php extension names are: 1. MySQLi extension, which can easily connect to the MySQL database and perform various operations; 2. GD extension, which can perform image scaling, cropping, rotation, adding watermarks and other operations; 3. , cURL extension, which can send HTTP requests, obtain remote files, upload files, etc.; 4. JSON extension, which can convert PHP data into JSON format strings; 5. XML extension; 6. OpenSSL extension; 7. ZIP extension; 8. APCu extension.
The operating environment of this tutorial: The operating environment of this tutorial: windows10 system, php8.1.3 version, DELL G3 computer.
PHP is a scripting language widely used in web development, and it has quickly become one of the most popular programming languages due to its flexibility and powerful features. PHP extensions are modules used to enhance and extend the core functionality of PHP. This article will introduce some common PHP extension names and their functions.
1. MySQLi extension
MySQLi extension is an enhancement to the MySQL database, providing more functionality and flexibility. Using the MySQLi extension, you can easily connect to a MySQL database and perform various operations such as querying, inserting, updating, and deleting data. In addition, MySQLi also provides more advanced functions, such as prepared statements, transactions, etc.
2. GD extension
GD extension is a powerful PHP extension for image processing. It allows the creation and manipulation of various image formats such as JPEG, PNG and GIF. Using the GD extension, you can perform image scaling, cropping, rotating, adding watermarks and other operations. It is often used when developing websites to generate verification codes, process user-uploaded images, etc.
3. cURL extension
cURL extension is a PHP extension for handling URLs and file transfers. It supports various protocols such as HTTP, FTP, SMTP, etc. to communicate with remote servers. Using the cURL extension, you can send HTTP requests, obtain remote files, upload files, etc.
4. JSON extension
JSON extension is used to process data in JSON format. It provides a set of functions that can convert PHP data to JSON-formatted strings and JSON-formatted strings to PHP data. JSON is widely used in web services and front-end and back-end data interaction, so JSON extensions are very useful when processing data.
5. XML extension
XML extension provides a set of functions for processing XML data. It can parse XML files, extract data from them, and generate XML-formatted strings. XML is a commonly used data exchange format, so XML extensions are very useful when dealing with web services and data interaction.
6. OpenSSL extension
OpenSSL extension is a PHP extension used to encrypt and decrypt data. It supports various encryption algorithms and provides a set of functions that can encrypt and decrypt data, generate and verify digital certificates, etc. OpenSSL extensions are useful when protecting the transmission and storage of sensitive data.
7. ZIP extension
ZIP extension is a PHP extension for processing ZIP files. It allows creating, reading and decompressing ZIP files, as well as adding files to ZIP archives. The ZIP extension is very useful when dealing with file compression and decompression, especially in file uploads and downloads.
8. APCu extension
APCu extension is a high-performance memory cache extension used to reduce database operations and speed up website loading. It caches data in memory for fast access. The APCu extension is useful when optimizing website performance and increasing responsiveness.
Summary:
These are some common PHP extension names and their functions. PHP extensions provide developers with a rich set of features and tools that enable them to develop and manage web applications more easily. Understanding and using these extensions can improve development efficiency and enhance the functionality and performance of your PHP applications. Whether working with databases, images, network requests, or data format conversions, these extensions help us complete our tasks better .
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