );
break;
case 142:
$return .= chr( 196 );
break;
case 148:
$return .= chr( 246 );
break;
case 153:
$return .= chr( 214 );
break;
case 154:
$return .= chr( 220 );
break;
case 225:
$return .= chr( 223 );
break;
default:
$return .= chr( $c );
break;
}
}
return $return;
}
/**
* 获取链接根域名
* @param string $url
* @return string
*/
function get_url_root($url){
if (!$url) {
return $url;
}
if (!preg_match("/^http/is", $url)) {
$url = "http://" . $url;
}
$url = parse_url($url)["host"];
$url_arr = explode(".", $url);
if (count($url_arr) <= 2) {
$host = $url;
} else {
$last = array_pop($url_arr);
$last_1 = array_pop($url_arr);
$last_2 = array_pop($url_arr);
$host = $last_1 . '.' . $last;
if (in_array($host, DUALHOST))
$host = $last_2 . '.' . $last_1 . '.' . $last;
}
return $host;
}
/**
* 获取随机数
* @param int $counts 随机数位数
* @return string
*/
function io_get_captcha($counts = 6){
$original = '0,1,2,3,4,5,6,7,8,9';
$original = explode(',', $original);
$code = "";
for ($j = 0; $j < $counts; $j++) {
$code .= $original[rand(0, count($original) - 1)];
}
return strtolower($code);
}
/**
*
*
* @param mixed $abc
* @return float|int
*/
function char_to_num($abc){
$ten = 0;
$len = strlen($abc);
for($i=1;$i<=$len;$i++){
$char = substr($abc,0-$i,1);//反向获取单个字符
$int = ord($char);
$ten += ($int-65)*pow(26,$i-1);
}
return $ten;
}
/**
* 多久后
*
* @param mixed $time
* @return bool|string
*/
function io_friend_after_date($time){
if (!$time)
return false;
if (!is_numeric($time)) {
$time = strtotime($time);
}
$today = strtotime(date("Y-m-d", current_time('timestamp'))); //今天
$tomorrow = $today + 3600 * 24; //明天
$after_tomorrow = $tomorrow + 3600 * 24; //后天
$three_days = $after_tomorrow + 3600 * 24; //大后天
$date = '';
switch ($time) {
case $time > $three_days:
$date = date(__('m月d日 H:i', 'i_theme'), $time);
break;
case $time > $after_tomorrow:
$date = __('后天', 'i_theme') . date('H:i', $time);
break;
case $time > $tomorrow:
$date = __('明天', 'i_theme') . date('H:i', $time);
break;
case $time > $today:
$date = __('今天', 'i_theme') . date('H:i', $time);
break;
default:
$date = date(__('m月d日 H:i', 'i_theme'), $time);
break;
}
return $date;
}
/**
* 判断是否为爬虫
* @return bool
*/
function io_is_spider() {
// 扩展的常见蜘蛛爬虫用户代理关键词
$bots = array(
// Google
'googlebot', 'mediapartners-google', 'adsbot-google', 'googlebot-image', 'googlebot-video', 'google-favicon',
// Bing
'bingbot', 'bingpreview',
// Yahoo
'slurp',
// DuckDuckGo
'duckduckbot',
// Baidu
'baiduspider', 'baidu-imagespider', 'baiduspider-video', 'baidunews', 'baiduspider-news', 'baiduspider-favo', 'baiduspider-cpro', 'baiduspider-ads',
// Yandex
'yandexbot', 'yandeximages', 'yandexvideo', 'yandexmedia', 'yandexblogs', 'yandexnews',
// Sogou
'sogou', 'sogou-spider', 'sogou web spider', 'sogouinst spider',
// Exalead
'exabot',
// Facebook
'facebot', 'facebookexternalhit',
// Twitter
'twitterbot',
// LinkedIn
'linkedinbot',
// Other common bots
'ia_archiver', // Archive.org
'msnbot', // MSN Bot
'mj12bot', // Majestic-12
'seznambot', // Seznam.cz
'ahrefsbot', // Ahrefs
'semrushbot', // SEMrush
'rogerbot', // Moz/Site Crawl
'dotbot', // Moz/DotBot
'gigabot', // GigaBot
'surveybot', // SurveyBot
'linkpadbot', // Linkpad
'outbrain', // Outbrain
'pinterest', // Pinterest Bot
'telegrambot', // Telegram
'slackbot', // Slack
'discordbot', // Discord
'applebot', // Applebot
'baiduspider', // Baidu
'yahoo', // Yahoo
'ecosia', // Ecosia
'archive', // Internet Archive
'curl', // cURL requests
'wget', // Wget requests
'python', // Python requests
'python-requests', // Specific Python library for HTTP requests
