


Combination application of php with XML, XSLT and Mysql, installation part_PHP tutorial
经常看到有用户问一些关于php(做为现在的主流开发语言)与xml(标准化越来越近了)、数据库结合运用的贴子,也经常看到一些初学者
把php(做为现在的主流开发语言)代码与HTML代码混写到一起,然后在出错的时候找不到错误,急得团团转,下面我就给大
家讲一下如何用xml(标准化越来越近了)技术将HTML代码和php(做为现在的主流开发语言)程序分离,当然,分离的技术有好多种,比如PEAR中
的IT模板.
总的来说,个人认为使用xml(标准化越来越近了)技术是最方便的,废话不多说了,我们言归正传,
讲一下在win2000下的安装
Use xml in php (as the current mainstream development language) (standardization is getting closer) and xslt need to use some dll libraries,
extension =php(as the current mainstream development language)_domxml(Standardization is getting closer).dll //Operation xml(Standardization is getting closer)’s function library
extension=php (as the current mainstream development language) _iconv.dll // Used for transcoding, such as converting GB2312 to UTF-8
extension =php(as the current mainstream development language)_xslt.dll //XSLT function library
When using the above three libraries, you need to use php( For the current mainstream development languages) The dlls directory in the installation directory is added to the path, otherwise it will not be found
These class libraries
In the following courses, we will use php (As the current mainstream development language) The PEAR class library in mainly uses the DB class library, Sql2xml(standardization is getting closer) class library, you can find it in
pear.php (as the current mainstream development language) Download the latest version on .net
After downloading the above two class libraries, it is best to download the latest version in php (as the current mainstream development language) Set include_path = ".;d:php
(as the current mainstream development language).ini"pear"
d: php
(as the current mainstream development language)pear is the installation path of my pear >(The most popular WEB server platform on the Unix platform)
Starts abnormally and cannot be used normally
At this point, you have to use php
(as the current mainstream development language)
The xml
(standardization is getting closer) and the XSLT settings are completed, isn’t it very simple:) Users using Linux can go to http://www.gingerall. com/Download the source code about XSLt http://www.gnu.org/software/libiconv/Download the source code about Iconv
2 php
(as the current mainstream development language)
The combined use of xml
(standardization is getting closer), It is a simple process of extracting data from the database, generating xml (standardization is getting closer) document, and converting it into HTML using XSLT. This process only talks about the process of using this technology , will not involve other technologies such as paging For this example, I use the following database table and data
Table name: Enterprise user information table, English name: yhxx Table structure: #
#The structure of the data table `yhxx`
#
CREATE TABLE yhxx (
nsrnm varchar(15) NOT NULL default,
qymc varchar(200) NOT NULL default,
qydh varchar(50) NOT NULL default ,
Prima
(The most complete virtual host management system)
RY KEY (nsrnm)
) TYPE=MyISAM COMMENT=User information table;
#
# Data table content `yhxx` #
INSERT INTO yhxx VALUES (310109040111985, Qiaojia Catering Development Co., Ltd., 8621-63346626);
INSERT INTO yhxx VALUES (310104040221736, Shanghai Jialing Trading Co., Ltd., 74292546);
INSERT INTO yhxx VALUES (310108040331576, Jade Art Company, 54861465);
Next I will start Write programs and displays for extracting data Data page

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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