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HomeBackend DevelopmentPHP TutorialConfiguration optimization to make your PHP engine run at full speed_PHP Tutorial
Configuration optimization to make your PHP engine run at full speed_PHP TutorialJul 13, 2016 pm 05:30 PM
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As a popular web programming language, the biggest advantage of php (as the current mainstream development language) is speed. php(as the current mainstream development language)4 has done a very good job in this regard, and you can hardly find a scripting programming language that is faster than it. But if your application load is heavy and your bandwidth is relatively small, or there are other bottlenecks that affect your server performance, then you might as well try some of the prescriptions I have prescribed for you to see if they are effective.
 
 1. Code Optimization
When it comes to code optimization, perhaps you think of neat and clear code, but the meaning of this article is not that, because if you are looking for speed, , it is necessary to make corresponding adjustments to the source code of php(as the current mainstream development language). Generally speaking, redundant comments are removed to make the code unreadable. But for a programmer with good qualities, this is simply incredible. Fortunately, Zend Technologies has released the Zend optimization engine to help you do this. It's free now, but you must follow the Zend Optimizer license. This product can optimize the intermediate code generated by the engine.
 
Installing this engine is relatively simple. After downloading the version corresponding to the platform, unzip the compressed file, and then add the following two lines to the php(as the current mainstream development language).ini file OK, restart the web server and you're done.
 
 zend_optimizer.optimization_level=15
 
 zend_extension="/path/to/ZendOptimizer.so"
 
 zend_loader.enable=Off
 
If it is a Win32 platform It should be:
 
zend_optimizer.optimization_level=15
 
zend_extension_ts="C:path o endOptimizer.dll"

zend_loader.enable=Off
 
Ah! That's not a mistake? Why three lines? Actually the third line is optional. Because it seems that turning off zend_loader can improve the speed a little, it is worth putting this third line into php(as the current mainstream development language).ini. It should be noted that the prerequisite for turning it off is that you are not using the Zend encryption program.
 
 2. Buffering
If we want to further improve the speed, we need to consider using buffering technology. There are some alternative solutions, including Zend Cache (beta version), APC, and Afterburner Cache, as well as jpCache, etc.
 
The above are buffer modules. They store the intermediate code generated by the first request for .php(as the current mainstream development language) file in the memory of the Web server. , and then return the "compiled" version for future requests. Because this reduces disk reads and writes, and all work in memory, this process can significantly improve application performance.
 
There are many such products readily available, so who should you choose?
 
Zend Cache is a good commercial product. After loading those large php (as the current mainstream development language) pages for the first time, you will obviously feel the speed. With the improvement, the server will set aside more resources. Unfortunately, this product costs money, but in some cases, you don't want to skimp on the money.
 
 Afterburner Cache is a product of Bware Technologies. It is still in Beta version. It seems to be the same as Zend Cashe, but it cannot achieve as good results as Zend Cache, nor can it work with the Zend optimization engine, but it It's free, so I adopted this module.
 
 APC (Alternative php(as the current mainstream development language) Cache) is another free module released by Community Connect. It seems that it can be used in production environments.
 
 Web content compression
For an increasingly congested network, saving bandwidth is as valuable as saving water. According to IETF standards, most browsers should support content compressed using gzip. This means you can send gzip-compressed content to the browser, and the browser will transparently decompress the data.
 
 mod_gzip is a free apache(the most popular WEB server platform on Unix platform) module launched by Remote Communications Company, which can compress static Web content and send it to the browser. For most static web pages, this module is suitable. Although
 
 people from Remotecommunications company said that this module supports all the dynamic content generated by mod_php(as the current mainstream development language), mod_perl, mod and so on, but it still doesn’t seem to work. Judging from the mod_gzip mailing list, this problem will not be solved until 1.3.14.6f.
 
If you want to compress dynamic content, we can use class.gzip_encode.php(as the current mainstream development language), a php used at the beginning and end of the script (As the current mainstream development language) class.For the entire website, the functions are called in auto_prepend and auto_append of php(as the current mainstream development language).ini. For details, you can read the program of this class. This program is well commented and the author tells you almost everything. But before using it, your php(as the current mainstream development language) must be compiled to support zlib.

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