'postman', // Postman tool
'axios', // Axios library
'java', // Generic Java based bots
'google-page-speed-insights', // Google Page Speed Insights bot
'bytespider' // ByteDance (TikTok)
);
if (!isset($_SERVER['HTTP_USER_AGENT'])) {
return false;
}
// 获取用户代理字符串
$user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
// 检查用户代理是否包含任何爬虫标识符
foreach ($bots as $bot) {
if (strpos($user_agent, $bot) !== false) {
return true;
}
}
return false;
}
/**
* 获取动态边栏
*
* @param mixed $index 边栏的名称或ID
* @return string
*/
function get_dynamic_sidebar($index = 1) {
if(is_active_sidebar($index)){
ob_start();
dynamic_sidebar($index);
$sidebar = ob_get_clean();
return $sidebar;
}
return '';
}
/**
* 获取自定义背景
*
* @param mixed $args 配置参数
* @param mixed $class 额外的 class
* @return string
*/
function get_div_custom_background($args, &$class) {
if (!isset($args['background'])) {
return '';
}
$margin = $args['background']['margin'];
$padding = $args['background']['padding'];
//$color = $args['background']['color'];
$background = $args['background']['background'];
$style = array(
//'--this-main-color' => $color['color'],
//'--this-hover-color' => $color['hover'],
//'--this-muted-color' => $color['muted'],
//'color' => 'var(--this-main-color)',
'margin-top' => $margin['top'] . 'px',
'margin-bottom' => $margin['bottom'] . 'px',
'padding' => $padding['top'] . 'px ' . $padding['right'] . 'px ' . $padding['bottom'] . 'px ' . $padding['left'] . 'px',
);
if (!empty($background['background-image']['url'])) {
$class = $class . ' card-blue';
$style['background-image'] = 'url(' . $background['background-image']['url'] . ')';
$style['background-size'] = $background['background-size'];
$style['background-repeat'] = $background['background-repeat'];
$style['background-attachment'] = $background['background-attachment'];
$style['background-position'] = $background['background-position'];
$style['background-clip'] = $background['background-clip'];
$style['background-origin'] = $background['background-origin'];
$style['background-blend-mode'] = $background['background-blend-mode'];
$style['background-color'] = $background['background-color'];
} elseif (!empty($background['background-color'])) {
$style['background'] = $background['background-color'];
if (!empty($background['background-gradient-color'])) {
$style['background'] = 'linear-gradient(' . $background['background-gradient-direction'] . ', ' . $background['background-color'] . ' 0%, ' . $background['background-gradient-color'] . ' 100%)';
}
}
// 将数组转换为 HTML 的 style 属性字符串
$style_attr = '';
foreach ($style as $key => $value) {
if (!empty($value)) {
$style_attr .= $key . ': ' . esc_attr($value) . '; ';
}
}
// 去掉最后一个分号和空格
$style_attr = rtrim($style_attr, '; ');
return 'style="' . $style_attr . '"';
}
/**
* 分类法转文章类型
* @param mixed $taxonomy
* @global WP_Taxonomy[] $wp_taxonomies
* @return mixed
*/
function get_post_types_by_taxonomy($taxonomy)
{
$is_wp = false; // 使用wp方法返回第一个关联的文章类型
if ($is_wp) {
global $wp_taxonomies;
if (isset($wp_taxonomies[$taxonomy])) {
return $wp_taxonomies[$taxonomy]->object_type[0];
}
} else {
if ($taxonomy == "favorites" || $taxonomy == "sitetag")
return 'sites';
if ($taxonomy == "apps" || $taxonomy == "apptag")
return 'app';
if ($taxonomy == "books" || $taxonomy == "booktag" || $taxonomy == "series")
return 'book';
if ($taxonomy == "category" || $taxonomy == "post_tag")
return 'post';
}
return $taxonomy;
}
/**
* 判断是否为分类法
*
* true:分类法 false:标签法
* @param mixed $taxonomy 分类法名称
* @return bool
*/
function is_taxonomy_cat($taxonomy)
