wp清理

get('Version'));

//define('UNIFY_URL', get_template_directory_uri());//主题模式
//define('UNIFY_URL', get_template_directory_uri());//子主题模式
define('UNIFY_URL', get_template_directory_uri());//插件模式

/**
 * 后台净化
 *
*/
/* ------------------------------------------------------ */
// Remove help and screen context & Options 移除控制台中的【帮助】和【屏幕选项】
// http://wordpress.stackexchange.com/questions/73561/how-to-remove-all-widgets-from-dashboard
add_filter( 'contextual_help', 'wpse_25034_remove_dashboard_help_tab', 999, 3 );
add_filter( 'screen_options_show_screen', 'wpse_25034_remove_help_tab' );
 
function wpse_25034_remove_dashboard_help_tab( $old_help, $screen_id, $screen )
{
    if( 'dashboard' != $screen->base )
    return $old_help;
    $screen->remove_help_tabs();
    return $old_help;
}
 
function wpse_25034_remove_help_tab( $visible )
{
    global $current_screen;
    if( 'dashboard' == $current_screen->base )
    return false;
    return $visible;
}
/* ------------------------------------------------------ */
/* ------------------------------------------------------ */
// Disable the Admin Bar.移除 WordPress 网站的管理工具条
// From: http://yoast.com/disable-wp-admin-bar/
add_filter( 'show_admin_bar', '__return_false' );
 
function sp_hide_admin_bar_settings()
{
    ?>display_name;
    $logout = wp_logout_url("/");
 
    if(is_user_logged_in())
    {
        echo '';
        echo "";
    }
 
    if ( current_user_can('edit_post'))
    {
        edit_post_link(" Edit Page","
 $displayName logged in |  Log Out |  Dashboard | ","
");
        ?>
 $displayName logged in |  Log Out";
        ?>

    .toplevel_page_better-wp-security .side, #w3tc-dashboard-widgets, #wpseo_content_top + .postbox-container {display:none;}
    ';
}
/* ------------------------------------------------------ */
/* ------------------------------------------------------ */
/* Convert absolute URLs in content to site relative ones将你的WordPress网站中的文章和页面的域名，从绝对网址转换为相对网址，代码来自Thisismyurl.com：
Inspired by http://thisismyurl.com/6166/replace-wordpress-static-urls-dynamic-urls/
*/
function sp_clean_static_url($content) {
    $thisURL = get_bloginfo('url');
    $stuff = str_replace(' src=\"'.$thisURL, ' src=\"', $content );
    $stuff = str_replace(' href=\"'.$thisURL, ' href=\"', $stuff );
    return $stuff;
}
add_filter('content_save_pre','sp_clean_static_url','99');
/* ------------------------------------------------------ */
/* ------------------------------------------------------ */
// Add confirmation dialogue box when publishing posts/pages发布文章和页面时，添加确认框
// https://gist.github.com/plasticmind/4337952
/* = Add a "molly guard" to the publish button */
 
add_action( 'admin_print_footer_scripts', 'sr_publish_molly_guard' );
function sr_publish_molly_guard() {
    echo "
    
    ";
}
/* ------------------------------------------------------ */
// ------------------------------------------------------------------------------
// Include Featured Image & Add Link Back To Original Post添加特色图片，并在RSS feed中链接回原文
// http://www.paulund.co.uk/7-tips-to-improve-your-wordpress-rss-feed
// ------------------------------------------------------------------------------
function feed_copyright_disclaimer($content) {
    global $post;
    if(has_post_thumbnail($post->ID)) {
        $featuredImage = '
' . get_the_post_thumbnail($post->ID,"medium-large").'
';
    }
    $content = $featuredImage."
".get_the_excerpt()."
".'
Read all of this article on the website.
';
    return $content;
}
 
add_filter('the_excerpt_rss','feed_copyright_disclaimer');
add_filter('the_content_feed','feed_copyright_disclaimer');
// ------------------------------------------------------------------------------
/* ------------------------------------------------------ */
// Filter to replace the shortcode text with HTML5 compliant code让WordPress中的图片说明支持HTML5和响应式设计
// http://codex.wordpress.org/Function_Reference/add_filter
function my_img_caption_shortcode_filter($val, $attr, $content = null)
{
    extract(shortcode_atts(array(
    'id' => '',
    'align' => '',
    'width' => '',
    'caption' => ''
    ), $attr));
 
    if ( 1 > (int) $width || empty($caption) )
        return $val;
 
