what opcode

"Editor 's note" Previously, read a lot about PHP performance analysis of the article, but it is written in a single rule, and the rules are not context, there is no clear experiment to reflect the advantages of these rules, while the discussion

1.php is an analytic high-level language, Zend kernel using C language implementation, there is a main function, PHP script is input, kernel processing output results, the kernel translates php script into C program to recognize the opcode is PHP

1 overviewAs we all know, Java supports platform independence, security, and network mobility. The Java platform, which consists of Java virtual machines and Java core classes, provides a unified programming interface for pure Java programs,

I. Overview of the AUTOLOAD mechanism When developing a system using the OO pattern in PHP, it is often customary to store implementations of each class in a separate file, which makes it easy to reuse classes and facilitates future maintenance.

Analyzes the timeout mechanism of php scripts and analyzes php scripts. Analyze the timeout mechanism of php scripts. When php scripts are developed, max_input_time and max_execution_time are often set to control the timeout of scripts. However, it

Detailed description of the timeout Mechanism During php script running, and detailed description of the php script Mechanism During php development, max_input_time and max_execution_time are often set to control the script timeout. But I have never

HTTP/WebSocket and httpwebsocketHttp Definition HTTP is a standard TCP protocol for client and server requests and responses.HTTP request format The HTTP request format consists of the request line, request header, empty line, and message body. Each

PHP code encryption and PHPOpcode cache summary. 1. zendOptimizerv3.x. xv2.x. x is used in PHP versions earlier than PHP-5.2.x to improve the execution speed of PHP applications by optimizing code, theoretically 40%-100% faster than using ZO.

In our normal development, we may have encountered PHP script running timeout. in this case, we often use set_time_limit (non-secure mode ), you can also modify the configuration file and restart the server, or modify the program to reduce the

About PHPOfficial website: http://www.php.netI. Introduction of PHPPHP is a generic server-side scripting language, which is used primarily for web development to implement dynamic Web pages, and is one of the first server-side scripting languages

The author collects these techniques from a wide range of sources, and the completeness is not guaranteed. These optimization techniques have not been tested due to the large number. Please crossing to test yourself before use, after all, whether

Original address: [PHP]-performance acceleration-turn on OpcachePHP7 has been released as the largest version upgrade in PHP10 years, the biggest performance upgrade, PHP7 in the multi-release test showed a significant performance improvementFirst,

An in-depth understanding of PHP AutoLoad and spl_autoload automatic loading mechanismFont: [Increase decrease] Type: Reprint time: 2013-06-05 I want to commentThis article is a detailed analysis of PHP autoload and spl_autoload automatic loading

I have read a lot of articles on PHP performance analysis before, but I have written a single rule, and these rules have no context, there is no clear experiment to reflect the advantages of these rules. For the analysis of PHP performance, we

Transferred from: http://support.huawei.com/ecommunity/bbs/10242721.htmlThe application of zookeeper in HBaseThe HBase deployment is relatively a larger action that relies on zookeeper Cluster,hadoop HDFS.The Zookeeper function is:1, HBase

BackgroundHHVM is a high-performance PHP virtual machine developed by Facebook, claiming to be 9 times times faster than the official, and I was curious, so I took a quick look at it and sorted out this article, hoping to answer two questions:

Websocket protocol details and simple instance code, websocket details examples Websocket protocol details For more information about the websocket protocol, see other articles. WebSocket keywords HTML5 protocol, real-time, full-duplex communication,

PrefaceIn this tutorial, you can see the registers used by the CPU and explore and modify the arguments passed to the function call. You will also learn about the common Apple architecture and how to use registers in functions. This is called a

PHP Caching principleWhen the client requests a PHP program, the server's PHP engine parses the PHP program and compiles it into a specific opcode (operatecode, abbreviated opcode) file, which is a binary representation of the PHP code. By default,

Summarize:1. Long connection mechanism--distinguish Websocket,http2,sse:HTTP/2 introduced server Push technology to allow the server to proactively send data to the client cache. However, it does not allow data to be sent directly to the client