{
$taxonomy_obj = get_taxonomy($taxonomy);
if (!$taxonomy_obj) {
return false;
}
if ($taxonomy_obj->hierarchical) {
return true;
} else {
return false;
}
}
/**
* 只获取分类法名称
* @param mixed $taxonomy
* @return string
*/
function get_taxonomy_type_name($taxonomy){
if( $taxonomy=="favorites"||$taxonomy=="sitetag" )
return 'favorites';
if( $taxonomy=="apps"||$taxonomy=="apptag" )
return 'apps';
if( $taxonomy=="books"||$taxonomy=="booktag" ||$taxonomy=="series" )
return 'books';
if( $taxonomy=="category"||$taxonomy=="post_tag" )
return 'category';
return $taxonomy;
}
/**
* 获取文章类型对应的标签法名称
* @param mixed $post_type
* @return string
*/
function posts_to_tag($post_type) {
if ($post_type == "sites")
return 'sitetag';
if ($post_type == "app")
return 'apptag';
if ($post_type == "book")
return 'booktag';
return 'post_tag';
}
/**
* 获取文章类型对应的分类法名称
* @param mixed $post_type
* @return string
*/
function posts_to_cat($post_type) {
if ($post_type == "sites")
return 'favorites';
if ($post_type == "app")
return 'apps';
if ($post_type == "book")
return 'books';
return 'category';
}
/**
* 获取相关文章
*
* 结果缓存 1 小时
* @param mixed $type 文章类型
* @param mixed $title 标题
* @param mixed $limit 数量
* @return string
*/
function io_posts_related($type, $title = '', $limit = 6) {
global $post;
$cache_key = 'io_related_posts_' . $post->ID;
$cached_posts = wp_cache_get($cache_key, 'related_posts');
if ($cached_posts) {
return $cached_posts;
}
$cat = posts_to_cat($type);
$tag = posts_to_tag($type);
$cats = get_the_terms($post, $cat);
$tags = get_the_terms($post, $tag);
$args = array(
'post_type' => $type,// 文章类型
'posts_per_page' => $limit,
'ignore_sticky_posts' => 1,
'post_status' => 'publish',
'orderby' => 'rand', // 随机排序
'no_found_rows' => true,
'post__not_in' => array($post->ID),
'tax_query' => array(
'relation' => 'OR',
array(
'taxonomy' => $tag,
'field' => 'term_id',
'terms' => array_column((array) $tags, 'term_id'),
),
array(
'taxonomy' => $cat,
'field' => 'term_id',
'terms' => array_column((array) $cats, 'term_id'),
),
),
);
$posts_lits = '';
$related_items = new WP_Query($args);
while ($related_items->have_posts()) {
$related_items->the_post();
switch ($type) {
case 'sites':
$posts_lits .= get_sites_card('default', array('class' => 'col-2a col-md-4a'));
break;
case 'app':
$posts_lits .= get_app_card('max', array('class' => 'col-2a col-md-3a'));
break;
case 'book':
$posts_lits .= get_book_card(io_get_book_card_mode(), array('class' => 'col-2a col-md-4a'));
break;
default:
$posts_lits .= get_post_card('card', array('class' => 'col-2a col-md-4a'));
break;
}
}
wp_reset_postdata();
if (empty($posts_lits)) {
$posts_lits .= '<div class="col-1a"><div class="nothing">' . __('没有相关内容!', 'i_theme') . '</div></div>';
}
$html = '<h4 class="text-gray text-lg my-4">' . $title . '</h4>';
$html .= '<div class="posts-row">';
$html .= $posts_lits;
$html .= '</div>';
wp_cache_set($cache_key, $html, 'related_posts', HOUR_IN_SECONDS); // 缓存1小时
return $html;
}
/**
* 提取颜色的RGB值
* @param mixed $color 颜色 #123123 | #123 | rgb(11,11,11) | rgba(11,11,11, 0.2)
* @return array|bool
*/
function extractRGB($color) {
$rgb = [];
if (preg_match('/^#?([a-fA-F0-9]{6})$/', $color, $matches)) {
$hex = $matches[1];
$rgb['r'] = hexdec(substr($hex, 0, 2));
$rgb['g'] = hexdec(substr($hex, 2, 2));
$rgb['b'] = hexdec(substr($hex, 4, 2));
$rgb['a'] = 1;
} elseif (preg_match('/^#?([a-fA-F0-9]{3})$/', $color, $matches)) {
$hex = $matches[1];
$rgb['r'] = hexdec(str_repeat(substr($hex, 0, 1), 2));
$rgb['g'] = hexdec(str_repeat(substr($hex, 1, 1), 2));
