<?php
/**
 * RiPro是一个优秀的主题，首页拖拽布局，高级筛选，自带会员生态系统，超全支付接口，你喜欢的样子我都有！
 * 正版唯一购买地址，全自动授权下载使用：https://vip.ylit.cc/
 * 作者唯一QQ：200933220 （油条）
 * 承蒙您对本主题的喜爱，我们愿向小三一样，做大哥的女人，做大哥网站中最想日的一个。
 * 能理解使用盗版的人，但是不能接受传播盗版，本身主题没几个钱，主题自有支付体系和会员体系，盗版风险太高，鬼知道那些人乱动什么代码，无利不起早。
 * 开发者不易，感谢支持，更好的更用心的等你来调教
 */


/**
 * the theme
 */


function cao_body_classes( $classes ) {

    @session_start();
    // $_SESSION['is_ripro_dark'] = 1;
    $dark_session = (!empty($_SESSION['is_ripro_dark'])) ? true : false;
    $this_dark = ( _cao('is_ripro_dark')) ? 'ripro-dark' : '' ;
    if ($dark_session) {
        $this_dark = 'ripro-dark';
    }
    $classes[] = $this_dark;
	if (_cao('is_site_max_width','0')) {
        $classes[] = 'max_width';
    }
    if ( ! is_singular() ) {
        $classes[] = 'hfeed';
    }

    if (is_home()) {
      $classes[] = 'modular-title-2';
    }
    $navbar_style = _cao( 'navbar_style', 'sticky' );
    if ( is_singular( 'post' ) || is_page() ) {
    $navbar_style = cao_compare_options( $navbar_style, rwmb_meta( 'navbar_style' ) );
    }
    $classes[] = 'navbar-' . $navbar_style;

    if ( _cao( 'navbar_full', false ) == true ) {
        $classes[] = 'navbar-full';
    }

    if ( _cao( 'navbar_slide', false ) == true ) {
        $classes[] = 'navbar-slide';
    }

    if ( cao_compare_options( _cao( 'navbar_hidden', false ), rwmb_meta( 'navbar_hidden' ) ) == true ) {
        $classes[] = 'navbar-hidden';
    }

    if ( _cao( 'disable_search', false ) == true ) {
        $classes[] = 'no-search';
    }

    $classes[] = 'sidebar-' . cao_sidebar();

    if ( cao_show_hero() ) {
        $classes[] = 'with-hero';

        if ( is_home() ) {
            $classes[] = 'hero-' . _cao( 'hero_home_style', 'none' );
            $classes[] = 'hero-' . _cao( 'hero_home_content', 'image' );
        } elseif ( is_singular( 'post' ) || is_page() ) {
            $classes[] = 'hero-' . cao_compare_options( _cao( 'hero_single_style', 'none' ), rwmb_meta( 'hero_single_style' ) );
            $classes[] = get_post_format() ? 'hero-' . get_post_format() : 'hero-image';
        }
    }


    $classes[] = 'pagination-' . _cao( 'pagination', 'infinite_button' );

    if ( get_previous_posts_link() ) {
        $classes[] = 'paged-previous';
    }

    if ( get_next_posts_link() ) {
        $classes[] = 'paged-next';
    }

    if ( ( is_singular( 'post' ) || is_page() ) && rwmb_meta( 'cao_subheading') != '' ) {
        $classes[] = 'with-subheading';
    }

    if ( ! is_active_sidebar( 'off_canvas' ) ) {
        $classes[] = 'no-off-canvas';
    }
    return $classes;
}
add_filter( 'body_class', 'cao_body_classes' );




function cao_entry_header( $options = array() ) {
  $options = array_merge( array( 'outside_loop' => false, 'container' => 'header', 'tag' => 'h2', 'link' => true, 'white' => false, 'author' => false, 'category' => false, 'date' => false, 'comment' => false, 'like' => false ), $options );
  $queried_object = get_queried_object();
  $post_id = $options['outside_loop'] ? $queried_object->ID : get_the_ID();
  $categories = get_the_category( $post_id ); ?>

  <?php echo '<' . $options['container'] . ' class="entry-header' . esc_attr( $options['white'] ? ' white' : '' ) . '">'; ?>
    <?php if ( $options['author'] || $options['category'] || $options['date'] || $options['comment'] || $options['like'] ) : ?>
      <div class="entry-meta">
        <?php if ( $options['author'] ) :
          $author_id = get_post_field( 'post_author', $post_id ); ?>
          <span class="meta-author">
            <a<?php echo _target_blank();?> href="<?php echo esc_url( get_author_posts_url( get_the_author_meta( 'ID', $author_id ) ) ); ?>">
              <?php
                echo get_avatar( get_the_author_meta( 'email', $author_id ), '40', null, get_the_author_meta( 'display_name', $author_id ) );
                echo get_the_author_meta( 'display_name', $author_id );
              ?>
            </a>
          </span>
        <?php endif;

        if ( $categories && $options['category'] ) : ?>
          <span class="meta-category">
            <?php foreach ( $categories as $key=>$category ) :
              if ($key == 3) {break;}
            ?>
              <a<?php echo _target_blank();?> href="<?php echo esc_url( get_category_link( $category->term_id ) ); ?>" rel="category">
                  <i class="dot"></i><?php echo esc_html( $category->name ); ?>
              </a>
            <?php endforeach; ?>
          </span>
        <?php endif;

        if ( $options['date'] ) : ?>
          <span class="meta-date">
            <a<?php echo _target_blank();?> href="<?php echo esc_url( get_the_permalink( $post_id ) ); ?>">
              <time datetime="<?php echo esc_attr( get_the_date( 'c', $post_id ) ); ?>">
                <?php
                  // echo esc_html( get_the_date( null, $post_id ) );
                  echo _timeago( get_gmt_from_date(get_the_time('Y-m-d G:i:s')) );;
                ?>
              </time>
            </a>
          </span>
        <?php endif;
        
        if ( $options['comment'] && ! post_password_required( $post_id ) && ( comments_open( $post_id ) || get_comments_number( $post_id ) ) ) : ?>
          <span class="meta-comment">
            <a<?php echo _target_blank();?> href="<?php echo esc_url( get_the_permalink( $post_id ) . '#comments' ); ?>">
              <?php printf( _n( '%s 评论', '%s 评论', esc_html( get_comments_number( $post_id ) ), 'cao' ), esc_html( number_format_i18n( get_comments_number( $post_id ) ) ) ); ?>
            </a>
          </span>
        <?php endif;?>
      </div>
    <?php endif; ?>

    <?php
      if ( $options['link'] ) {
        echo '<' . $options['tag'] . ' class="entry-title"><a'. _target_blank() .' href="' . esc_url( get_permalink( $post_id ) ) . '" title="'.get_the_title( $post_id ).'" rel="bookmark">' . get_the_title( $post_id ) . '</a></' . $options['tag'] . '>';
      } else {
        echo '<' . $options['tag'] . ' class="entry-title">' . get_the_title( $post_id ) . '</' . $options['tag'] . '>';
      }
    ?>
  <?php echo '</' . $options['container'] . '>';
}



function cao_thumbnail_ratio() {
    // $thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), $image_size );
    $thumbnail = _cao('thumbnail-px');
    if ( $thumbnail['width'] && $thumbnail['height']) {
        return $thumbnail['height'] / $thumbnail['width'] * 100 . '%';
    } else {
        return 200/300* 100 . '%';   
    }
}

// 获取图片高度
function cao_entry_media( $options = array() ) {
  global $post;
  $ratio = cao_thumbnail_ratio(); ?>
  <div class="entry-media">
    <div class="placeholder" style="padding-bottom: <?php echo esc_attr( $ratio ); ?>;">
      <a<?php echo _target_blank();?>  href="<?php echo esc_url( get_permalink() ); ?>">
        <img class="lazyload" data-src="<?php echo esc_url(_get_post_timthumb_src()); ?>" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" alt="<?php echo get_the_title(); ?>">  
      </a>
    </div>
    <?php get_template_part( 'parts/entry-format' ); ?>
  </div>
<?php 
}

//x=修复默认文章无侧边栏问题
function cao_sidebar() {
    if ( is_singular( 'post' ) || ( is_page()) ) {
      global $post;
        $sidebar = get_post_meta($post->ID, 'post_style', true);
        if ($sidebar == 'no_sidebar') {
          $sidebar = 'none';
        }else{
          $sidebar = 'right';
        }
        return $sidebar;
    } elseif ( is_archive() || is_search() ) {
        return 'none';
    } elseif ( is_home() ) {
        return _cao( 'sidebar_home', 'none' );
    }
    return 'none';
}

function cao_column_classes( $sidebar ) {
    $content_column_class = 'content-column col-lg-9';
    $sidebar_column_class = 'sidebar-column col-lg-3';

    if ( $sidebar == 'none' ) {
        $content_column_class = 'col-lg-12';
    }

    return array( $content_column_class, $sidebar_column_class );
}


function cao_side_thumbnail() {
  if ( ( is_singular( 'post' ) || is_page() ) && has_post_thumbnail() ) {
    $image_location = 'mixed';
    $featured_image = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full' );

    if ( ( ( $image_location == 'mixed' && $featured_image[2] > $featured_image[1] ) || $image_location == 'side' ) && ! get_post_format() ) {
      return true;
    }
  }

  return false;
}



function cao_show_hero() {

  global $post;
  if (is_singular( 'post' ) || is_page()) {
      $post_style = get_post_meta($post->ID, 'post_hero', true);
      if ($post_style) {
        return true;
      }

  }
  return false;
}

function cao_is_gif() {
  if ( has_post_thumbnail() ) {
    $featured_image = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full' );
    $featured_image = $featured_image[0];

    $path_parts = pathinfo( $featured_image );
    $extension = $path_parts['extension'];

    return $extension == 'gif' ? true : false;
  }

  return false;
}




//文章图片赖加载，检测图片srcset后添加 lazyload  兼容处理 V3.5
function cao_lazy_content_images($content)
{
    global $post;
    $_the_content = $content;
    // Don't lazyload for feeds, previews, mobile
    if (is_feed() || is_preview() || (function_exists('is_mobile') && is_mobile())) {
        return $content;
    }

    if (false !== strpos($content, 'data-original')) {
        return $content;
    }

