


Teach you how to build a PHP development environment with WinXP_PHP Tutorial
Build a PHP development environment on WinXP 1. Install the Apache server
Address: http://httpd.apache. org/download.cgi
Download the current new version: apache_2.2.13-win32-x86-openssl-0.9.8k.msi
Just run the installation file directly.
The installation path in this example: D:Program FilesApache Software FoundationApache2.2
Build a PHP development environment on WinXP 2. Install PHP
The latest stable one The version is PHP 5.2.11, but there is no corresponding PECL package. The 5.2.6 PECL package can still run on this version. I also chose to use version 5.2.6. Download address: http://www.php.net/releases/
Download two files: php-5.2.6-Win32.zip, pecl-5.2.6-Win32.zip. The first file is the PHP interpreter, and the second is PECL (The PHP Extension Community Library), which contains C language code that can be compiled into PHP Core, so the PECL extension library can be compiled into a dynamically loadable .so A shared library that extends the PHP language from the bottom up.
Extract the two compressed files and copy all dll files under pecl-5.2.6-Win32 to the ext directory under php-5.2.6-Win32. Then put php-5.2.6-Win32 where you want it. The PHP core interpreter is installed successfully.
Installation path in this example: D:Program FilesPHPphp-5.2.6-Win32
Two files need to be modified:
1) PHP configuration file. There are two built-in files in the PHP installation path: php.ini-dist and php.ini-recommended. Let's modify the first one, make a copy of the first file and change the name to php.ini.
Modify: extension_dir item, which specifies the location of the extension dll directory. Change to: extension_dir = "D:/Program Files/PHP/php-5.2.6-Win32/ext"
doc_root item, which specifies the path of the web server. Change to: doc_root = "D:/Program Files/Apache Software Foundation/Apache2.2/htdocs"
Enable certain extensions. Some already exist, but have been commented out. Just replace the ; sign before the line. If you don't know which ones you will use, you can skip this step for now.
2) Apache configuration file. Add PHP to Apache configuration. Modify the httpd.conf file in the conf in the Apache installation directory and add the following statement:
LoadModule php5_module "D:/Program Files/PHP/php-5.2.6-Win32/php5apache2_2.dll"
PHPIniDir "D:/Program Files/PHP/php-5.2.6-Win32/"
AddType application/x-httpd-php .php
It should be noted that "D :/Program Files/PHP/php-5.2.6-Win32/php5apache2_2.dll" must use double quotes, otherwise Apache cannot start the service.
Build a PHP development environment on WinXP 3. Test the installation.
Create a test file test.php in the directory of the Apache server
File content: phpinfo() ?>
Start the server, Visit http://127.0.0.1/. All configuration information of PHP will be printed.
4. Install PEAR.
Just run the go-pear.bat command in the PHP directory. Just press Enter during the installation process. PEAR is PHP's official open source class library, the abbreviation of PHP Extension and Application Repository. Pear means pear in English. PEAR compiles commonly used functions in the PHP program development process into class libraries, covering many aspects such as page rendering, database access, file operations, data structures, cache operations, network protocols, etc., and can be used easily by users.
Build a PHP development environment on WinXP 5. Configure the environment variables and add the PHP installation directory to the path.
Otherwise, some functions supported by PHP cannot be found, such as the libmysql.dll file related to supporting MySQL. If you search online, some people will tell you to copy this file to the window directory. To solve the same problem, setting path is obviously more professional.
Building a PHP development environment on WinXP 6. The editor I chose is Zend, and Eclipse also has a dedicated PHP editor.
Zend will start to use Eclipse plug-in technology for development after 7.0. The style is the same as Eclipse. I don’t know if it is to attract a large number of Java developers.
Build a PHP development environment on WinXP 7. If you use Zend, put the code of the PHP project in the workspace.
php is not a programming language, just a script, and does not need to be compiled. Therefore, you can configure Apache's project release directory to the workspace, so that you can see the results after writing the code, which is very convenient.
That is, modify the DocumentRoot item in the conf/httpd.conf file in the Apache installation directory to the location of the workspace.

PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

PHP is not dead. 1) The PHP community actively solves performance and security issues, and PHP7.x improves performance. 2) PHP is suitable for modern web development and is widely used in large websites. 3) PHP is easy to learn and the server performs well, but the type system is not as strict as static languages. 4) PHP is still important in the fields of content management and e-commerce, and the ecosystem continues to evolve. 5) Optimize performance through OPcache and APC, and use OOP and design patterns to improve code quality.

PHP and Python have their own advantages and disadvantages, and the choice depends on the project requirements. 1) PHP is suitable for web development, easy to learn, rich community resources, but the syntax is not modern enough, and performance and security need to be paid attention to. 2) Python is suitable for data science and machine learning, with concise syntax and easy to learn, but there are bottlenecks in execution speed and memory management.

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.


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