$rgb['b'] = hexdec(str_repeat(substr($hex, 2, 1), 2));
$rgb['a'] = 1;
} elseif (preg_match('/^rgba?\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})(?:,\s*[\d\.]+)?\)$/', $color, $matches)) {
$rgb['r'] = (int) $matches[1];
$rgb['g'] = (int) $matches[2];
$rgb['b'] = (int) $matches[3];
$rgb['a'] = isset($matches[4]) ? (float)$matches[4] : 1;
} else {
return false;
}
return $rgb;
}
/**
* 颜色加深
* @param mixed $color
* @param mixed $deepen
* @return string
*/
function get_color_deepen($color, $deepen = 0.1) {
$rgb = extractRGB($color);
if (!$rgb) {
return $color;
}
$rgb = array_map(function ($value) use ($deepen) {
$value = $value * (1 - $deepen);
return $value < 0 ? 0 : $value;
}, $rgb);
// 将 RGB 转换为 HSL
$hsl = rgbToHsl($rgb['r'], $rgb['g'], $rgb['b']);
// 色相偏移20度
$hsl['h'] = ($hsl['h'] - 20) % 360; // 确保色相值在 0 到 360 之间
// 将 HSL 转换回 RGB
$rgb = hslToRgb($hsl['h'], $hsl['s'], $hsl['l']);
// 返回 #hex 格式
$r = sprintf("%02x", $rgb['r']);
$g = sprintf("%02x", $rgb['g']);
$b = sprintf("%02x", $rgb['b']);
return '#' . $r . $g . $b;
}
/**
* 设置颜色透明度
* @param mixed $color
* @param mixed $opacity
* @return string
*/
function set_color_opacity($color, $opacity = 0.5) {
$rgb = extractRGB($color);
return "rgba({$rgb['r']}, {$rgb['g']}, {$rgb['b']}, {$opacity})";
}
/**
* 将 RGB 转换为 HSL
* @param mixed $r
* @param mixed $g
* @param mixed $b
* @return array
*/
function rgbToHsl($r, $g, $b) {
$r /= 255;
$g /= 255;
$b /= 255;
$max = max($r, $g, $b);
$min = min($r, $g, $b);
$h = 0;
$s = 0;
$l = ($max + $min) / 2;
if ($max == $min) {
$h = $s = 0; // achromatic
} else {
$d = $max - $min;
$s = $l > 0.5 ? $d / (2 - $max - $min) : $d / ($max + $min);
switch ($max) {
case $r:
$h = ($g - $b) / $d + ($g < $b ? 6 : 0);
break;
case $g:
$h = ($b - $r) / $d + 2;
break;
case $b:
$h = ($r - $g) / $d + 4;
break;
}
$h /= 6;
}
return array('h' => $h * 360, 's' => $s, 'l' => $l);
}
/**
* 将 HSL 转换回 RGB
* @param mixed $h
* @param mixed $s
* @param mixed $l
* @return array
*/
function hslToRgb($h, $s, $l) {
$h /= 360;
$r = 0;
$g = 0;
$b = 0;
if ($s == 0) {
$r = $g = $b = $l; // achromatic
} else {
$q = $l < 0.5 ? $l * (1 + $s) : $l + $s - $l * $s;
$p = 2 * $l - $q;
$r = hueToRgb($p, $q, $h + 1/3);
$g = hueToRgb($p, $q, $h);
$b = hueToRgb($p, $q, $h - 1/3);
}
return array('r' => round($r * 255), 'g' => round($g * 255), 'b' => round($b * 255));
}
/**
* 辅助函数：用于 HSL 转换为 RGB 的步骤
* @param mixed $p
* @param mixed $q
* @param mixed $t
* @return mixed
*/
function hueToRgb($p, $q, $t) {
if ($t < 0) $t += 1;
if ($t > 1) $t -= 1;
if ($t < 1/6) return $p + ($q - $p) * 6 * $t;
if ($t < 1/2) return $q;
if ($t < 2/3) return $p + ($q - $p) * (2/3 - $t) * 6;
return $p;
}
/**
* 显示置顶标签
*
* @return string
*/
function get_sticky_tag() {
$default = array(
'switcher' => false,
'icon' => '顶',
'name' => '置顶',
);
if(!is_sticky()){
return '';
}
$sticky = io_get_option('sticky_tag', array());
$sticky = wp_parse_args($sticky, $default);
$span = '';
if ($sticky['switcher'])
$span = '<span class="badge badge-title vc-j-red mr-1" data-toggle="tooltip" title="' . $sticky['name'] . '">' . $sticky['icon'] . '</span>';
return $span;
}
/**
* 显示 NEW 标签
*
* @return string
*/
function get_new_tag() {
$default = array(
'switcher' => false,
'icon' => '新',
'name' => '新增',
'date' => 7,
);
$new = io_get_option('new_tag', array());
$new = wp_parse_args($new, $default);
$span = '';
if ($new['switcher']) {
$now = date("Y-m-d H:i:s", current_time('timestamp'));
$due = $new['date'] * 24;
$diff = (strtotime($now) - strtotime(get_the_time('Y-m-d H:i:s'))) / 3600;
if ($diff < $due) {