    $pattern     = "/<img(.*?)src=(.*?)class=\"(.*?)\"(.*?)srcset=(.*?)>/i";
    $replacement = '<img$1src=$2class="$3 lazyload"$4data-srcset=$5>';
    $content     = preg_replace($pattern, $replacement, $content);
    //兼容处理
    if (empty($content)) {
        return $_the_content;
    } else {
        return $content;
    }
}
add_filter('the_content', 'cao_lazy_content_images', 99);



function cao_compare_options( $global, $override ) {
  if ( $global == $override || $override == '' ) {
    return $global;
  } else {
    return $override;
  }
}

if ( ! function_exists( 'rwmb_meta' ) ) {
  function rwmb_meta( $key, $args = '', $post_id = null ) {
    return false;
  }
}



function _the_theme_name()
{
    $current_theme = wp_get_theme();
    return $current_theme->get('Name');
}

function _the_theme_version()
{
    $current_theme = wp_get_theme();
    return $current_theme->get('Version');
}

function _the_theme_aurl()
{
    $current_theme = wp_get_theme();
    return $current_theme->get('ThemeURI');
}

function _get_description_max_length()
{
    return 200;
}

function _get_delimiter()
{
    return _cao('connector') ? _cao('connector') : '-';
}
remove_action('wp_head', '_wp_render_title_tag', 1);

function _title()
{

    if (_cao('del_ripro_seo','0')) {
        return wp_title('-', true, 'right');
    }
    global $paged,$post;

    $html = '';
    $t    = trim(wp_title('', false));

    if ($t) {
        $html .= $t . _get_delimiter();
    }

    if (get_query_var('page')) {
        $html .= '第' . get_query_var('page') . '页' . _get_delimiter();
    }

    $html .= get_bloginfo('name');

    if (is_home()) {
        if ($paged > 1) {
            $html .= _get_delimiter() . '最新发布';
        } elseif (get_option('blogdescription')) {
            $html .= _get_delimiter() . get_option('blogdescription');
        }
    }

    if (is_category()) {
        global $wp_query;
        $cat_ID  = get_query_var('cat');
        $seo_str = get_term_meta($cat_ID, 'seo-title', true);
        $cat_tit = ($seo_str) ? $seo_str : _get_tax_meta($cat_ID, 'title');
        if ($cat_tit) {
            $html = $cat_tit;
        }
    } elseif (is_tag()) {
        $tagName = single_tag_title('',false);
        $tagObject = get_term_by('name',$tagName,'post_tag');
        $tagID = $tagObject->term_id;
        $seo_str     = get_term_meta($tagID, 'seo-title', true);
        $html = ($seo_str) ? trim($seo_str) : $tagName;
    }elseif (is_singular() && get_post_meta($post->ID, 'post_titie_s', true) ) {
        $html = get_post_meta($post->ID, 'post_titie', true);
    }

    if ($paged > 1) {
        $html .= _get_delimiter() . '第' . $paged . '页';
    }

    return $html;
}

function _the_head()
{
    _keywords();
    _description();
    _post_views_record();
    $css_str    = _cao('web_css');
    if ($css_str) {
        echo '<style>'. $css_str .'</style>';
    }
}
add_action('wp_head', '_the_head');

/**
 * [_keywords SEO关键词优化]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:17:48+0800
 * @return   [type]                   [description]
 */
function _keywords()
{
    if (_cao('del_ripro_seo','0')) {
        return;
    }
    global $s, $post;
    $keywords = '';
    if (is_singular()) {
        if (get_the_tags($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 . ', ';
        }

        if (get_post_meta($post->ID, 'post_keywords_s', true)) {
            $the = trim(get_post_meta($post->ID, 'keywords', true));
            if ($the) {
                $keywords = $the;
            }
        } else {
            $keywords = substr_replace($keywords, '', -2);
        }

    } elseif (is_home()) {
        $seo_opt  = _cao('seo');
        $keywords = (!empty($seo_opt['web_keywords'])) ? $seo_opt['web_keywords'] : 'RiPro主题是最好的资源下载付费主题' ;
    } elseif (is_tag()) {
        $tagName = single_tag_title('',false);
        $tagObject = get_term_by('name',$tagName,'post_tag');
        $tagID = $tagObject->term_id;
        $seo_str  = get_term_meta($tagID, 'seo-keywords', true);
        $keywords = ($seo_str) ? trim($seo_str) : $tagName;
    } elseif (is_category()) {
        global $wp_query;
        $cat_ID   = get_query_var('cat');
        $seo_str  = get_term_meta($cat_ID, 'seo-keywords', true);
        $keywords = ($seo_str) ? trim($seo_str) : trim(wp_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";
    }
}

/**
 * [_description SEO描述优化]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:18:02+0800
 * @return   [type]                   [description]
 */
function _description()
{
    if (_cao('del_ripro_seo','0')) {
        return;
    }
    global $s, $post;
    $description = '';
    $blog_name   = get_bloginfo('name');
    if (is_singular()) {
        if (!empty($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))));
        $description = substr_ext(strip_tags(strip_shortcodes($description)), 0, 140, 'utf-8', '...');
        if (!($description)) {
            $description = $blog_name . "-" . trim(wp_title('', false));
        }
        if (get_post_meta($post->ID, 'post_description_s', true)) {
            $the = trim(get_post_meta($post->ID, 'description', true));
            if ($the) {
                $description = $the;
            }
        }

    } elseif (is_home()) {
        $seo_opt     = _cao('seo');
        $description = (!empty($seo_opt['web_description'])) ? $seo_opt['web_description'] : 'RiPro主题是最好的资源下载付费主题' ;
    } elseif (is_tag()) {
        $tagName = single_tag_title('',false);
        $tagObject = get_term_by('name',$tagName,'post_tag');
        $tagID = $tagObject->term_id;
        $seo_str     = get_term_meta($tagID, 'seo-description', true);
        $description = ($seo_str) ? trim($seo_str) : trim(wp_title('', false));
    } elseif (is_category()) {
        global $wp_query;
        $cat_ID      = get_query_var('cat');
        $seo_str     = get_term_meta($cat_ID, 'seo-description', true);
        $description = ($seo_str) ? trim($seo_str) : trim(wp_title('', false));
    } 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', 'haoui');
    } elseif (is_tag()){
       
    }else {
        $description = $blog_name . "'" . trim(wp_title('', false)) . "'";
    }
    $description = mb_substr($description, 0, _get_description_max_length(), 'utf-8');
    echo "<meta name=\"description\" content=\"$description\">\n";
}


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] : '';
}


/**
 * [cao_oauth_page_rewrite_rules OAuth登录处理页路由(/oauth)]
 * @Author   Dadong2g
 * @DateTime 2019-05-26T00:04:32+0800
 * @param    [type]                   $wp_rewrite [description]
 * @return   [type]                               [description]
 * (qq|weibo|weixin|...)
 */
function cao_oauth_page_rewrite_rules($wp_rewrite)
{
    if ($ps = get_option('permalink_structure')) {
        $new_rules['oauth/([A-Za-z]+)$']          = 'index.php?oauth=$matches[1]';
        $new_rules['oauth/([A-Za-z]+)/callback$'] = 'index.php?oauth=$matches[1]&oauth_callback=1';
        $wp_rewrite->rules                        = $new_rules + $wp_rewrite->rules;
    }
}
add_action('generate_rewrite_rules', 'cao_oauth_page_rewrite_rules');

/**
 * [cao_add_oauth_page_query_vars 自定义的Action页添加query_var白名单]
 * @Author   Dadong2g
 * @DateTime 2019-05-26T00:06:55+0800
 * @param    [type]                   $public_query_vars [description]
 * @return   [type]                                      [description]
 */
function cao_add_oauth_page_query_vars($public_query_vars)
{
    if (!is_admin()) {
        $public_query_vars[] = 'oauth'; // 添加参数白名单oauth，代表是各种OAuth登录处理页
        $public_query_vars[] = 'oauth_callback'; // OAuth登录最后一步，整合WP账户，自定义用户名
    }
    return $public_query_vars;
}
add_filter('query_vars', 'cao_add_oauth_page_query_vars');

/**
 * [cao_oauth_page_template OAuth登录处理页模板]
 * @Author   Dadong2g
 * @DateTime 2019-05-26T00:07:35+0800
 * @return   [type]                   [description]
 */
function cao_oauth_page_template()
{
    $oauth          = strtolower(get_query_var('oauth')); //转换为小写
    $oauth_callback = get_query_var('oauth_callback');
    if ($oauth) {
        if (in_array($oauth, array('qq','qqagent','weixin', 'weixinagent', 'weibo','weiboagent'))):
            global $wp_query;
            $wp_query->is_home = false;
            $wp_query->is_page = true; //将该模板改为页面属性，而非首页
            $template          = $oauth_callback ? TEMPLATEPATH . '/inc/oauth/'.$oauth.'/callback.php' : TEMPLATEPATH . '/inc/oauth/'.$oauth.'/login.php';
            load_template($template);
            exit;
        else:
            // 非法路由处理
            unset($oauth);
            return;
        endif;
    }
}
add_action('template_redirect', 'cao_oauth_page_template', 5);



if (_cao('is_close_wpreg') || _cao('is_close_wplogin')) {
   
}

/**
 * [getQrcode 生产二维码]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T13:17:10+0800
 * @param    [type]                   $url [description]
 * @return   [type]                        [description]
 */
function getQrcode($url)
{
    //引入phpqrcode类库
    require_once get_stylesheet_directory() . '/inc/class/qrcode.class.php';
    $errorCorrectionLevel = 'L'; //容错级别
    $matrixPointSize      = 6; //生成图片大小
    ob_start();
    QRcode::png($url, false, $errorCorrectionLevel, $matrixPointSize, 2);
    $data = ob_get_contents();
    ob_end_clean();

    $imageString = base64_encode($data);
    header("content-type:application/json; charset=utf-8");
    return 'data:image/jpeg;base64,'.$imageString;
}


/*
Gravatar 自定义头像 Hook
 */
function cao_avatar_hook($avatar, $id_or_email, $size, $default, $alt,$str='img')
{


// update_user_meta(1, 'user_avatar_type','weixin');

    $user = false;
    if (is_numeric($id_or_email)) {
        $id   = (int) $id_or_email;
        $user = get_user_by('id', $id);
    } elseif (is_object($id_or_email)) {
        if (!empty($id_or_email->user_id)) {
            $id   = (int) $id_or_email->user_id;
            $user = get_user_by('id', $id);
        }
    } else {
        $user = get_user_by('email', $id_or_email);
    }
    if ($user && is_object($user)) {

        $uid = $user->data->ID;
        $user_email = $user->data->user_email;
        $_qqAvatarAPI = 'https://q.qlogo.cn/qqapp/';
        $_gravatarAPI = 'https://cn.gravatar.com/avatar/';
        $_user_avatar_type = (get_user_meta($uid, 'user_avatar_type', true));

