PHP+.htaccess实现全站静态HTML文件GZIP压缩传输(一)_php技巧
apache的强大终于超出了我的想象,仅仅蜻蜓点水般触及了一点php皮毛,这点皮毛就在我原有的知识库基础上爆炸开来,好像PN结的“雪崩击穿”一样,让我想到了多种技术结合无限的应用前景。
由于九州未来的服务器限制流量,那么减少流量负载也就能减少金钱支出。
如何减少流量,最方便的办法就是用Gzip压缩,这个apache的gzip压缩是靠一个叫做zlib的类库和gzip的模块(mod_gzip.c)完成的,这玩意专门有一帮牛人研究,因为gzip本身就大名鼎鼎的,并且具有高压缩率开源的压缩原理,所以我们的开源apache才会采用这种开源的压缩技术。
恩,这个.htaccess也是apache的一个牛比东西,太强大了,也是根据你的apache安装了什么模块而决定你这个文件里面可以写什么东西,比如你安装了URL重写模块(Module mod_rewrite.c)的话你就可以写一些URL重写代码来实现你的文件重写。
知识普及完毕。。。。
进入正题。
如何让自己的全站的真实的静态的html文件,变成gzip传输的呢?
为了理解方便,我给大家写了一个简单的php程序。
首先我们建立一个采用gzip压缩算法的l.php,在该文件中读入xxx.html并显示出来,然后再在.htaccess里面重写xxx.html到1.php就可以了。简单吧。由于我们的服务器认为.htaccess的优先级最高,所以访问xxx.html的时候没有访问到这个静态文件,反而访问到了1.php.
下面是我的代码:(读入index2.html,然后重写之)
.htaccess:
# 将 RewriteEngine 模式打开
RewriteEngine On
RewriteBase /
RewriteRule index2\.html l.php?fn=index2.html
1.php
$phpver = phpversion();
$useragent = (isset($_SERVER["HTTP_USER_AGENT"]) ) ? $_SERVER["HTTP_USER_AGENT"] : $HTTP_USER_AGENT;
if ( $phpver >= '4.0.4pl1' && ( strstr($useragent,'compatible') || strstr($useragent,'Gecko') ) )
{
if ( extension_loaded('zlib') )
{
ob_start('ob_gzhandler');
}
}
else if ( $phpver > '4.0' )
{
if ( strstr($HTTP_SERVER_VARS['HTTP_ACCEPT_ENCODING'], 'gzip') )
{
if ( extension_loaded('zlib') )
{
$do_gzip_compress = TRUE;
ob_start();
ob_implicit_flush(0);
header('Content-Encoding: gzip');
}
}
}
?>
$rfile = addslashes(dirname(dirname(__FILE__))).'/'.'./httpdocs/'.$_REQUEST['fn'];
echo READ_FILE_CONTENTS($rfile);
function READ_FILE_CONTENTS($file)
{
if(!function_exists("file_get_contents"))return file_get_contents($file);
$ifile = fopen($file,"r");
$contents = false;
if($ifile) while (!feof($ifile)) $contents .= fgets($ifile);
fclose($ifile);
return $contents;
}
?>
// Compress buffered output if required and send to browser
if ( $do_gzip_compress )
{
//
// Borrowed from php.net!
//
$gzip_contents = ob_get_contents();
ob_end_clean();
$gzip_size = strlen($gzip_contents);
$gzip_crc = crc32($gzip_contents);
$gzip_contents = gzcompress($gzip_contents, 9);
$gzip_contents = substr($gzip_contents, 0, strlen($gzip_contents) - 4);
echo "\x1f\x8b\x08\x00\x00\x00\x00\x00";
echo $gzip_contents;
echo pack('V', $gzip_crc);
echo pack('V', $gzip_size);
}
exit;
?>
实际上这个东西能用更好的方法解决,就是用这个
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /xxx/xxx.php [L]
但是我还没研究出来怎么处理这个%{REQUEST_FILENAME},还望高手赐教。

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Alipay PHP...

JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,

Session hijacking can be achieved through the following steps: 1. Obtain the session ID, 2. Use the session ID, 3. Keep the session active. The methods to prevent session hijacking in PHP include: 1. Use the session_regenerate_id() function to regenerate the session ID, 2. Store session data through the database, 3. Ensure that all session data is transmitted through HTTPS.

The application of SOLID principle in PHP development includes: 1. Single responsibility principle (SRP): Each class is responsible for only one function. 2. Open and close principle (OCP): Changes are achieved through extension rather than modification. 3. Lisch's Substitution Principle (LSP): Subclasses can replace base classes without affecting program accuracy. 4. Interface isolation principle (ISP): Use fine-grained interfaces to avoid dependencies and unused methods. 5. Dependency inversion principle (DIP): High and low-level modules rely on abstraction and are implemented through dependency injection.

How to debug CLI mode in PHPStorm? When developing with PHPStorm, sometimes we need to debug PHP in command line interface (CLI) mode...

How to automatically set the permissions of unixsocket after the system restarts. Every time the system restarts, we need to execute the following command to modify the permissions of unixsocket: sudo...

Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.

Sending JSON data using PHP's cURL library In PHP development, it is often necessary to interact with external APIs. One of the common ways is to use cURL library to send POST�...