$span = '<span class="badge badge-title vc-j-purple mr-1" data-toggle="tooltip" title="' . $new['name'] . '">' . $new['icon'] . '</span>';
}
}
return $span;
}
/**
* 根据菜单ID获取层级化的菜单项
*
* 该函数通过递归方式构建一个层级结构，用于表示WordPress菜单项的层次关系
* 它首先获取所有菜单项，然后根据菜单项的父级关系，将它们组织成树状结构
*
* @param int $menu_id 菜单ID，表示需要获取的特定菜单的项
* @return array 层级化的菜单结构，包含顶级菜单及其子菜单（如果有）
*/
function get_menu_items_by_level($menu_id) {
static $cache_nav_menu = array();
if (empty($menu_id)) {
return array();
}
if (isset($cache_nav_menu[$menu_id])) {
return $cache_nav_menu[$menu_id];
}
$menu_items = wp_get_nav_menu_items($menu_id);
if (!$menu_items) {
return array();
}
$menu_tree = array();
foreach ($menu_items as $menu_item) {
$menu_item_array = (array) $menu_item;
$menu_item_array['children'] = array();
// 如果没有父级菜单（即顶级菜单），直接添加到根数组
if (!$menu_item->menu_item_parent) {
$menu_tree[$menu_item->ID] = $menu_item_array;
} else {
add_menu_item_to_parent($menu_tree, $menu_item_array);
}
}
$cache_nav_menu[$menu_id] = $menu_tree;
return $menu_tree;
}
/**
* 将菜单项添加到父菜单下
*
* 该函数通过递归遍历菜单树，将指定的菜单项添加到其父菜单的子菜单列表中
* 如果菜单项的父菜单不存在，则该菜单项将不会被添加
*
* @param array $menu_tree 菜单树数组，包含多个菜单项及它们的关系
* @param array $menu_item 待添加的菜单项对象，包含menu_item_parent属性，指定其父菜单的ID
* @return void
*/
function add_menu_item_to_parent(&$menu_tree, $menu_item) {
foreach ($menu_tree as &$parent_menu_item) {
// 找到匹配的父菜单
if ($parent_menu_item['ID'] == $menu_item['menu_item_parent']) {
$parent_menu_item['children'][$menu_item['ID']] = $menu_item;
return;
}
// 如果当前项还有子级，则递归继续找父级菜单
if (!empty($parent_menu_item['children'])) {
add_menu_item_to_parent($parent_menu_item['children'], $menu_item);
}
}
}
/**
* 获取半透明模式颜色
*
* @param mixed $index 颜色索引
* @param mixed $type 颜色类型 默认为空 l、半透明 j、渐变
* @param mixed $rand 是否随机
* @return string
*/
function get_theme_color($index, $type = '', $rand = false)
{
$type = $type ? '-' . $type : '';
$colors = array(
'vc' . $type . '-theme',
'vc' . $type . '-blue',
'vc' . $type . '-green',
'vc' . $type . '-red',
'vc' . $type . '-yellow',
'vc' . $type . '-cyan',
'vc' . $type . '-violet',
'vc' . $type . '-purple',
);
if ($rand) {
return $colors[array_rand($colors)];
} else {
return $colors[$index % count($colors)];
}
}
/**
* 获取ajax预制占位符
* @param mixed $style 样式
* @param int $count 数量
* @param bool $is_half 只显示一半
* @param mixed $attr 其他属性
* @return string
*/
function get_posts_placeholder($style, $count = 0, $is_half = true) {
if ($count > 0) {
$count = $is_half ? min(8, ceil($count / 2)) : $count;
}
$html = '';
for ($i = 0; $i < $count; $i++) {
$attr = 'style="--this-title-width:' . rand(50, 100) . '%;"';
if ('title' == $style) {
$html .= '<div class="placeholder-posts null-' . $style . '">';
$html .= '<span class="--image"></span>';
$html .= '<span class="--title" ' . $attr . '></span>';
$html .= '</div>';
} else {
$html .= '<div class="placeholder-posts null-' . $style . '">';
$html .= '<div class="p-header">';
$html .= '<span class="--image"></span>';
$html .= '</div>';
$html .= '<div class="p-meta">';
$html .= '<span class="--title" ' . $attr . '></span>';
$html .= '<div class="--meta"><span></span><span></span><span></span></div>';
$html .= '</div>';
$html .= '</div>';
}
}
//if ($count > 0) {
// $count = $is_half ? min(8, ceil($count / 2)) : $count;
// $html = str_repeat($html, $count);
//}
return $html;
}
/**
* 获取文章排序方式
*
* @param mixed $type 排序类型，默认为空。如果提供了类型，则返回对应类型的名称。
* @return string|string[]
*/
function get_select_by($type = '') {
$list = array(
'date' => __('发布', 'i_theme'),
'modified' => __('更新', 'i_theme'),
'views' => __('浏览', 'i_theme'),