        // 判断头像类型
        switch ($_user_avatar_type){
            case 'gravatar':
                $user_custom_avatar = get_user_meta($uid, 'user_custom_avatar', true );
                $avatar_url = ($user_custom_avatar) ? $user_custom_avatar : _the_theme_avatar() ;
                break;
            case 'qq':
                $qqConfig = _cao('oauth_qq');
                $avatar_url = $_qqAvatarAPI . $qqConfig['appid'] . '/' . get_user_meta($uid, 'open_qq_openid', true ) . '/100';
                // $avatar_url = set_url_scheme(get_user_meta($uid, 'open_qq_avatar', true ));
                break;
            case 'weibo':
                $avatar_url = set_url_scheme(get_user_meta($uid, 'open_weibo_avatar', true ));
                break;
            case 'weixin':
                $avatar_url = set_url_scheme(get_user_meta($uid, 'open_weixin_avatar', true ));
                break;
            case 'custom':
                $avatar_url = set_url_scheme(get_user_meta($uid, 'user_custom_avatar', true ));
            default:
                $avatar_url = _the_theme_avatar();
        }
        if ($str =='img') {
            if (is_admin()) {
                $avatar = "<img alt='{$alt}' src='{$avatar_url}' class='avatar avatar-{$size} photo {$_user_avatar_type}' height='{$size}' width='{$size}' />";
            }else{
               $avatar = "<img alt='{$alt}' data-src='{$avatar_url}' class='lazyload avatar avatar-{$size} photo {$_user_avatar_type}' height='{$size}' width='{$size}' />"; 
            }
            
        }else{
            $avatar = $avatar_url;
        }
        
    }

    return $avatar;
}
add_filter('get_avatar', 'cao_avatar_hook', 1, 5);


function _the_theme_avatar()
{
    return get_stylesheet_directory_uri() . '/assets/images/avatar/1.png';
}

function _is_bind_openid($type = 'qq')
{
    global $current_user;
    $uid = $current_user->ID;
    $_bind = (int)get_user_meta($uid, 'open_' . $type . '_bind', true);
    return ($_bind) ? true : false ;
}

//社交登录按钮
function _the_open_oauth_login_btn()
{
    if (_cao('is_oauth_qq') || _cao('is_oauth_weixin') || _cao('is_oauth_weibo')) {
        $oauthArr = array('qq','weixin','weibo');
        echo '<div class="open-oauth  text-center">';
            foreach ($oauthArr as $value) {
                if (_cao('is_oauth_'.$value)) {
                    echo '<a href="'.esc_url(home_url('/oauth/'.$value)).'" class="btn btn-'.$value.'"><i class="fa fa-'.$value.'"></i></a>';
                }
            }
        echo '</div>';
        echo '<div class="or-text"><span>or</span></div>';     
    }
}
//获取用户社交登录按钮
function _the_open_oauth_btn()
{
    $oauthArr = array('qq','weixin','weibo');
    foreach ($oauthArr as $value) {
        switch ($value) {
            case 'qq':
                $opname = 'QQ';
                break;
            case 'weixin':
                $opname = '微信';
                break;
            case 'weibo':
                $opname = '微博';
                break;
        }
        if (_cao('is_oauth_'.$value)) {
            if (_is_bind_openid($value)) {
                echo '<a href="javascript: void(0);" class="btn unset-bind" data-id="'.$value.'"><i class="fa fa-'.$value.'"></i> 解绑'.$opname.'</a>';
            }else{
                echo '<a href="'.esc_url(home_url('/oauth/'.$value)).'" class="btn"><i class="fa fa-'.$value.'"></i> 绑定'.$opname.'</a>';
            }
        }
    }
}
//获取用户头像地址 根据类型
function _get_user_avatar_url($type = 'gravatar',$user_id=0)
{   
    if ($user_id>0) {
        $uid = $user_id; 
    }else{
        global $current_user;
        $uid = $current_user->ID;
    }
    
    
    $user = get_user_by('id', $uid);
    $user_email = $user->data->user_email;
    $_user_avatar_type = (get_user_meta($uid, 'user_avatar_type', true));

    if ($type=='user') {
       $this_type= $_user_avatar_type;
    }else{
        $this_type =$type;
    }

    $_qqAvatarAPI = 'https://q.qlogo.cn/qqapp/';
    $_gravatarAPI = 'https://cn.gravatar.com/avatar/';

    // 判断头像类型
    switch ($this_type){
        case 'gravatar':
            $user_custom_avatar = get_user_meta($uid, 'user_custom_avatar', true );
            $avatar_url = ($user_custom_avatar) ? $user_custom_avatar : _the_theme_avatar() ;
            break;
        case 'qq':
            $qqConfig = _cao('oauth_qq');
            $avatar_url = $_qqAvatarAPI . $qqConfig['appid'] . '/' . get_user_meta($uid, 'open_qq_openid', true ) . '/100';
            break;
        case 'weibo':
            $avatar_url = set_url_scheme(get_user_meta($uid, 'open_weibo_avatar', true ));
            break;
        case 'weixin':
            $avatar_url = set_url_scheme(get_user_meta($uid, 'open_weixin_avatar', true ));
            break;
        case 'custom':
            $avatar_url = set_url_scheme(get_user_meta($uid, 'user_custom_avatar', true ));
        default:
            $avatar_url = _the_theme_avatar();
    }
    
    return $avatar_url;

}

/**
 * [_get_user_avatar 获取头像]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:17:13+0800
 * @param    string                   $user_email [description]
 * @param    boolean                  $src        [description]
 * @param    integer                  $size       [description]
 * @return   [type]                               [description]
 */
function _get_user_avatar($user_email = '', $src = false, $size = 50)
{
    global $current_user;
    if (!$user_email) {
        $user_email = $current_user->user_email;
    }
   
    $avatar = get_avatar($user_email, $size);
    if ($src) {
        return $avatar;
    }else{
        return $avatar;
    }

}


// 文章是否下载资源文章
function _get_post_shop_status()
{
    global $post;
    $post_ID = $post->ID;
    if (get_post_meta($post_ID, 'cao_status', true)) {
        return true;
    }
    return false;
}


//检测文章是否付费查看内容
function _get_post_shop_hide()
{
  global $post;
  if( has_shortcode( $post->post_content, 'rihide') ){
    return true;
  }
  return false;
}

//检测文章是否有设置视频
function _get_post_video_url()
{
  global $post;
  $video_url = get_post_meta($post->ID, 'video_url', true);
  if( $video_url != ''){
    return $video_url;
  }
  return false;
}


//文章资源价格
function _get_post_price()
{
    global $post;
    $post_ID = $post->ID;
    $price   = get_post_meta($post_ID, 'cao_price', true);
    $priceVal = ($price) ? $price : '0' ;
    // $after = _cao('site_money_ua');
    return $priceVal;
}


//文章分类信息
function _get_post_cat()
{
    global $post;
    $post_ID = $post->ID;
    $category = get_the_category($post->ID);
    $cat_neme=$category[0]->cat_name;
    $cat_links=get_category_link($category[0]->cat_ID);
    return '<a href="'.$cat_links.'">'.$cat_neme.'</a>';
}



/**
 * post 文章阅读次数
 */
function _post_views_record()
{
    if (is_singular()) {
        global $post;
        $post_ID = $post->ID;
        if ($post_ID) {
            $post_views = (int) get_post_meta($post_ID, 'views', true);
            if (!update_post_meta($post_ID, 'views', ($post_views + 1))) {
                add_post_meta($post_ID, 'views', 1, true);
            }
        }
    }
}


function _get_post_views($before = '', $after = '')
{
    global $post;
    $post_ID = $post->ID;
    $views   = (int) get_post_meta($post_ID, 'views', true);
    if ($views >= 1000) {
        $views = round($views / 1000, 2) . 'K';
    }
    return $before . $views . $after;
}


/**
 * [_set_postthumbnail 自动设置文章缩略图]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:27:23+0800
 */
if (_cao('set_postthumbnail') && !function_exists('_set_postthumbnail')):
  function _set_postthumbnail()
  {
      global $post;
      if (empty($post)) {
          return;
      }

      $already_has_thumb = has_post_thumbnail($post->ID);
      if (!$already_has_thumb) {
          $attached_image = get_children("post_parent=$post->ID&post_type=attachment&post_mime_type=image&numberposts=1");
          if ($attached_image) {
              foreach ($attached_image as $attachment_id => $attachment) {
                  set_post_thumbnail($post->ID, $attachment_id);
              }
          }
      }
  }

  // add_action('the_post', '_set_postthumbnail');
  add_action('save_post', '_set_postthumbnail');
  add_action('draft_to_publish', '_set_postthumbnail');
  add_action('new_to_publish', '_set_postthumbnail');
  add_action('pending_to_publish', '_set_postthumbnail');
  add_action('future_to_publish', '_set_postthumbnail');
endif;


/**
 * [_the_theme_thumb 默认缩略图]
 * @Author   Dadong2g
 * @DateTime 2019-05-29T10:35:28+0800
 * @return   [type]                   [description]
 */
function _the_theme_thumb()
{
    return _cao('post_default_thumb')['url'] ? _cao('post_default_thumb')['url'] : get_stylesheet_directory_uri() . '/assets/images/thumb/1.jpg';
    $rand = mt_rand(1,10);
    return get_stylesheet_directory_uri() . '/assets/images/thumb/'.$rand.'.jpg';
}

function _the_theme_thumb_full()
{
    return get_stylesheet_directory_uri() . '/assets/images/thumb/full.jpg';
}

function _the_loader_img()
{
    return get_stylesheet_directory_uri() . '/assets/images/loader/preloader.gif';
}




/**
 * [_get_post_thumbnail_url 输出缩略图地址]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:16:30+0800
 * @param    [type]                   $post [post]
 * @return   [type]                         [description]
 */
function _get_post_thumbnail_url($post = null)
{
    if ($post === null) {
        global $post;
    }
    // cao_is_gif()
    if (has_post_thumbnail($post)) {
        //如果有特色缩略图，则输出缩略图地址
        $image = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), 'full' );
        $post_thumbnail_src = $image[0];
    } else {
        $post_thumbnail_src = '';
        @$output            = preg_match_all('/<img.+src=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
        if (!empty($matches[1][0])) {
            global $wpdb;
            $att = $wpdb->get_row($wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE guid LIKE '%s'", $matches[1][0]));
            if ($att) {
                $post_thumbnail_src = $att->ID;
            } else {
                $post_thumbnail_src = $matches[1][0];
            }
        } else {
            $post_thumbnail_src = _the_theme_thumb();
        }
    }
    return $post_thumbnail_src;
}

/**
 * [timthumb 图像裁切]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:16:48+0800
 * @param    [type]                   $src  [description]
 * @param    [type]                   $size [description]
 * @param    [type]                   $set  [description]
 * @return   [type]                         [description]
 */
function timthumb($src, $size = null, $set = null)
{
    if (cao_is_gif()) {
      return $src;
    }
    $modular = _cao('thumbnail_handle');
    if (is_numeric($src)) {
        if ($modular == 'timthumb_mi') {
            // $src = image_downsize( $src, $size['w'].'-'.$size['h'] );
            $src = image_downsize($src, 'thumbnail');
        } else {
            $src = image_downsize($src, 'full');
        }
        $src = $src[0];
    }
    if ($set == 'original') {
        return $src;
    }
    if ($modular == 'timthumb_php' || empty($modular) || $set == 'tim') {
        return get_stylesheet_directory_uri() . '/timthumb.php?src=' . $src . '&h=' . $size["h"] . '&w=' . $size['w'] . '&zc=1&a=c&q=100&s=1';
    } else {
        return $src;
    }
}


