PHP

One of the biggest advantages of PHP is its speed. In general, PHP always has enough speed to support dynamic generation of Web content. in many cases, you cannot even find a faster method than it. However, when you have to deal with large volumes

PHP provides a large number of predefined constants to any script it runs. However, many constants are defined by different extension libraries. they only appear when these extension libraries are loaded, dynamically loaded, or included during

SERVER variable $ _ SERVER details: 1. $ _ SESSION ['php _ SELF '] -- get the file name of the script being executed 2. $ _ SERVER ['server _ protocol'] -- the name of the communication PROTOCOL when requesting the page and version. For example,

You may think it is very easy to convert a floating point number (float) into a string in PHP, but common methods hide serious bugs. because PHP has a very unreasonable way to process floating-point numbers, and the precision will be lost. after

As a PHP programmer, especially a newbie, I always know too little about the sinister nature of the Internet. it is often difficult to handle external intrusions, they do not know how hackers intrude, commit intrusions, upload vulnerabilities, SQL

The system analyzes the implementation of global keywords in detail from the lexical analysis, syntax analysis, opcodes generation, execution, and whole process of PHP. When you write in the script: & lt ;? Php $ var = & quot; laruence & quot;

Peoplebelievewhattheywanttobelieve! After changing the computer, transfer and save the information, which was previously written and played, without comments ...... Generate several random numbers and ask questions randomly. There are 10 windows

1. what is xml? XML (ExtensibleMarkupLanguage) can be used to expand the markup language. like HTML, it is SGML (StandardGeneralizedMarkupLanguage, standard common markup language ). Xml is cross-platform in the Internet environment... "> I. What is

1. Ifamethodc ++ anbestatic, declareitstatic. Speedimprovementisbyafactorof4. if a method can be static, it will be declared as static. The speed can be increased to 4 times. 2. echoisfastert... "> 1. If a method c ++ an be static, declare it static.

This template is good. how can I use it? No, let's look down. Well, this is also good, or else & hellip; this is the first day of the arrival, what I did & mdash; pick a template. The beautiful templates are fascinating. Below we use php to

Recently, I have been busy with friends chain. I also took the opportunity to learn about PR value and tried to use PHP to implement PR query. What is the GooglePR value? I will not introduce it too much here. Simply put, the higher your PR value,

We use the unset () function to solve the PHP array deletion problem. The article provides detailed code and explanations, hoping to improve the technology. ">  When learning PHP, you may encounter the PHP array deletion problem. here we will

Phpjava (1), read phpjava (1), MarkNoldJoostSoeterbroekJAVA is a very powerful programming tool, and its extension Library is also very useful. In this tutorial, it mainly describes how to use PHP to call a powerful JAVA Class Library (classes ).

The installation of Mysql + Apache2 + php5 process, read the successful installation of Mysql + Apache2 + php5 process, download the following files to/usr/local/src/Apache2.tar.gzmysql-5.0.22.tar.gzphp-5.1.2.tar.gz decompress:

For more information about the PHP interface, read about the PHP interface and recently encountered difficulties in the process of learning the PHP5 interface. The book describes how to implement multiple inheritance, but I still don't know how to

Go directly to the code ..! DOCTYPEhtmlPUBLIC-// W3C // DTDXHTML1.0Transitional // ENhttp: // ConfigureGo directly to the code ..                                                                     Set_time_limit (24*60*60 );If (! Isset ($ _ POST

Functions are such a powerful source of PHP, but many PHP functions are not fully utilized. Here, we will briefly introduce 10 uncommon but useful functions. 1. sys_getloadavg () sys_getloadavt () can obtain the system load. This function returns an

PHPV5.3 has been released for a long time. The new feature series in PHPV5.3 will continue to introduce the exciting new features provided by the release. Part 1 introduces the changes made to object-oriented programming and object processing in PHP5

The memory manager of PHP is hierarchical. This manager has three layers: storage, heap, and emalloc/efree. The storage layer uses functions such as malloc () and mmap () to apply for memory from the system, and releases the applied memory through

1. Braces {} can operate strings like [] Operation arrays to obtain characters at the specified position. 2. PHP tag & lt ;? Php? & Gt; you can leave the end tag in an independent PHP script. This is to avoid errors caused by unexpected spaces. You