'like' => __('点赞', 'i_theme'),
'start' => __('收藏', 'i_theme'),
'comment' => __('评论', 'i_theme'),
'down' => __('下载', 'i_theme'),
'rand' => __('随机', 'i_theme'),
);
if ($type) {
return $list[$type];
}
return $list;
}
/**
* 获取文章排序方式的元键
* @param mixed $type
* @return mixed
*/
function get_select_to_meta_key($type) {
$list = array(
'date' => 'date',
'modified' => 'modified',
'views' => 'views',
'like' => '_like_count',
'start' => '_star_count',
'comment' => 'comment_count',
'down' => '_down_count',
);
if (isset($list[$type])) {
return $list[$type];
}
return $type;
}
/**
* 获取配置项里的项目值
*
* 自动缓存
* @param mixed $type 配置项类型 post|term|user|comment
* @param mixed $key 配置项名称
* @param mixed $meta_id 文章id|分类id|用户id|评论id
* @param mixed $single 是否单一
* @return mixed
*/
function io_get_meta($type, $key, $meta_id, $single = false)
{
$cache_key = $type . '_meta_' . $meta_id;
$value = wp_cache_get($cache_key, 'io_meta_data');
if (false === $value) {
//$value = get_metadata($type, $meta_id, '', $single);
switch ($type) {
case 'post':
default:
$value = get_post_meta($meta_id, 'posts_config_data', $single);
break;
}
wp_cache_set($cache_key, $value, 'io_meta_data', WEEK_IN_SECONDS);
}
return isset($value[$key]) ? $value[$key] : false;
}
/**
* 更新配置项里的项目值
*
* 自动缓存
* @param mixed $type 配置项类型 post|term|user|comment
* @param mixed $key 配置项名称
* @param mixed $value 配置项值
* @param mixed $meta_id 文章id|分类id|用户id|评论id
* @return mixed
*/
function io_update_meta($type, $key, $value, $meta_id)
{
$cache_key = $type . '_meta_' . $meta_id;
switch ($type) {
case 'post':
default:
$old_value = get_post_meta($meta_id, 'posts_config_data', true);
$old_value[$key] = $value;
$state = update_post_meta($meta_id, 'posts_config_data', $old_value);
break;
}
wp_cache_set($cache_key, $old_value, 'io_meta_data', WEEK_IN_SECONDS);
return $state;
}
/**
* 检查指定的类型和键是否存在于预定义的元键数组中
*
* @param mixed $type 元数据类型，如'post'
* @param mixed $key 元数据键，如果提供了此参数，函数将检查该键是否存在于指定类型中
* @return bool|string[] 如果提供了$key参数，返回布尔值，表示键是否存在于类型中；否则返回类型的所有键数组
*/
function have_meta_keys($type, $key = '')
{
$meta_keys = array(
'post' => array(
'_goto','_wechat_id','_is_min_app','_sites_language','_sites_country',
'_thumbnail','_sites_preview','_wechat_qr','_down_version',
'_down_size','_down_url_list','_dec_password','_app_platform','_down_preview','_down_formal',
'_screenshot','_app_ico','app_ico_o','_summary','_journal',
'_books_data','_buy_list','_down_list',
)
);
$keys = isset($meta_keys[$type]) ? $meta_keys[$type] : array();
if ($key) {
return in_array($key, $keys);
}
return $keys;
}
/**
* 获取文章meta数据
* @param mixed $post_id
* @param mixed $key
* @param mixed $single
* @return mixed
*/
function _gt_post_m($post_id, $key, $single = true)
{
if (have_meta_keys('post', $key)) {
return io_get_meta('post', $key, $post_id, $single);
}
return get_post_meta($post_id, $key, $single);
}
/**
* 更新文章meta数据
* @param mixed $post_id
* @param mixed $key
* @param mixed $value
* @return mixed
*/
function _up_post_m($post_id, $key, $value)
{
if (have_meta_keys('post', $key)) {
return io_update_meta('post', $key, $value, $post_id);
}
return update_post_meta($post_id, $key, $value);
}
/**
* 数据清洗
* 支持数组和字符串
* @param array|string $data
* @return array|string
*/
function sanitize_input($data)
{
if (is_array($data)) {
foreach ($data as $k => $v) {
if (is_array($v)) {
$data[$k] = sanitize_input($v);
} else {
$data[$k] = trim(htmlspecialchars($v, ENT_QUOTES));
}
}
} else {
$data = trim(htmlspecialchars($data, ENT_QUOTES));
}
return $data;
}
/**
* 查找字符串中是否包含数组中的字符
*
* @param string $string 要查找的字符串