/**
 * [_get_post_thumbnail 获取缩略图代码]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:16:54+0800
 * @return   [type]                   [description]
 */
function _get_post_timthumb_src()
{
  $thum_px = _cao('thumbnail-px');
  $img_w   = ($thum_px) ? $thum_px['width'] : '300';
  $img_h   = ($thum_px) ? $thum_px['height'] : '200';
  $src     = timthumb(_get_post_thumbnail_url(), array('w' => $img_w, 'h' => $img_h));
  return $src;
}




/**
 * [_str_cut description]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:15:45+0800
 * @param    [type]                   $str        [description]
 * @param    [type]                   $start      [description]
 * @param    [type]                   $width      [description]
 * @param    [type]                   $trimmarker [description]
 * @return   [type]                               [description]
 */
function _str_cut($str, $start, $width, $trimmarker)
{
    $output = preg_replace('/^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,' . $start . '}((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,' . $width . '}).*/s', '\1', $str);
    return $output . $trimmarker;
}

// 分享文字处理

function substr_ext($str, $start = 0, $length, $charset = 'utf-8', $suffix = '')
{
    if (function_exists('mb_substr')) {
        return mb_substr($str, $start, $length, $charset) . $suffix;
    }
    if (function_exists('iconv_substr')) {
        return iconv_substr($str, $start, $length, $charset) . $suffix;
    }
    $re['utf-8']  = '/[-]|[?-?][?-?]|[?-?][?-?]{2}|[?-?][?-?]{3}/';
    $re['gb2312'] = '/[-]|[?-?][?-?]/';
    $re['gbk']    = '/[-]|[?-?][@-?]/';
    $re['big5']   = '/[-]|[?-?]([@-~]|?-?])/';
    preg_match_all($re[$charset], $str, $match);
    $slice = join('', array_slice($match[0], $start, $length));
    return $slice . $suffix;
}

function mi_str_encode($string)
{
    return $string;
    $len = strlen($string);
    $buf = '';
    $i   = 0;
    while ($i < $len) {
        if (ord($string[$i]) <= 127) {
            $buf .= $string[$i];
        } elseif (ord($string[$i]) < 192) {
            $buf .= '&#xfffd;';
        } elseif (ord($string[$i]) < 224) {
            $buf .= sprintf('&#%d;', ord($string[$i + 0]) + ord($string[$i + 1]));
            $i = $i + 1;
            $i += 1;
        } elseif (ord($string[$i]) < 240) {
            ord($string[$i + 2]);
            $buf .= sprintf('&#%d;', ord($string[$i + 0]) + ord($string[$i + 1]) + ord($string[$i + 2]));
            $i = $i + 2;
            $i += 2;
        } else {
            ord($string[$i + 2]);
            ord($string[$i + 3]);
            $buf .= sprintf('&#%d;', ord($string[$i + 0]) + ord($string[$i + 1]) + ord($string[$i + 2]) + ord($string[$i + 3]));
            $i = $i + 3;
            $i += 3;
        }
        $i = $i + 1;
    }
    return $buf;
}

function draw_txt_to($card, $pos, $str, $iswrite, $font_file)
{
    $_str_h      = $pos['top'];
    $fontsize    = $pos['fontsize'];
    $width       = $pos['width'];
    $margin_lift = $pos['left'];
    $hang_size   = $pos['hang_size'];
    $temp_string = '';
    $tp          = 0;
    $font_color  = imagecolorallocate($card, $pos['color'][0], $pos['color'][1], $pos['color'][2]);
    $i           = 0;
    $str = strip_tags(str_replace('&nbsp;','',$str));
    while ($i < mb_strlen($str)) {
        $box            = imagettfbbox($fontsize, 0, $font_file, mi_str_encode($temp_string));
        $_string_length = $box[2] - $box[0];
        $temptext       = mb_substr($str, $i, 1);
        $temp           = imagettfbbox($fontsize, 0, $font_file, mi_str_encode($temptext));
        if ($_string_length + $temp[2] - $temp[0] < $width) {
            $temp_string .= mb_substr($str, $i, 1);
            if ($i == mb_strlen($str) - 1) {
                $_str_h = $_str_h + $hang_size;
                $_str_h += $hang_size;
                $tp = $tp + 1;
                if ($iswrite) {
                    imagettftext($card, $fontsize, 0, $margin_lift, $_str_h, $font_color, $font_file, mi_str_encode($temp_string));
                }
            }
        } else {
            $texts   = mb_substr($str, $i, 1);
            $isfuhao = preg_match('/[\\pP]/u', $texts) ? true : false;
            if ($isfuhao) {
                $temp_string .= $texts;
                $f  = mb_substr($str, $i + 1, 1);
                $fh = preg_match('/[\\pP]/u', $f) ? true : false;
                if ($fh) {
                    $temp_string .= $f;
                    $i = $i + 1;
                }
            } else {
                $i = $i+-1;
            }
            $tmp_str_len = mb_strlen($temp_string);
            $s           = mb_substr($temp_string, $tmp_str_len - 1, 1);
            if (is_firstfuhao($s)) {
                $temp_string = rtrim($temp_string, $s);
                $i           = $i+-1;
            }
            $_str_h = $_str_h + $hang_size;
            $_str_h += $hang_size;
            $tp = $tp + 1;
            if ($iswrite) {
                imagettftext($card, $fontsize, 0, $margin_lift, $_str_h, $font_color, $font_file, mi_str_encode($temp_string));
            }
            $temp_string = '';
        }
        $i = $i + 1;
    }
    return $tp * $hang_size;
}

function is_firstfuhao($str)
{
    $fuhaos = array('0' => '"', '1' => '“', '2' => '\'', '3' => '<', '4' => '《');
    return in_array($str, $fuhaos);
}


//生成封面
function create_bigger_image($post_id, $date, $title, $content, $head_img, $qrcode_img = null, $author, $category, $modified)
{
    $im               = imagecreatetruecolor(800, 1059); //设置海报整体的宽高
    $white            = imagecolorallocate($im, 255, 255, 255); // 海报背景色
    $gray             = imagecolorallocate($im, 200, 200, 200); // 海报水平图文分割线颜色
    $red              = imagecolorallocate($im, 240, 66, 66); // 海报水平图文分割线颜色
    $foot_text_color  = imagecolorallocate($im, 6, 39, 67); // 海报左下角文字（网站副标题）颜色
    $black            = imagecolorallocate($im, 0, 0, 0); // 设置偏移标题的字体颜色
    $title_text_color = imagecolorallocate($im, 255, 51, 51); // 不知道有啥用的参数。。。
    $english_font     = get_template_directory() . '/assets/fonts/share/Montserrat-Regular.ttf'; // 海报中用到的英文字体（图像日期）
    $chinese_font     = get_template_directory() . '/assets/fonts/share/MFShangYa_Regular.otf'; // 海报中用到的中文字体（文章标题）
    $chinese_font_2   = get_template_directory() . '/assets/fonts/share/hanyixizhongyuan.ttf'; // 海报中用到的中文字体2（文章摘要/网站副标题）
    imagefill($im, 0, 0, $white); //设置海报底色填充
    $head_img = imagecreatefromstring(file_get_contents(timthumb($head_img, array('w' => 800, 'h' => '520'), 'tim'))); // 海报头部图片宽高尺寸
    imagecopy($im, $head_img, 0, 0, 0, 0, 800, 520); // 海报头部图片框宽高尺寸
    $day        = $date['day']; // 获取海报中显示的文章发布日期（天）
    $day_width  = imagettfbbox(80, 0, $english_font, $day); // 计算并返回一个包围着 TrueType 文本范围的虚拟方框的像素大小（字体大小,旋转角度，字体文件，文本字符）
    $day_width  = abs($day_width[2] - $day_width[0]);
    $year       = $date['year']; // 获取海报中显示的文章发布日期（年）
    $year_width = imagettfbbox(24, 0, $english_font, $year); // 计算并返回一个包围着 TrueType 文本范围的虚拟方框的像素大小（字体大小,旋转角度，字体文件，文本字符）
    $year_width = abs($year_width[2] - $year_width[0]);
    $day_left   = ($year_width - $day_width) / 2; // 海报头部图片悬浮日期（天）距离左侧边缘
    imagettftext($im, 80, 0, 50 + $day_left, 420, $white, $english_font, $day); // 海报头部图片中绘制日期（天）（源图像，字体大小，旋转角度，X轴坐标，Y轴坐标，字体颜色，字体文件，文本字符）
    imageline($im, 50, 440, 50 + $year_width, 440, $white); // 海报头部图片中绘制日期间隔线的属性
    imagettftext($im, 24, 0, 50, 480, $white, $english_font, $year); // 海报头部图片中绘制日期（年）（源图像，字体大小，旋转角度，X轴坐标，Y轴坐标，字体颜色，字体文件，文本字符）
    $title = mi_str_encode($title);

    $title_conf = array('color' => array('0' => 52, '1' => 73, '2' => 94), 'fontsize' => 28, 'width' => 680, 'left' => 60, 'top' => 540, 'hang_size' => 24);
    draw_txt_to($im, $title_conf, $title, true, $chinese_font); // 在海报上绘制文章标题

    $des_conf = array('color' => array('0' => 99, '1' => 99, '2' => 99), 'fontsize' => 20, 'width' => 680, 'left' => 60, 'top' => 660, 'hang_size' => 18);
    draw_txt_to($im, $des_conf, $content, true, $chinese_font_2); // 在海报上绘制文章摘要


     $style = array();
    imagesetstyle($im, $style);
    imageline($im, 0, 780, 800, 780, $gray); // 文章摘要下方间隔线条设置（源图像，X1坐标，Y1坐标，X2坐标，Y2坐标，线条颜色）

   
    // 获取海报底部网站描述文字（网站副标题）
    $foot_text = _cao('poster_desc');
    $foot_text = $foot_text ? $foot_text : get_bloginfo('description');
    $foot_text = mi_str_encode($foot_text);
    // 获取海报底部 Logo 文件
    $poster_logo = _cao('poster_logo');
    if ($poster_logo) {
        //$att = wp_get_attachment_image_src($poster_logo,'full');
        //$logo_img = $att[0];
        $logo_img = $poster_logo;
    } else {
        $site_logo = _cao('site_logo');
        if ($site_logo) {
            //$att = wp_get_attachment_image_src($site_logo,'full');
            //$logo_img = $att[0];
            $logo_img = _cao('site_logo');
        } else {
            $logo_img = '';
        }
    }
    $logo_img = imagecreatefromstring(file_get_contents(timthumb($logo_img, array('w' => 250, 'h' => 50), 'tim')));