    $capid = '';
    if ( $id ) {
        $id = esc_attr($id);
        $capid = 'id="figcaption_'. $id . '" ';
        $id = 'id="' . $id . '" aria-labelledby="figcaption_' . $id . '" ';
    }
 
    return '
'
    . do_shortcode( $content ) . '
' . $caption . '
';
}
 
add_filter('img_caption_shortcode', 'my_img_caption_shortcode_filter',10,3);
/* ------------------------------------------------------ */
add_filter('content_save_pre', 'auto_save_image');
function auto_save_image($content) {
    $upload_path = '';
    $upload_url_path = get_bloginfo('url');
    //上传目录
    if (($var = get_option('upload_path')) !=''){
        $upload_path = $var;
    } else {
        $upload_path = 'wp-content/uploads';
    }
    if(get_option('uploads_use_yearmonth_folders')) {
        $upload_path .= '/'.date("Y",time()).'/'.date("m",time());
    }
    //文件地址
    if(($var = get_option('upload_url_path')) != '') {
        $upload_url_path = $var;
    } else {
        $upload_url_path = bloginfo('url');
    }
    if(get_option('uploads_use_yearmonth_folders')) {
        $upload_url_path .= '/'.date("Y",time()).'/'.date("m",time());
    }
    require_once ("../wp-includes/class-snoopy.php");
    $snoopy_Auto_Save_Image = new Snoopy;
    $img = array();
    //以文章的标题作为图片的标题
    if ( !empty( $_REQUEST['post_title'] ) )
        $post_title = wp_specialchars( stripslashes( $_REQUEST['post_title'] ));
    $text = stripslashes($content);
    if (get_magic_quotes_gpc()) $text = stripslashes($text);
    preg_match_all("/ src=(\"|\'){0,}(http:\/\/(.+?))(\"|\'|\s)/is",$text,$img);
    $img = array_unique(dhtmlspecialchars($img[2]));
    foreach ($img as $key => $value){
        set_time_limit(180); //每个图片最长允许下载时间,秒
        if(str_replace(get_bloginfo('url'),"",$value)==$value&&str_replace(get_bloginfo('home'),"",$value)==$value){
            //判断是否是本地图片，如果不是，则保存到服务器
            $fileext = substr(strrchr($value,'.'),1);
            $fileext = strtolower($fileext);
            if($fileext==""||strlen($fileext)>4)
                $fileext = "jpg";
            $savefiletype = array('jpg','gif','png','bmp');
            if (in_array($fileext, $savefiletype)){
                if($snoopy_Auto_Save_Image->fetch($value)){
                    $get_file = $snoopy_Auto_Save_Image->results;
                }else{
                    echo "error fetching file: ".$snoopy_Auto_Save_Image->error."
";
                    echo "error url: ".$value;
                    die();
                }
                $filetime = time();
                $filepath = "/".$upload_path;//图片保存的路径目录
                !is_dir("..".$filepath) ? mkdirs("..".$filepath) : null;
                //$filename = date("His",$filetime).random(3);
                $filename = substr($value,strrpos($value,'/'),strrpos($value,'.')-strrpos($value,'/'));
                //$e = '../'.$filepath.$filename.'.'.$fileext;
                //if(!is_file($e)) {
                // copy(htmlspecialchars_decode($value),$e);
                //}
                $fp = @fopen("..".$filepath.$filename.".".$fileext,"w");
                @fwrite($fp,$get_file);
                fclose($fp);
                $wp_filetype = wp_check_filetype( $filename.".".$fileext, false );
                $type = $wp_filetype['type'];
                $post_id = (int)$_POST['temp_ID2'];
                $title = $post_title;
                $url = $upload_url_path.$filename.".".$fileext;
                $file = $_SERVER['DOCUMENT_ROOT'].$filepath.$filename.".".$fileext;
                //添加数据库记录
                $attachment = array(
                    'post_type' => 'attachment',
                    'post_mime_type' => $type,
                    'guid' => $url,
                    'post_parent' => $post_id,
                    'post_title' => $title,
                    'post_content' => '',
                );
                $id = wp_insert_attachment($attachment, $file, $post_parent);
                $text = str_replace($value,$url,$text); //替换文章里面的图片地址
            }
        }
    }0
    $content = AddSlashes($text);
    remove_filter('content_save_pre', 'auto_save_image');
    return $content;
}
function mkdirs($dir){
    if(!is_dir($dir)){
        mkdirs(dirname($dir));
        mkdir($dir);
    }
    return ;
}
function dhtmlspecialchars($string) {
    if(is_array($string)) {
        foreach($string as $key => $val) {
            $string[$key] = dhtmlspecialchars($val);
        }
    }else{
        $string = str_replace('&', '&', $string);
        $string = str_replace('"', '"', $string);
        $string = str_replace('<', '<', $string);
        $string = str_replace('>', '>', $string);
        $string = preg_replace('/&(#\d;)/', '&\1', $string);
    }
    return $string;
}