* @param array $args 要匹配的字符数组
* @return bool 如果找到则返回true，否则返回false
*/
function find_character($string, $args)
{
// 使用 preg_quote() 来转义数组中的特殊字符，避免正则表达式冲突
$escapedArr = array_map('preg_quote', $args, array_fill(0, count($args), '#'));
// 使用 preg_match 而不是 preg_match_all，找到一个即可返回 true
return (bool)preg_match('#(' . implode('|', $escapedArr) . ')#', $string);
}
/**
* 查找字符是否存在
*
* 匹配最前面的字符，用于 $title 只保留最前面的部分
*
* @description:
* @param string $str
* @param array $needles
* @return int
*/
function io_strpos($str, $needles)
{
$index = 0;
foreach ($needles as $needle) {
$new = strpos($str, $needle);
if ($new !== false) {
if ($index === 0 || $new < $index) {
$index = $new;
}
}
}
return $index;
}
/**
* 将数字四舍五入为K（千），M（百万）或B（十亿）
*
* number_format
*
* @param mixed $number
* @param int $min_value
* @param int $decimal
* @return string|void
*/
function io_number_format( $number, $min_value = 1000, $decimal = 1 ) {
if( $number < $min_value ) {
return number_format_i18n( $number );
}
$alphabets = array( 1000000000 => 'B', 1000000 => 'M', 1000 => 'K' );
foreach ($alphabets as $key => $value) {
if ($number >= $key) {
if ($number >= $key * 100) {
$decimal = 0;
}
return round($number / $key, $decimal) . '<span class="num-unit">' . $value . '</span>';
}
}
}
/**
* 通过 api 获取 favicon 图标
* @param mixed $url
* @return string
*/
function get_favicon_api_url($url)
{
$api = io_get_option('favicon_api', 'https://t' . rand(0, 3) . '.gstatic.cn/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&size=128&url=%url%');
$parsed_url = parse_url($url);
if (isset($parsed_url['host'])) {
$host = $parsed_url['host'];
} else {
return '';
}
$link = str_replace(
array('%host%', '%url%'),
array($host, $url),
$api
);
return esc_url($link);
}
/**
* 通过 api 获取网站预览图
* @param mixed $url
* @param mixed $width
* @param mixed $height
* @return string
*/
function get_preview_api_url($url, $width = 800, $height = 600)
{
$api = io_get_option('preview_api', 'https://cdn.iocdn.cc/mshots/v1/%host%?w=%width%&h=%height%');
$parsed_url = parse_url($url);
if (isset($parsed_url['host'])) {
$host = $parsed_url['host'];
} else {
return '';
}
$link = str_replace(
array('%host%', '%url%', '%width%', '%height%'),
array($host, $url, $width, $height),
$api
);
return esc_url($link);
}
/**
* 旋转数组，使指定元素成为数组的第一个元素
*
* @param array $array 原始数组
* @param mixed $start 指定的起始元素
* @return array 旋转后的数组
*/
function rotate_array($array, $start)
{
$index = array_search($start, $array);
if ($index === false) {
return $array;
}
$part1 = array_splice($array, $index);
return array_merge($part1, $array);
}
/**
* 分类选择框
* 多选，需配合 js 使用
* @param array $args
* @return mixed
*/
function io_dropdown_categories_multiple($args = array())
{
// 设置默认参数
$defaults = array(
'taxonomy' => 'category', // 分类法（默认是分类）
'name' => 'cat', // 下拉框的 name 属性
'id' => '', // 下拉框的 id 属性
'class' => '', // 自定义 CSS 类
'selected' => array(), // 默认选中的分类
'hide_empty' => 1, // 是否隐藏没有文章的分类
'hierarchical' => 0, // 是否显示层级分类
'include' => array(), // 包含的分类 ID
'exclude' => array(), // 排除的分类 ID
'show_count' => 0, // 是否显示文章数量
'show_option_none' => '', // 默认显示的提示文本
'max_count_limit' => 0, // 分类多选时，最多可选数量
'orderby' => 'id',
'order' => 'ASC',
'echo' => 1,
);
$args = wp_parse_args($args, $defaults);
// 获取分类数据
$categories = get_terms(array(
'orderby' => $args['orderby'],
'order' => $args['order'],
'taxonomy' => $args['taxonomy'],
'hide_empty' => $args['hide_empty'],
'include' => $args['include'], // 只包含指定的分类 ID
'exclude' => $args['exclude'], // 排除指定的分类 ID
));
// 如果需要层级分类，先构建一个带深度信息的分类数组