    // 判断海报中是否生成二维码图片
    if ($qrcode_img) {
        $foot_text_width = imagettfbbox(20, 0, $chinese_font, $foot_text);
        $foot_text_width = abs($foot_text_width[2] - $foot_text_width[0]);
        $foot_text_left  = 200 - $foot_text_width / 2;
        imagecopy($im, $logo_img, 80, 930, 0, 0, 250, 50);
        imagettftext($im, 20, 0, $foot_text_left, 890, $foot_text_color, $chinese_font_2, $foot_text); // 网站描述文字（副标题）（源图像，字体大小，旋转角度，X轴坐标，Y轴坐标，字体颜色，字体文件，文本字符）
        $qrcode_str  = file_get_contents($qrcode_img);
        $qrcode_size = getimagesizefromstring($qrcode_str);
        $qrcode_img  = imagecreatefromstring($qrcode_str);
        imagecopyresized($im, $qrcode_img, 520, 800, 0, 0, 240, 240, $qrcode_size[0], $qrcode_size[1]); // 复制并重定义二维码尺寸（源图像，目标图像，源X轴，源Y轴，目标X轴，目标Y轴，宽度，高度）
    } else {
        $foot_text_width = imagettfbbox(20, 0, $chinese_font, $foot_text);
        $foot_text_width = abs($foot_text_width[2] - $foot_text_width[0]);
        $foot_text_left  = 400 - $foot_text_width / 2;
        imagecopy($im, $logo_img, 280, 950, 0, 0, 240, 50);
        imagettftext($im, 20, 0, $foot_text_left, 1240, $foot_text_color, $chinese_font_2, $foot_text);
    }
    // 上传生成的海报图片至指定文件夹
    $upload_dir = wp_upload_dir();
    $poster_dir = $upload_dir['basedir'] . '/posterimg';
    if (!is_dir($poster_dir)) {
        wp_mkdir_p($poster_dir);
    }
    $filename = '/poster-' . $post_id . '.png';
    $file     = $poster_dir . $filename;
    imagepng($im, $file);
    require_once ABSPATH . 'wp-admin/includes/image.php';
    require_once ABSPATH . 'wp-admin/includes/file.php';
    require_once ABSPATH . 'wp-admin/includes/media.php';
    //unlink($file);
    $src = $upload_dir['baseurl'] . '/posterimg' . $filename;
    error_reporting(0);
    imagedestroy($im);
    if (is_wp_error($src)) {
        return false;
    }
    return $src;
}

function _autu_post_haibao($post_id)
{
    $type = get_post_type($post_id);
    if ("post" == $type){
        delete_post_meta($post_id, 'bigger_cover');
    }
}
add_action('save_post', '_autu_post_haibao');


function get_bigger_img()
{
    $post_id = sanitize_text_field($_POST['id']);
    if (wp_verify_nonce($_POST['nonce'], 'mi-create-bigger-image-' . $post_id)) {
        get_the_time('d', $post_id);
        get_the_time('Y/m', $post_id);

        if (!_cao('autu_post_haibao',false)) {
            $this_bigger_cover = get_post_meta( $post_id, 'bigger_cover', true );
            if ($this_bigger_cover) {
                $msg = array('s' => 200, 'src' => $this_bigger_cover);
                echo json_encode($msg);exit(0);
            }
        }
        
        $date        = array('day' => get_the_time('d', $post_id), 'year' => get_the_time('Y/m', $post_id));
        $post_extend = get_post_meta($post_id, 'post_extend', true);
        $post_extend = wp_parse_args((array) $xz_data[$xz_k], array('bigger_head_img' => '', 'bigger_title' => '', 'bigger_desc' => ''));
        $post_title  = $post_extend['bigger_title'] ? $post_extend['bigger_title'] : get_the_title($post_id);
        $share_title = $post_extend['bigger_title'] ? $post_extend['bigger_title'] : get_the_title($post_id);

        // 增加作者、分类及更新日期
        $post_author_id   = get_post($post_id)->post_author;
        // $post_author      = $post_extend['bigger_author'] ? $post_extend['bigger_author'] : get_the_author_meta('display_name', $post_author_id);
        $post_cat_id      = get_the_category($post_id);
        $post_category    = $post_extend['bigger_category'] ? $post_extend['bigger_category'] : $post_cat_id[0]->cat_name;
        $post_modified_id = get_post($post_id)->post_modified;
        $post_modified    = $post_extend['bigger_modified'] ? $post_extend['bigger_modified'] : $post_modified_id;

        $title = substr_ext($post_title, 0, 28, 'utf-8', '');
        // 增加作者、分类及更新日期
        $author   = $post_author_id;
        $category = substr_ext($post_category, 0, 6, 'utf-8', '');
        $modified = substr_ext($post_modified, 0, 10, 'utf-8', '');
        //当前文章信息
        $post    = get_post($post_id);
        if ($post_extend['bigger_desc']) {
            $content = $post_extend['bigger_desc'];
        } else {
            $content = $post->post_excerpt ? $post->post_excerpt : $post->post_content;
        }
        $content       = substr_ext(strip_tags(strip_shortcodes($content)), 0, 46, 'utf-8', '...');
        $share_content = '【' . $share_title . '】' . substr_ext(strip_tags(strip_shortcodes($content)), 0, 120, 'utf-8', '');
        $content       = str_replace(PHP_EOL, '', strip_tags(apply_filters('the_excerpt', $content)));

        if ($post_extend['bigger_head_img']) {
            $att      = wp_get_attachment_image_src($post_extend['bigger_head_img'], 'full');
            $head_img = $att[0];
        } else {
            $head_img = _get_post_thumbnail_url($post);
        }
        
        // 获取海报底部二维码图片   是
        $base_link = get_the_permalink($post_id);
        // 判断登录用户id
        $userids = get_current_user_id();
        if ($userids>0) {
            // 生出带参数的推广文章链接
            $afflink = cao_get_referral_link($userids, $base_link);
        }else{
            $afflink = $base_link;
        }
        
        $qrcode_img = get_template_directory_uri() . '/inc/plugins/qrcode.php?data=' . $afflink;
        $result = create_bigger_image($post_id, $date, $title, $content, $head_img, $qrcode_img, $author, $category, $modified);
        if ($result) {
            $pic = '&pic=' . urlencode($result);
            if (get_post_meta($post_id, 'bigger_cover', true)) {
                update_post_meta($post_id, 'bigger_cover', $result);
            } else {
                add_post_meta($post_id, 'bigger_cover', $result);
            }
            $msg = array('s' => 200, 'src' => $result);
        } else {
            $msg = array('s' => 404, 'm' => '封面生成失败，请稍后再试！');
        }
    } else {
        $msg = array('s' => 404, 'm' => '图片地址404错误');
    }
    echo json_encode($msg);
    exit(0);
}

add_action('wp_ajax_nopriv_create-bigger-image', 'get_bigger_img');
add_action('wp_ajax_create-bigger-image', 'get_bigger_img');


// 分享文字处理END


function _excerpt_length($length)
{
    return _cao('_site_excerpt_length','42');
}
add_filter('excerpt_length', '_excerpt_length');

/**
 * [_get_excerpt 截取文章摘要]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:15:48+0800
 * @param    integer                  $limit [长度]
 * @param    string                   $after [description]
 * @return   [type]                          [description]
 */
function _get_excerpt($limit = 40, $after = '...')
{
    $excerpt = get_the_excerpt();
    $limit = _cao('_site_excerpt_length','42');
    if (mb_strlen($excerpt) > $limit) {
        return _str_cut(strip_tags($excerpt), 0, $limit, $after);
    } else {
        return $excerpt;
    }
}


/**
 * [_get_category_tags 获取文章标签 10条]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:20:43+0800
 * @param    [type]                   $args [description]
 * @return   [type]                         [description]
 */
function _get_category_tags($args)
{
    global $wpdb;
    $tags = $wpdb->get_results
        ("
        SELECT DISTINCT terms2.term_id as tag_id, terms2.name as tag_name
        FROM
            $wpdb->posts as p1
            LEFT JOIN $wpdb->term_relationships as r1 ON p1.ID = r1.object_ID
            LEFT JOIN $wpdb->term_taxonomy as t1 ON r1.term_taxonomy_id = t1.term_taxonomy_id
            LEFT JOIN $wpdb->terms as terms1 ON t1.term_id = terms1.term_id,

            $wpdb->posts as p2
            LEFT JOIN $wpdb->term_relationships as r2 ON p2.ID = r2.object_ID
            LEFT JOIN $wpdb->term_taxonomy as t2 ON r2.term_taxonomy_id = t2.term_taxonomy_id
            LEFT JOIN $wpdb->terms as terms2 ON t2.term_id = terms2.term_id
        WHERE
            t1.taxonomy = 'category' AND p1.post_status = 'publish' AND terms1.term_id IN (" . $args['categories'] . ") AND
            t2.taxonomy = 'post_tag' AND p2.post_status = 'publish'
            AND p1.ID = p2.ID
        ORDER by tag_name LIMIT 10
    ");
    $count = 0;

    if ($tags) {
        foreach ($tags as $tag) {
            $mytag[$count] = get_term_by('id', $tag->tag_id, 'post_tag');
            $count++;
        }
    } else {
        $mytag = null;
    }

    return $mytag;
}


/**
 * [_get_post_comments 文章评论]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:20:33+0800
 * @param    string                   $before [description]
 * @param    string                   $after  [description]
 * @return   [type]                           [description]
 */
function _get_post_comments($before = '<i class="fa fa-comments-o"></i> ', $after = '')
{
    return $before . get_comments_number('0', '1', '%') . $after;
}

/**
 * [_get_post_time 文章时间]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:18:48+0800
 * @return   [type]                   [description]
 */
function _get_post_time()
{
    // return (time() - strtotime(get_the_time('Y-m-d'))) > 86400 ? get_the_date() : get_the_time();
    return _timeago( get_gmt_from_date(get_the_time('Y-m-d G:i:s')) );
}


function cao_comment( $comment, $args, $depth ) {
  $GLOBALS['comment'] = $comment;

  if ( 'pingback' == $comment->comment_type || 'trackback' == $comment->comment_type ) : ?>

  <li id="comment-<?php comment_ID(); ?>" <?php comment_class(); ?>>
    <div class="comment-body">
      <?php esc_html_e( 'Pingback:', 'cao' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( esc_html__( '编辑', 'cao' ), '<span class="edit-link">', '</span>' ); ?>
    </div>

  <?php else : ?>

  <li id="comment-<?php comment_ID(); ?>" <?php comment_class( empty( $args['has_children'] ) ? '' : 'parent' ); ?>>
    <article id="div-comment-<?php comment_ID(); ?>" class="comment-wrapper u-clearfix" itemscope itemtype="https://schema.org/Comment">
      <div class="comment-author-avatar vcard">
        <?php echo get_avatar($comment->comment_author_email); ?>
      </div>

      <div class="comment-content">
        <div class="comment-author-name vcard" itemprop="author">
          <?php $CaoUser = new CaoUser($comment->user_id);
          if ($CaoUser->vip_status()) {
            $vip_name_class = 'fn vip';
          }else{
            $vip_name_class = 'fn';
          }
          printf( '<cite class="%s"><i class="fa fa-diamond"></i> %s</cite>',$vip_name_class ,$CaoUser->vip_name().' '.get_comment_author_link() );
          ?>
        </div>

