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| All class groups | All authors | 
AJAX (192)Interact with the Web server without page reloading  | 
Algorithms (311)Numerical and statistical algorithms  | 
Applications (97)Full applications that perform useful tasks  | 
Artificial intelligence (87)Automation of tasks using human-like intelligence  | 
Astrology (11)Zodiacal signs and horoscope  | 
Audio (118)Voice and music data generation and manipulation  | 
Biology (18)Bioinformatic components and tools that deal with live beings  | 
Blogs (112)Managing and publishing blogs  | 
Business (44)Components to help in the activities of businesses  | 
Cache (168)Managing cached pages or other types of content  | 
Chat (129)Chating and instant messaging  | 
Code Generation (197)Compilers and tools that generate code automatically  | 
Compression (102)Data compression and file archive manipulation  | 
Configuration (142)Configuration formats parsing and generation  | 
Console (127)Command line and console utilities  | 
Content management (512)Components and tools to manage content  | 
Conversion (53)Unit and datatype conversion  | 
Cryptography (246)Encrypting, decrypting and hashing data  | 
Data types (407)Modeling and manipulating data types  | 
Databases (1996)Database management, accessing and searching  | 
Debug (116)Debug data dumping, bug detection and reporting  | 
Design Patterns (421)Implementations of well known design patterns  | 
Documents (10)Document parsing, generation and conversion  | 
E-Commerce (247)Online stores, shopping baskets and payment methods  | 
E-Learning (5)Build online courses and learning resources  | 
Email (308)Email sending and receiving  | 
Emulators (18)System or language emulation  | 
Extensions (1)Extend PHP using code in C, C++ or other languages  | 
FFI (4)Interface with C or C++ libraries using the FFI extension  | 
Files and Folders (1229)Listing, accessing and manipulating files and folders  | 
Finances (158)Money, exchanging, taxes and stocks  | 
Flash (30)Generate and interact with Flash animations  | 
Forums (17)Discussion forums and bulletin board systems  | 
Games (123)Sports and online games  | 
Geography (234)Locations, mapping and demographics  | 
Global (64)Code made of global functions and variables  | 
Graphics (920)Colors, images, charts and picture formats  | 
GUI (33)Graphical User Interface generation and handling  | 
Hardware (37)Communicate with computer hardware and peripheral devices  | 
Health (4)Diagnostic and reports of health related issues  | 
Hosting (44)Web hosting tools and extensions  | 
HTML (1681)HTML generation and processing  | 
HTTP (650)HTTP protocol clients, headers and cookies  | 
Language (412)Constructs to assist in the language control  | 
Libraries (534)Frameworks and libraries of cooperating classes  | 
Literature (3)Compose and publish poems, novels, etc...  | 
Localization (210)Internationalization and translations  | 
Logging (153)Log generation and processing  | 
Mac OS (5)Use of capabilities specific of Apple Mac operating systems  | 
Math (168)Math related classes.  | 
Networking (448)Networking protocols, clients and servers  | 
P2P (11)Peer to peer clients and services  | 
Parsers (232)Programming language interpreters and format parsers  | 
Performance and optimization (102)Tools to measure and optimize the performance of systems  | 
PHP 5 (6708)Classes using PHP 5 specific features  | 
PHP 7 (456)Classes using PHP 7 specific features  | 
PHP 8 (125)Classes using PHP 8 specific features  | 
Physics (20)Physics related classes  | 
Printing (48)Document generation and preparation for printing  | 
Project Management (65)Tools to assist project management  | 
PSR (37)Packages that implement PHP Standard Recommendations by FIG  | 
Searching (200)Search engines, crawling and indexing  | 
Security (375)Security protection and attack detection  | 
SEO (61)Search engine optimization tools  | 
Social Networking (95)Tools and components to integrate with social networking sites  | 
Statistics (116)Collecting, processing and reporting statistical data  | 
Stream wrappers (15)Access resources like regular files  | 
System information (64)Information about servers, processes and operating system facilities  | 
Systems administration (185)System configuration and management  | 
Templates (299)Template processing engines and components  | 
Testing (56)Tools to help verifying that software works as expected  | 
Text processing (881)Manipulating and validating text data  | 
Time and Date (439)Time and date values, formats and conversion  | 
Tools (303)General purpose utilities and tools to simplify software development  | 
Traits (74)Components that implement functionality via traits  | 
Unix (94)Use of capabilities specific of POSIX, Unix like operating systems  | 
User Management (445)User records, authentication and session handling  | 
Validation (482)Validation algorithms  | 
Video (115)Movies and video data generation and manipulation  | 
Weather (19)Weather forecasting  | 
Web services (1303)Web data clipping, SOAP or XML-RPC clients and servers  | 
Windows (69)Use of capabilities specific of the Windows operating systems  | 
Wireless and Mobile (108)Wireless communications, handheld and pocket computing  | 
XML (465)XML parsing and generation  | 
Zephir (3)Components written in Zephir language  |