Install PHP 4.0 on Win 98+PWS_PHP Tutorial
Nowadays, network technology is at its peak, with CGI (Common Gateway Interface) and ASP (Active Serve Page) coming out, and then PHP (see later note), which is really confusing. The emergence of these new software not only brings us a new experience, but also brings problems to how to play these software on machines with lower configurations. This article uses my own experience to explain how to play with lower configurations of machines. Install PHP4.0 software.
My "love chicken" configuration is: Lenovo Tianqin 909's modified product: MMX166 is replaced by K6Ⅱ-400, the memory is still 32 megabytes, and the motherboard core voltage jumps to 2.2V...
The software only requires Windows 98 + PWS (Personal Web Server). NT, LINUX, and Win 2000 do not need to be installed. The installation process is as follows:
1. You can install PWS from add-onspwssetup.exe on the installation disk of Windows 98 (official version or OEM version), choose typical installation or customized installation, and use the default installation directory C:Inetpubwwwroot( Complete the grand project of transforming a single machine into a server).
2. Software download: http://www.php.net/distributions/php-4.0.0-Win32.zip or http://soft.km169.net/soft/wybc/php-4.0 .0-win32.zip!
3. Use the decompression tool to decompress php-4.0.0-Win32.zip to the PHP installation directory, such as C:php (don’t say you don’t have WinZip)!
4 , Copy the php.ini-dist file in the PHP installation directory to the C:WINDOWS directory, and rename C:WINDOWSphp.ini-dist to C:WINDOWSphp.ini;
5. Copy the Msvcrt. dll and php4ts.dll are copied to the C:WINDOWSSystem directory. If these files already exist in the C:WINDOWSSystem directory, please do not overwrite them (check if there is Msvcrt.dll in advance);
6. Modify C:WINDOWSphp.ini:
1) Set Extension_dir to the PHP installation directory, such as: extension_dir =C:php (look left and right in php.ini to find it);
2) Configure the dynamic link library (DLL) to be loaded , be sure to ensure that only dynamic link libraries existing in the PHP installation directory can be loaded. If there are different dynamic link library names, please change them to those that come with this version: php_calendar.dll, php_imap.dll, php_ldap. dll, so the configuration column of the dynamic link library is as follows (be sure to remove the ;):
Windows Extensions
extension=php_calendar.dll
extension=php_imap.dll

PHP remains important in modern web development, especially in content management and e-commerce platforms. 1) PHP has a rich ecosystem and strong framework support, such as Laravel and Symfony. 2) Performance optimization can be achieved through OPcache and Nginx. 3) PHP8.0 introduces JIT compiler to improve performance. 4) Cloud-native applications are deployed through Docker and Kubernetes to improve flexibility and scalability.

PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

The reasons why PHP is the preferred technology stack for many websites include its ease of use, strong community support, and widespread use. 1) Easy to learn and use, suitable for beginners. 2) Have a huge developer community and rich resources. 3) Widely used in WordPress, Drupal and other platforms. 4) Integrate tightly with web servers to simplify development deployment.

PHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.

In PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.

The \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.


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