        <div class="comment-metadata">
          <time datetime="<?php comment_time( 'c' ); ?>" itemprop="datePublished">
            <?php printf( _x( '%1$s at %2$s', '1: date, 2: time', 'cao' ), get_comment_date(), get_comment_time() ); ?>
          </time>

          <?php
            edit_comment_link( esc_html__( '编辑', 'cao' ), ' <span class="edit-link">', '</span>' );
            comment_reply_link( array_merge( $args, array(
              'add_below' => 'div-comment',
              'depth'     => $depth,
              'max_depth' => $args['max_depth'],
              'before'    => '<span class="reply-link">',
              'after'     => '</span>',
            ) ) );
          ?>
        </div>

        <div class="comment-body" itemprop="comment">
          <?php comment_text(); ?>
        </div>

        <?php if ( '0' == $comment->comment_approved ) : ?>
          <p class="comment-awaiting-moderation"><?php esc_html_e( '你的评论正在等待审核.', 'cao' ); ?></p>
        <?php endif; ?>
      </div>
    </article> <?php

  endif;
}


/**
 * [_paging 分页导航]
 * @Author   Dadong2g
 * @DateTime 2019-05-29T11:35:44+0800
 * @return   [type]                   [description]
 */
if (!function_exists('_paging')):

    function _paging()
    {
        global $wp_query;

        $total = $wp_query->max_num_pages;
        $big = 999999999;
        
        if ( $total > 1 ) {
          if ( ! $current_page = get_query_var( 'paged' ) ) {
            $current_page = 1;
          }
        
          if ( get_option( 'permalink_structure' ) ) {
            $format = 'page/%#%/';
          } else {
            $format = '&paged=%#%';
          }
        
          echo '<div class="col-12"><div class="numeric-pagination">';
          echo paginate_links( array(
            'base'      => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
            'format'    => $format,
            'current'   => max( 1, get_query_var( 'paged' ) ),
            'total'     => $total,
            'mid_size'  => 3,
            'type'      => 'list',
            'prev_text' => '<i class="mdi mdi-chevron-left"></i>',
            'next_text' => '<i class="mdi mdi-chevron-right"></i>',
          ) );
          echo '</div></div>';
        }
    }

endif;



/**
 * [cao_the_pagenavi 分页自定义]
 * @Author   Dadong2g
 * @DateTime 2019-06-06T09:58:21+0800
 * @param    [type]                   $total_count     [总数]
 * @param    integer                  $number_per_page [每页数量]
 * @param    integer                  $paged           [当前页数]
 * @param    [type]                   $the_url         [当前页面]
 * @return   [type]                                    [htm]
 */
function cao_the_pagenavi($total_count, $number_per_page=15,$paged,$the_url){

    $current_page = $paged;
    $base_url = add_query_arg($_GET,$the_url);
    $total_pages    = ceil($total_count/$number_per_page);

    $first_page_url = $base_url.'&amp;paged=1';
    $last_page_url  = $base_url.'&amp;paged='.$total_pages;
    if($current_page > 1 && $current_page < $total_pages){
        $prev_page      = $current_page-1;
        $prev_page_url  = $base_url.'&amp;paged='.$prev_page;

        $next_page      = $current_page+1;
        $next_page_url  = $base_url.'&amp;paged='.$next_page;
    }elseif($current_page == 1){
        $prev_page_url  = '#';
        $first_page_url = '#';
        if($total_pages > 1){
            $next_page      = $current_page+1;
            $next_page_url  = $base_url.'&amp;paged='.$next_page;
        }else{
            $next_page_url  = '#';
            $class = 'class="disabled"';
        }
    }elseif($current_page == $total_pages){
        $prev_page      = $current_page-1;
        $prev_page_url  = $base_url.'&amp;paged='.$prev_page;
        $next_page_url  = '#';
        $last_page_url  = '#';
    }
    ?>
    <div class="cao-pagination pagination-area">
        <nav aria-label="Page navigation">
          <ul class="pagination cao-pagination">
            <!-- <li><span>共<?php //echo $total_count;?>条</span></li> -->
            <li>
              <a href="<?php echo $first_page_url;?>" aria-label="Previous">
                <span aria-hidden="true">&laquo;</span>
              </a>
            </li>
            <li><a href="<?php echo $prev_page_url;?>">上一页</a></li>
            <li><span>第<?php echo $current_page;?>页,共<?php echo $total_pages; ?>页</span></li>
            <li><a href="<?php echo $next_page_url;?>">下一页</a></li>
            <li>
              <a href="<?php echo $last_page_url;?>" aria-label="Next">
                <span aria-hidden="true">&raquo;</span>
              </a>
            </li>
          </ul>
        </nav>

    </div>
    <?php
}


function cao_admin_pagenavi($total_count, $number_per_page = 20)
{

    $current_page = isset($_GET['paged']) ? $_GET['paged'] : 1;

    if (isset($_GET['paged'])) {
        unset($_GET['paged']);
    }

    $base_url = add_query_arg($_GET, admin_url('admin.php'));

    $total_pages = ceil($total_count / $number_per_page);

    $first_page_url = $base_url . '&amp;paged=1';
    $last_page_url  = $base_url . '&amp;paged=' . $total_pages;

    if ($current_page > 1 && $current_page < $total_pages) {
        $prev_page     = $current_page - 1;
        $prev_page_url = $base_url . '&amp;paged=' . $prev_page;

        $next_page     = $current_page + 1;
        $next_page_url = $base_url . '&amp;paged=' . $next_page;
    } elseif ($current_page == 1) {
        $prev_page_url  = '#';
        $first_page_url = '#';
        if ($total_pages > 1) {
            $next_page     = $current_page + 1;
            $next_page_url = $base_url . '&amp;paged=' . $next_page;
        } else {
            $next_page_url = '#';
        }
    } elseif ($current_page == $total_pages) {
        $prev_page     = $current_page - 1;
        $prev_page_url = $base_url . '&amp;paged=' . $prev_page;
        $next_page_url = '#';
        $last_page_url = '#';
    }
    ?>
    <div class="tablenav">
        <div class="tablenav-pages">
            <span class="displaying-num ">每页 <?php echo $number_per_page; ?> 共 <?php echo $total_count; ?></span>
            <span class="pagination-links">
                <a class="first-page button <?php if ($current_page == 1) {
        echo 'disabled';
    }
    ?>" title="前往第一页" href="<?php echo $first_page_url; ?>">«</a>
                <a class="prev-page button <?php if ($current_page == 1) {
        echo 'disabled';
    }
    ?>" title="前往上一页" href="<?php echo $prev_page_url; ?>">‹</a>
                <span class="paging-input ">第 <?php echo $current_page; ?> 页，共 <span class="total-pages"><?php echo $total_pages; ?></span> 页</span>
                <a class="next-page button <?php if ($current_page == $total_pages) {
        echo 'disabled';
    }
    ?>" title="前往下一页" href="<?php echo $next_page_url; ?>">›</a>
                <a class="last-page button <?php if ($current_page == $total_pages) {
        echo 'disabled';
    }
    ?>" title="前往最后一页" href="<?php echo $last_page_url; ?>">»</a>
            </span>
        </div>
        <br class="clear">
    </div>
    <?php
}



// 下载管理
// 

// 添加路由重写，每次修改完记得在wp-admin后台“设置”-》“固定链接”=》“保存”才能生效
add_action('init', 'go_functionality_urls');
function go_functionality_urls()
{
    add_rewrite_rule('^go', 'index.php?go=1', 'top');
}

// 添加下载路由 go
add_action('query_vars', 'go_add_query_vars');
function go_add_query_vars($public_query_vars)
{
    $public_query_vars[] = 'go';
    return $public_query_vars;
}


//下载路由模板载入规则 shangche
add_action("template_redirect", 'go_template_redirect');
function go_template_redirect()
{
    global $wp;
    global $wp_query;
    $shangche_page     = strtolower(get_query_var('go')); //转换为小写
    if ($shangche_page == '1') {
        $template = TEMPLATEPATH . '/inc/go.php';
        load_template($template);
        exit;
    }
}

// 下载文件缓存
function _download_file($file_dir)
{
    // 远程文件异步下载 直接跳转URL
    if (substr($file_dir, 0, 7) == 'http://' || substr($file_dir, 0, 8) == 'https://' || substr($file_dir, 0, 10) == 'thunder://' || substr($file_dir, 0, 7) == 'magnet:' || substr($file_dir, 0, 5) == 'ed2k:') {
        $file_path = chop($file_dir);
        echo "<script type='text/javascript'>window.location='$file_path';setTimeout(function(){window.close()},2000)</script>";
        exit;
    }
    // 本地缓冲下载文件
    $file_dir = ABSPATH . '/' . chop($file_dir);
    if (!file_exists($file_dir)) {
        header('HTTP/1.1 404 NOT FOUND');
        return false;
    }
    $pathinfoarr = pathinfo($file_dir);
    $file_name = time().mt_rand(1000,9999).'.'.$pathinfoarr['extension'];
    //以只读和二进制模式打开文件
    $file = fopen ( $file_dir,"rb" );
    header('Content-Description: File Transfer');
    //告诉浏览器这是一个文件流格式的文件
    Header ( "Content-type: application/octet-stream" );
    //请求范围的度量单位
    Header ( "Accept-Ranges: bytes" );
    //Content-Length是指定包含于请求或响应中数据的字节长度
    Header ( "Accept-Length: " . filesize ( $file_dir ) );
    //用来告诉浏览器，文件是可以当做附件被下载，下载后的文件名称为$file_name该变量的值。
    Header ( "Content-Disposition: attachment; filename=" . $file_name );
    //读取文件内容并直接输出到浏览器    
    echo fread ( $file, filesize ( $file_dir) );
    fclose ( $file );
    exit();
}



/**
 * [cao_get_referral_link 生成推广链接]
 * @Author   Dadong2g
 * @DateTime 2019-06-11T16:43:08+0800
 * @param    integer                  $user_id   [description]
 * @param    string                   $base_link [description]
 * @return   [type]                              [description]
 */
function cao_get_referral_link($user_id = 0, $base_link = ''){
    if(!$base_link) $base_link = home_url();
    if(!$user_id) $user_id = get_current_user_id();
    return add_query_arg(array('ref' => $user_id), $base_link);
}


/**
 * [cao_retrieve_referral_keyword 捕获链接中的推广者]
 * @Author   Dadong2g
 * @DateTime 2019-06-11T16:45:37+0800
 * @return   [type]                   [description]
 */
function cao_retrieve_referral_keyword() {
    session_start();
    $ref_from = (isset($_SESSION['cao_from_user_id'])) ? absint($_SESSION['cao_from_user_id']) : 0 ;
    if(isset($_REQUEST['ref']) && $ref_from==0) {
        $ref = absint($_REQUEST['ref']);
        $from_user_id = $ref;
        $_SESSION['cao_from_user_id'] = $from_user_id;
    }
    // return $ref;
}
add_action('template_redirect', 'cao_retrieve_referral_keyword');
add_action('admin_menu', 'cao_retrieve_referral_keyword');




