免插件七牛CDN加速

当你想用CDN而又不想安装插件时。可以用该代码

把该代码插入wordpress functions.php 里中间位置即可

//免插件七牛CDN加速
define('FocusCDNHost','http://hengde.me');//网站地址
define('FocusCDNRemote','http://cdn.hengde.me');//cdn地址
define('FocusCDNIncludes','wp-content,wp-includes');//cdn加速目录
define('FocusCDNExcludes','.php|.xml|.html');//不缓存文件后缀
define('FocusCDNRelative','');//Check this if you want to have links like &lt;wp-content/abc.png&gt; rewritten - i.e. without your blog's domain as prefix.

function do_cdnrewrite_ob_start() {
$rewriter = new FocusCDNRewriteWordpress();
$rewriter-&gt;register_as_output_buffer();
}
add_action('template_redirect', 'do_cdnrewrite_ob_start');

class FocusCDNRewriteWordpress extends FocusCDNRewrite
{
function __construct() {
$excl_tmp = FocusCDNExcludes;
$excludes = array_map('trim', explode('|', $excl_tmp));

parent::__construct(
FocusCDNHost,
FocusCDNRemote,
FocusCDNIncludes,
$excludes,
!!FocusCDNRelative
);
}
public function register_as_output_buffer() {
if ($this-&gt;blog_url != FocusCDNRemote) {
ob_start(array(&amp;$this, 'rewrite'));
}
}

}

class FocusCDNRewrite {
var $blog_url = null;//String: the blog's URL
var $cdn_url = null;//String: URL of a CDN domain
var $include_dirs = null;//String: directories to include in static file matching, comma-delimited list
var $excludes = array();//Array: strings which indicate that a given element should not be rewritten (e.g. ".php")
var $rootrelative = false;//Boolean: if true, modifies root-relative links

function __construct($blog_url, $cdn_url, $include_dirs, array $excludes, $root_relative) {
$this-&gt;blog_url = $blog_url;
$this-&gt;cdn_url = $cdn_url;
$this-&gt;include_dirs = $include_dirs;
$this-&gt;excludes = $excludes;
$this-&gt;rootrelative = $root_relative;
}

protected function exclude_single(&amp;$match) {
foreach ($this-&gt;excludes as $badword) {
if (stristr($match, $badword) != false) {
return true;
}
}
return false;
}

protected function rewrite_single(&amp;$match) {
if ($this-&gt;exclude_single($match[0])) {
return $match[0];
} else {
if (!$this-&gt;rootrelative || strstr($match[0], $this-&gt;blog_url)) {
return str_replace($this-&gt;blog_url, $this-&gt;cdn_url, $match[0]);
} else {
return $this-&gt;cdn_url . $match[0];
}
}
}

protected function include_dirs_to_pattern() {
$input = explode(',', $this-&gt;include_dirs);
if ($this-&gt;include_dirs == '' || count($input) &lt; 1) {
return 'wp\-content|wp\-includes';
} else {
return implode('|', array_map('quotemeta', array_map('trim', $input)));
}
}

public function rewrite(&amp;$content) {
$dirs = $this-&gt;include_dirs_to_pattern();
$regex = '#(?&lt;=[(\"\'])';
$regex .= $this-&gt;rootrelative
? ('(?:'.quotemeta($this-&gt;blog_url).')?')
: quotemeta($this-&gt;blog_url);
$regex .= '/(?:((?:'.$dirs.')[^\"\')]+)|([^/\"\']+\.[^/\"\')]+))(?=[\"\')])#';
return preg_replace_callback($regex, array(&amp;$this, 'rewrite_single'), $content);
}

}
//免插件七牛CDN加速

//免插件七牛CDN加速

define('FocusCDNHost','http://hengde.me');//网站地址

define('FocusCDNRemote','http://cdn.hengde.me');//cdn地址

define('FocusCDNIncludes','wp-content,wp-includes');//cdn加速目录

define('FocusCDNExcludes','.php|.xml|.html');//不缓存文件后缀

define('FocusCDNRelative','');//Check this if you want to have links like <wp-content/abc.png> rewritten - i.e. without your blog's domain as prefix.

function do_cdnrewrite_ob_start() {

$rewriter = new FocusCDNRewriteWordpress();

$rewriter->register_as_output_buffer();

}

add_action('template_redirect', 'do_cdnrewrite_ob_start');

class FocusCDNRewriteWordpress extends FocusCDNRewrite

{

function __construct() {

$excl_tmp = FocusCDNExcludes;

$excludes = array_map('trim', explode('|', $excl_tmp));

parent::__construct(

FocusCDNHost,

FocusCDNRemote,

FocusCDNIncludes,

$excludes,

!!FocusCDNRelative

);

}

public function register_as_output_buffer() {

if ($this->blog_url != FocusCDNRemote) {

ob_start(array(&$this, 'rewrite'));

}

class FocusCDNRewrite {

var $blog_url = null;//String: the blog's URL

var $cdn_url = null;//String: URL of a CDN domain

var $include_dirs = null;//String: directories to include in static file matching, comma-delimited list

var $excludes = array();//Array: strings which indicate that a given element should not be rewritten (e.g. ".php")

var $rootrelative = false;//Boolean: if true, modifies root-relative links

function __construct($blog_url, $cdn_url, $include_dirs, array $excludes, $root_relative) {

$this->blog_url = $blog_url;

$this->cdn_url = $cdn_url;

$this->include_dirs = $include_dirs;

$this->excludes = $excludes;

$this->rootrelative = $root_relative;

}

protected function exclude_single(&$match) {

foreach ($this->excludes as $badword) {

if (stristr($match, $badword) != false) {

return true;

}

return false;

}

protected function rewrite_single(&$match) {

if ($this->exclude_single($match[0])) {

return $match[0];

} else {

if (!$this->rootrelative || strstr($match[0], $this->blog_url)) {

return str_replace($this->blog_url, $this->cdn_url, $match[0]);

} else {

return $this->cdn_url . $match[0];

}

protected function include_dirs_to_pattern() {

$input = explode(',', $this->include_dirs);

if ($this->include_dirs == '' || count($input) < 1) {

return 'wp\-content|wp\-includes';

} else {

return implode('|', array_map('quotemeta', array_map('trim', $input)));

}

public function rewrite(&$content) {

$dirs = $this->include_dirs_to_pattern();

$regex = '#(?<=[(\"\'])';

$regex .= $this->rootrelative

? ('(?:'.quotemeta($this->blog_url).')?')

: quotemeta($this->blog_url);

$regex .= '/(?:((?:'.$dirs.')[^\"\')]+)|([^/\"\']+\.[^/\"\')]+))(?=[\"\')])#';

return preg_replace_callback($regex, array(&$this, 'rewrite_single'), $content);

}

//免插件七牛CDN加速

4 thoughts on “免插件七牛CDN加速”

Jason说道：

2014 年 11 月 14 日下午 1:19

七牛支持中文域名了没？

回复
1. 若水说道：
  
  2014 年 11 月 14 日下午 1:21
  
  不清楚，你去试试？或直接咨询客服。
  
  回复
  1. Jason说道：
    
    2014 年 11 月 14 日下午 1:26
    
    嗯
    
    回复
沙丘说道：

2014 年 12 月 8 日下午 1:06

加到functions.php里面不就等于是一个插件吗？效果差不多，资源占用也没有好多少。
不如直接将静态资源放到7牛

回复