PHP Manual

• Copyright Information
• PHP Manual
  • Preface
• Introduction guide
  • Introduction
  • Brief Tutorial
• Installation and configuration
  • Matters to consider before installation
  • Unix system installation
  • Installation under macOS system
  • Installation under Windows system
  • Installation on a cloud computing platform
  • FastCGI Process Manager (FPM)
  • PECL extension library installation
  • Are there any more questions?
  • Runtime configuration
• Language reference
  • Basic grammar
  • Type
  • Variable
  • Constant
  • expression
  • Operator
  • 。 Flow control
  • function
  • Class and object
  • namespace
  • enumerate
  • Error
  • abnormal
  • Fiber process
  • Generator
  • Annotation
  • Quotation explanation
  • Predefined variables
  • Predefined exception
  • Predefined interface
  • Context options and parameters
  • Supported protocols and encapsulation protocols
• Safety
  • Introduction
  • General provisions
  • During CGI mode installation
  • When installing with Apache module
  • Session security
  • File system security
  • Database Security
  • Error Report
  • User-submitted data
  • Hidden PHP
  • Keep updated.
• Features
  • PHP HTTP Authentication
  • Cookie
  • Session
  • Handle XForms
  • File upload processing
  • Using remote files
  • Connection processing
  • Persistent database connection
  • PHP command-line mode
  • Garbage collection mechanism
  • DTrace Dynamic Tracing
• Function reference
  • Extensions affecting PHP behavior
  • Audio format operation
  • Identity authentication service
  • Command-line extension
  • Compression and Archiving Extension
  • Encryption extension
  • Database extension
  • Date and Time related extensions
  • File system related extensions
  • Internationalization and character encoding support
  • Image generation and processing
  • Email-related extensions
  • Mathematics Extension
  • Non-textual content MIME output
  • Process Control Extension
  • Other basic extensions
  • Other services
  • Search engine extension
  • For server expansion
  • Session extension
  • Text processing
  • Variable and type extension
  • Web service
  • Windows-specific extension
  • XML operations
  • Graphical User Interface (GUI) extension
• FAQ — FAQ：常见问题
  • General information
  • Email list
  • Get PHP
  • Database issue
  • Install — 安装常见问题
  • Compilation issue
  • Use PHP
  • Password hashing — 密码散列安全
  • PHP and HTML
  • PHP and COM
  • Other questions
• Appendix
  • The history of PHP and its related projects
  • Migrating from PHP 8.0.x to PHP 8.1.x
  • Migrating from PHP 7.4.x to PHP 8.0.x
  • Migrating from PHP 7.3.x to PHP 7.4.x
  • Migrate from PHP 7.2.x to PHP 7.3.x
  • Migrating from PHP 7.1.x to PHP 7.2.x
  • Migrating from PHP 7.0.x to PHP 7.1.x
  • Migrating from PHP 5.6.x to PHP 7.0.x
  • Migrating from PHP 5.5.x to PHP 5.6.x
  • PHP Debugging
  • Configuration options
  • php.ini configuration
  • Extend library list / classify
  • Function alias list
  • Reserved words list
  • Resource type list
  • Available Filter List
  • List of supported socket transports
  • PHP Type Comparison Chart
  • Parser code list
  • User Space Naming Guidelines
  • About this manual
  • Creative Commons Attribution 3.0
  • Index
  • Update Log