// 关注用户
function _cao_add_follow_user($uid='',$to_uid='')
{
    $_meta_key ='follow_user';

    if (get_userdata( $to_uid )==false ) return 'false';
    
    $old_follow = get_user_meta($uid,$_meta_key,true) ; # 获取...

    if (is_array($old_follow)) {
        $new_follow = $old_follow;
    }else{
        $new_follow = array(0);
    }
    if (!in_array($to_uid, $new_follow)){
        // 新关注 开始处理
        array_push($new_follow,$to_uid);
    }
    return update_user_meta($uid,$_meta_key,$new_follow);
}



// 取消关注
function _cao_del_follow_user($uid='',$to_uid='')
{
    $_meta_key ='follow_user';
    if (get_userdata( $to_uid )==false ) return false;
    $follow_users = get_user_meta($uid,$_meta_key,true) ; # 获取...
    if (!is_array($follow_users)) {
        return false;
    }
    if (!in_array($to_uid, $follow_users)){
       return false;
    }
    foreach ($follow_users as $key => $user_id) {
        if ($user_id == $to_uid) {
            unset($follow_users[$key]);
            break;
        }
    }
    return update_user_meta($uid,$_meta_key,$follow_users);
}



// 收藏文章
function _cao_add_follow_post($uid='',$to_post='')
{
    $_meta_key ='follow_post';
    $to_post= (int)$to_post;
    if (get_post_status($to_post)===false) return 'false';
    
    $old_follow = get_user_meta($uid,$_meta_key,true) ; # 获取...

    if (is_array($old_follow)) {
        $new_follow = $old_follow;
    }else{
        $new_follow = array(0);
    }
    if (!in_array($to_post, $new_follow)){
        // 新关注 开始处理
        array_push($new_follow,$to_post);
    }
    return update_user_meta($uid,$_meta_key,$new_follow);
}

function is_get_post_fav($post_id)
{
    $user_id = get_current_user_id();
    if (!$user_id) {
        return false;
    }
    $old_follow = get_user_meta($user_id,'follow_post',true) ; # 获取...
 	if (empty($old_follow) || !is_array($old_follow)) {
        return false;
    }
    if (in_array($post_id, $old_follow)){
        return true;
    }else{
        return false;
    }
}


// 取消收藏文章
function _cao_del_follow_post($uid='',$to_post='')
{
    $_meta_key ='follow_post';
    $to_post= (int)$to_post;
    if (get_post_status($to_post)===false) return 'false';
    $follow_users = get_user_meta($uid,$_meta_key,true) ; # 获取...
    if (!is_array($follow_users)) {
        return false;
    }
    if (!in_array($to_post, $follow_users)){
       return false;
    }
    foreach ($follow_users as $key => $user_id) {
        if ($user_id == $to_post) {
            unset($follow_users[$key]);
            break;
        }
    }
    return update_user_meta($uid,$_meta_key,$follow_users);
}


// 收藏文章
function _cao_user_is_qiandao($users_id=0)
{
    global $current_user;
    if (!is_user_logged_in()) {
        return false;
    }
    $uid = (!$users_id) ? $current_user->ID : $users_id;

    $_meta_key ='cao_qiandao_time';

    // 会员当前签到时间
    $this_user_qiandao_time = (get_user_meta($uid, $_meta_key, true) > 0) ? get_user_meta($uid, $_meta_key, true) : 0;
    
    // 自动更新时间
    $getTime  = getTime();
    $thenTime = time();
    // 获取用户结束时间
    if ( $getTime['star'] < $this_user_qiandao_time && $getTime['end'] > $this_user_qiandao_time ) {
        return true;
    }
    return false;
}





// 发放充值佣金 根据当前用户计算推荐人
function add_to_user_bonus($this_user_id =0,$charge_money=0)
{
    if (!$this_user_id || !_cao('is_charge_ref_float',false)) {
        return false;
    }
    // 查询上级id
    $form_uid = get_user_meta($this_user_id, 'cao_ref_from', true);
    $cao_ref_from_uid = ($form_uid) ? (int)$form_uid : 0 ;
    $charge_rate  = (int) _cao('site_change_rate'); //充值比例
    // 有推介人 发放
    if ($cao_ref_from_uid) {
        //计算应发金额  获取后台佣金比例
        $site_novip_ref_float = _cao('site_novip_ref_float');
        $site_vip_ref_float = _cao('site_vip_ref_float');
        $CaoUser = new CaoUser($cao_ref_from_uid);
        if ($CaoUser->vip_status()) {
            $amount = sprintf('%0.2f', $charge_money*$site_vip_ref_float/$charge_rate);
        }else{
            $amount = sprintf('%0.2f', $charge_money*$site_novip_ref_float/$charge_rate);
        }
        // 
        $Reflog = new Reflog($cao_ref_from_uid);
        $Reflog->add_total_bonus($amount); //添加佣金 .
    }
    return;
}

// 发放作者佣金 文章作者奖励
function add_post_author_bonus($author_id =0,$pay_price=0)
{
    if (!$author_id || !_cao('site_postpay_ref_float',false)) {
        return false;
    }
    // 查询汇率
    $charge_rate  = (int) _cao('site_change_rate'); //充值比例
    $charge_ref_float  = _cao('site_postpay_ref_float'); //当前分红比例
    $charge_money = sprintf('%0.2f', $pay_price / $charge_rate); // 换算RMB
    $yongjin = sprintf('%0.2f', $charge_money * $charge_ref_float);
    // 有推介人 发放
    $Reflog = new Reflog($author_id);
    $Reflog->add_total_bonus($yongjin); //添加佣金 .
    return;
}


// 筛选条件 搜索框
// 
function cao_only_selected_category($query)
{
    //is_search判断搜索页面  !is_admin排除后台  $query->is_main_query()只影响主循环
    if (!is_admin() && $query->is_main_query()) {
        // 排序：
        $order = !empty($_GET['order']) ? $_GET['order'] : null;
        $cat      = !empty($_GET['cat']) ? (int) $_GET['cat'] : null;
        $cao_type = !empty($_GET['cao_type']) ? (int) $_GET['cao_type'] : null;
        $custom_meta_arr = !empty($_GET) ? $_GET : null;

        if ($order) {
            if ($order == 'hot') {
                $query->set( 'meta_key', 'views' );
                $query->set( 'orderby', 'meta_value_num');
                $query->set( 'order', 'DESC' );
            }else{
                $query->set('orderby', $order);
            }
        }
        //有cat值传入
        if ($cat) {
            $term_id = (int) $cat;
            $tax_query = array(
                array(
                    'taxonomy' => 'category', //可换为自定义分类法
                    'field'    => 'term_id',
                    'operator' => 'IN',
                    'terms'    => array($term_id),
                ),
            );
            $query->set('tax_query', $tax_query);
        }

        $custom_meta_query =  array();
        if ($cao_type) {
            switch ($cao_type) {
                case '1':
                    $_type_meta_key = 'cao_price';
                    $_type_value = '0';
                    $_type_compare = '=';
                    break;
                case '2':
                    $_type_meta_key = 'cao_price';
                    $_type_value = '0';
                    $_type_compare = '>';
                    break;
                case '3':
                    $_type_meta_key = 'cao_vip_rate';
                    $_type_value = '0';
                    $_type_compare = '=';
                    break;
                case '4':
                    $_type_meta_key = 'cao_vip_rate';
                    $_type_value = '1';
                    $_type_compare = '!=';
                    break;
                default:
                    break;
            }

            $type_meta_query =  array(
                array(
                    'key'     => $_type_meta_key,
                    'value'   => $_type_value,
                    'compare' => $_type_compare,
                )
            );
            array_push($custom_meta_query,$type_meta_query);
        }
 
        if ($custom_meta_arr && _cao('is_custom_post_meta_opt', '0') && _cao('custom_post_meta_opt', '0')) {
            $custom_post_meta_opt = _cao('custom_post_meta_opt', '0');
            foreach ($custom_post_meta_opt as $filter) {
                $_meta_key = $filter['meta_ua'];
                if(array_key_exists($_meta_key,$custom_meta_arr) && $_GET[$_meta_key] != 'all'){
                     $opt_meta_query =  array(
                        array(
                            'key'     => $_meta_key,
                            'value'   => $_GET[$_meta_key],
                            'compare' => '=',
                        )
                    );
                    array_push($custom_meta_query,$opt_meta_query);
                }
            }
            
        }

        $query->set('meta_query', $custom_meta_query);

    }
    return $query;
}
add_filter('pre_get_posts', 'cao_only_selected_category');




//投稿者也可上传图片
if (_cao('is_all_publish_posts',false)) {
    if ( current_user_can('contributor') && !current_user_can('upload_files') )
      add_action('admin_init', 'allow_contributor_uploads');

    function allow_contributor_uploads() {
      $contributor = get_role('contributor');
      $contributor->add_cap('upload_files');
    }
}


/**
 * [dimox_breadcrumbs 面包屑导航]
 * @Author   Dadong2g
 * @DateTime 2019-10-25T20:59:35+0800
 * @return   [type]                   [修复附件页面报错问题]
 */
function dimox_breadcrumbs() {
    global $post;
    if (is_single() && !_cao('is_archive_crumbs') && !is_attachment()) {
        $categorys = get_the_category();
        $category = $categorys[0];
        return '当前位置：<a href="'.get_bloginfo('url').'">'.get_bloginfo('name').'</a> <small>></small> '.get_category_parents($category->term_id, true, ' <small>></small> ').get_the_title();
    }elseif (is_attachment()) {
        $parent = get_post($post->post_parent);
        $cat = get_the_category($parent->ID);
        if (!$cat) {
            return false; 
        }
        $cat = $cat[0];
        return '当前位置：<a href="'.get_bloginfo('url').'">'.get_bloginfo('name').'</a> <small>></small> '.get_category_parents($cat->term_id, true, ' <small>></small> ').get_the_title();
    }else{
       return false; 
    }
}


//发送html格式邮件
function _sendMail($email, $title, $message)
{
    if (!_cao('mail_smtps')) {
        return false;
    }
    $headers    = array('Content-Type: text/html; charset=UTF-8');
    $message = tpl_email_html($email, $title, $message);
    $send_email = wp_mail($email, $title, $message, $headers);
    if ($send_email) {
        return true;
    }
    return false;
}
//html格式邮件
function tpl_email_html($user, $title, $desc)
{
    date_default_timezone_set('Asia/Shanghai');
    $html = '<div style="background-color:#eef2fa;border:1px solid #d8e3e8;color: #111;padding:0 15px;-moz-border-radius:5px;-webkit-border-radius:5px;-khtml-border-radius:5px;">';
    $html .= '<p style="font-weight: bold;color: #2196F3;font-size: 18px;">'.$title.'</p>';
    $html .= sprintf("<p>您好，%s</p>", $user);
    $html .= sprintf("<p>内容: %s</p>", $desc);
    $html .= sprintf("<p>时间: %s</p>", date("Y-m-d H:i:s"));
    $a_href = '<a href="'.home_url().'">'.get_bloginfo('name').'</a>';
    $html .= sprintf("<p>官网： %s</p>", $a_href);
    $html .= '</div>';
    return $html;
}