if ($args['hierarchical'] && empty($args['include']) && empty($args['exclude'])) { // 不包含和排除
$categories = io_get_category_hierarchy($categories);
}
// 开始构建下拉框
$output = '<select name="' . esc_attr($args['name']) . '" multiple="multiple" style="display: none;"';
if (!empty($args['id'])) {
$output .= ' id="' . esc_attr($args['id']) . '"';
}
$output .= ' class="' . esc_attr($args['class']) . '"';
$output .= '>';
// 循环添加分类到下拉框中
if (!empty($categories) && !is_wp_error($categories)) {
$args['selected'] = (array) $args['selected'];
foreach ($categories as $category) {
$output .= '<option value="' . esc_attr($category->term_id) . '"';
if (in_array($category->term_id, $args['selected'])) {
$output .= ' selected="selected"';
}
// 如果是层级分类，显示缩进
$depth = isset($category->depth) ? $category->depth : 0;
$output .= '>' . str_repeat(' ', $depth);
$output .= esc_html($category->name);
if ($args['show_count']) {
$output .= ' (' . $category->count . ')';
}
$output .= '</option>';
}
}
$output .= '</select>';
$html = '<div class="io-multiple-dropdown" data-placeholder="' . esc_attr($args['show_option_none']) . '" data-max-count="' . $args['max_count_limit'] . '">';
$html .= $output;
$html .= '<div class="multiple-select">';
$html .= '<div class="selected-input">' . esc_html($args['show_option_none']) . '</div>';
$html .= '<div class="multiple-dropdown">';
$html .= '<ul class="dropdown-list"></ul>';
if($args['max_count_limit'] != 1){
$html .= '<div class="dropdown-footer mt-1 row-a row-sm row-col-' . ($args['max_count_limit'] == 0 ? '2' : '1') . 'a">';
if($args['max_count_limit'] == 0){
$html .= '<div class="btn vc-l-blue btn-sm select-all">' . __('全选', 'i_theme') . '</div>';
}
$html .= '<div class="btn vc-l-red btn-sm clear-all">' . __('清空', 'i_theme') . '</div>';
if($args['max_count_limit'] > 1){
$html .= '<div class=" badge vc-l-blue text-xs col-1a-i text-left"><i class="iconfont icon-tishi mr-1"></i>' . sprintf(__('最多可选%s个', 'i_theme'), $args['max_count_limit']) . '</div>';
}
$html .= '</div>';
}
$html .= '</div>';
$html .= '</div>';
$html .= '</div>';
if ($args['echo']) {
echo $html;
} else {
return $html;
}
}
/**
* 构建带深度信息的层级分类
*
* 辅助函数
* @param mixed $categories
* @param mixed $parent_id
* @param mixed $depth
* @return array
*/
function io_get_category_hierarchy($categories, $parent_id = 0, $depth = 0)
{
$output = array();
foreach ($categories as $category) {
if ($category->parent == $parent_id) {
$category->depth = $depth; // 设置深度
$output[] = $category;
// 递归获取子分类
$child_categories = io_get_category_hierarchy($categories, $category->term_id, $depth + 1);
$output = array_merge($output, $child_categories);
}
}
return $output;
}
/**
* 获取缓存
* @param mixed $key
* @param mixed $group
* @param mixed $force
* @param mixed $found
*/
function io_cache_get($key, $group = '', $force = false, &$found = null)
{
if (wp_using_ext_object_cache()) {
return wp_cache_get($key, $group, $force, $found);
}
$cache = get_transient($key . '_' . $group);
$found = $cache !== false;
return $cache;
}
/**
* 设置缓存
* @param mixed $key
* @param mixed $value
* @param mixed $group
* @param mixed $expire
*/
function io_cache_set($key, $value, $group = '', $expire = 0)
{
if (wp_using_ext_object_cache()) {
return wp_cache_set($key, $value, $group, $expire);
}
return set_transient($key . '_' . $group, $value, $expire);
}
/**
* 删除缓存
* @param mixed $key
* @param mixed $group
*/
function io_cache_delete($key, $group = '')
{
if (wp_using_ext_object_cache()) {
return wp_cache_delete($key, $group);
}
return delete_transient($key . '_' . $group);
}