/**
 * [_target_blank 链接新窗口打开]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:28:35+0800
 * @return   [type]                   [description]
 */
function _target_blank()
{
    return _cao('target_blank') ? ' target="_blank"' : '';
}




/** 
 * 在 WordPress 编辑器添加“下一页”按钮 
 */  
add_filter('mce_buttons','wp_add_next_page_button');  
function wp_add_next_page_button($mce_buttons) {  
    $pos = array_search('wp_more',$mce_buttons,true);  
    if ($pos !== false) {  
        $tmp_buttons = array_slice($mce_buttons, 0, $pos+1);  
        $tmp_buttons[] = 'wp_page';  
        $mce_buttons = array_merge($tmp_buttons, array_slice($mce_buttons, $pos+1));  
    }  
    return $mce_buttons;  
}  


/**
 * [_the_ads 自定义广告代码]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:14:38+0800
 * @param    string                   $name  [description]
 * @param    string                   $class [description]
 * @return   [type]                          [description]
 */
function _the_cao_ads($name = '', $class = '')
{
    if (!_cao($name . '_s')) {
        return;
    }
    echo '<div class="site-ads ads-' . $class . '">' . _cao($name) . '</div>';
}


/**
 * [getTime 获取今天的开始和结束时间]
 * @Author   Dadong2g
 * @DateTime 2019-05-28T12:25:26+0800
 * @return   [type]                   [description]
 */
function getTime()
{
    $str          = date("Y-m-d", time()) . "0:0:0";
    $data["star"] = strtotime($str);
    $str          = date("Y-m-d", time()) . "24:00:00";
    $data["end"]  = strtotime($str);
    return $data;
}


/**
 * [cao_vip_downum 当前会员下载次数限制]
 * @Author   Dadong2g
 * @DateTime 2019-12-08T00:38:51+0800
 * @param    string                   $users_id   [description]
 * @param    boolean                  $users_type [description]
 * @return   [type]                               [description]
 */
function cao_vip_downum($users_id = '',$users_type = false)
{
    global $current_user;
    if (!is_user_logged_in()) {
        return 0;
    }
    $uid = (!$users_id) ? $current_user->ID : $users_id;
    // 会员当前下载结束时间
    $this_vip_downend_time = (get_user_meta($uid, 'cao_vip_downend_time', true) > 0) ? get_user_meta($uid, 'cao_vip_downend_time', true) : 0;
    // 会员当前下载次数
    $this_vip_downum = (get_user_meta($uid, 'cao_vip_downum', true) > 0) ? get_user_meta($uid, 'cao_vip_downum', true) : 0;
    // 自动更新下载时间
    $getTime  = getTime();
    $thenTime = time();
    // 获取用户结束时间
    
    // 当用时间为0 时候 初始化时间为今天开始时间 OR 当前时间大于结束时间 刷新新时间
    if ($this_vip_downend_time = 0 || intval($thenTime) > intval($this_vip_downend_time)) {
        update_user_meta($uid, 'cao_vip_downend_time', $getTime['end']); //更新用户本次到期时间
        update_user_meta($uid, 'cao_vip_downum', 0); //更新用户本次到期时间
    }

    if ($users_type) {
        if (is_boosvip_status($uid)) {
            $over_down_num = (_cao('is_boosvip_down_num')) ? intval(_cao('boosvip_down_num','100')) - intval($this_vip_downum) : 999 ;
        }else{
            $over_down_num = (_cao('is_vip_down_num')) ? intval(_cao('vip_down_num','10')) - intval($this_vip_downum) : 999 ;
        }
    } else{
        $over_down_num = (_cao('is_novip_down_num')) ? intval(_cao('novip_down_num','10')) - intval($this_vip_downum) : 999 ;
        if ($over_down_num<0) {
            $over_down_num =0;
        }
    }

    $is_down = ($over_down_num <= 0) ? false : true;

    $data = array(
        'is_down'           => $is_down, //是否可以下载
        'today_down_num'    => $this_vip_downum, //当前已下载次数
        'over_down_num'     => $over_down_num, //剩余下载次数
        'over_down_endtime' => $getTime['end'], // 下次下载次数更新时间
    );

    return $data;
}

/**
 * [get_category_root_id description]
 * @Author   Dadong2g
 * @DateTime 2019-08-15T09:57:46+0800
 * @param    [type]                   $cat [description]
 * @return   [type]                        [通过子分类id获取父分类id]
 */
function get_category_root_id($cat)
{
    $this_category = get_category($cat); // 取得当前分类
    while ($this_category->category_parent) // 若当前分类有上级分类时，循环
    {
        $this_category = get_category($this_category->category_parent); // 将当前分类设为上级分类（往上爬）
    }
    return $this_category->term_id; // 返回根分类的id号
}


function get_category_deel($cat)
{
    
    $categories = get_terms('category', array('hide_empty' => 0,'parent' => 0));//获取所有主分类
    $get_term_children = get_term_children($cat_ID, 'category'); //获取当前分类的子分类
}



/**
 * [is_boosvip_status description]
 * @Author   Dadong2g
 * @DateTime 2019-08-16T10:29:40+0800
 * @param    [type]                   $user_id [description]
 * @return   boolean                           [是否永久会员]
 */
function is_boosvip_status($user_id)
{
    $vip_type     = get_user_meta($user_id, 'cao_user_type', true);
    $vip_end_date = get_user_meta($user_id, 'cao_vip_end_time', true);
    if ($vip_type == 'vip' && $vip_end_date == '9999-09-09') {
        return true;
    }
    return false;
}


/**
 * [_timeago 时间显示几分钟 几天优化]
 * @Author   Dadong2g
 * @DateTime 2019-09-05T16:19:41+0800
 * @param    [type]                   $time [时间]
 * @return   [type]                         [description]
 */
function _timeago($time) {
    date_default_timezone_set ('ETC/GMT');  
    $time = strtotime($time);
    $difference = time() - $time; 
    if (!_cao('post_is_timeago','1')) {
        return date('Y-m-d',$time);
    }
    switch ($difference) { 
        case $difference <= '1' :
            $msg = '刚刚';
            break; 
        case $difference > '1' && $difference <= '60' :
            $msg = floor($difference) . '秒前';
            break; 
        case $difference > '60' && $difference <= '3600' :
            $msg = floor($difference / 60) . '分钟前';
            break;
         case $difference > '3600' && $difference <= '86400' :
            $msg = floor($difference / 3600) . '小时前';
            break; 
        case $difference > '86400' && $difference <= '2592000' :
            $msg = floor($difference / 86400) . '天前';
            break; 
        case $difference > '2592000':
            $msg = ''.date('Y-m-d',$time).'';
            break;
    } 
    return $msg;
}


// GET URL
function get_url_contents($url)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_TIMEOUT, 60);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    curl_setopt($ch, CURLOPT_URL, $url);
    $result = curl_exec($ch);
    if ($result === false) {
        echo 'Curl error: ' . curl_error($ch);
    }
    curl_close($ch);
    return $result;
}


/**
 * [reset_password_message 修复WordPress找回密码提示“抱歉，该key似乎无效”问题解决找回密码链接无效问题]
 * @Author   Dadong2g
 * @DateTime 2019-10-26T19:16:15+0800
 * @param    [type]                   $message [description]
 * @param    [type]                   $key     [description]
 * @return   [type]                            [description]
 */
function reset_password_message($message, $key)
{
    if (strpos($_POST['user_login'], '@')) {
        $user_data = get_user_by('email', trim($_POST['user_login']));
    } else {
        $login     = trim($_POST['user_login']);
        $user_data = get_user_by('login', $login);
    }
    $user_login = $user_data->user_login;
    $msg        = __('有人要求重设如下帐号的密码：') . "\r\n\r\n";
    $msg .= network_site_url() . "\r\n\r\n";
    $msg .= sprintf(__('用户名：%s'), $user_login) . "\r\n\r\n";
    $msg .= __('若这不是您本人要求的，请忽略本邮件，一切如常。') . "\r\n\r\n";
    $msg .= __('要重置您的密码，请打开下面的链接：') . "\r\n\r\n";
    $msg .= network_site_url("wp-login.php?action=rp&key=$key&login=" . rawurlencode($user_login), 'login');
    return $msg;
}
add_filter('retrieve_password_message', 'reset_password_message', null, 2);

/**
 * [ripro_custom_login_img 更换wordpress默认登录页面LOGO]
 * @Author   Dadong2g
 * @DateTime 2019-11-17T20:48:54+0800
 * @return   [type]                   [description]
 */
function ripro_custom_login_img()
{
    echo '<style type="text/css">
h1 a {background-image: url(' . _cao( 'site_logo') . ') !important; height: 50px !important;width: 150px !important;background-size: 150px !important;}
</style>';
}
add_action('login_head', 'ripro_custom_login_img');

/**
 * [custom_loginlogo_url 修改wordpress自带注册登陆页面链接]
 * @Author   Dadong2g
 * @DateTime 2019-11-17T20:55:29+0800
 * @param    [type]                   $url [description]
 * @return   [type]                        [description]
 */
function ripro_custom_loginlogo_url($url)
{
    return get_bloginfo('url');
}
add_filter('login_headerurl', 'ripro_custom_loginlogo_url');

/**
 * [is_site_shop_open 网站商城等功能开关]
 * @Author   Dadong2g
 * @DateTime 2019-11-17T21:16:38+0800
 * @return   boolean                  [description]
 */
function is_site_shop_open()
{
    $is_close_site_shop = _cao('close_site_shop','0');
    return !$is_close_site_shop;
}


/**
 * [get_client_ip 获取用户访问IP]
 * @Author   Dadong2g
 * @DateTime 2019-12-25T14:49:54+0800
 * @return   [type]                   [description]
 */
function get_client_ip()
{
    if ($_SERVER["HTTP_CLIENT_IP"] && strcasecmp($_SERVER["HTTP_CLIENT_IP"], "unknown")) {
        $ip = $_SERVER["HTTP_CLIENT_IP"];
    } else {
        if ($_SERVER["HTTP_X_FORWARDED_FOR"] && strcasecmp($_SERVER["HTTP_X_FORWARDED_FOR"], "unknown")) {
            $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
        } else {
            if ($_SERVER["REMOTE_ADDR"] && strcasecmp($_SERVER["REMOTE_ADDR"], "unknown")) {
                $ip = $_SERVER["REMOTE_ADDR"];
            } else {
                if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'],
                        "unknown")
                ) {
                    $ip = $_SERVER['REMOTE_ADDR'];
                } else {
                    $ip = "unknown";
                }
            }
        }
    }
    return ($ip);
}
