PHP Manual

• History of PHP
• History of PHP related projects
• Books about PHP
• Publications about PHP
• What has changed in PHP 5.3.x
• Backward Incompatible Changes
• New features
• Changes made to Windows support
• Changes in SAPI modules
• Deprecated features in PHP 5.3.x
• Undeprecated features in PHP 5.3.x
• New Parameters
• New Functions
• New stream wrappers
• New stream filters
• New Class Constants
• New Methods
• New Extensions
• Removed Extensions
• Other changes to extensions
• New Classes
• New Global Constants
• Changes to INI file handling
• Other changes
• What has changed in PHP 5.2.x
• Backward Incompatible Changes
• New Error Messages
• Changes in PHP datetime support
• New Parameters
• New Functions
• New Methods
• Removed Extensions
• New Extensions
• New Classes
• New Global Constants
• New Class Constants
• New INI Configuration Directives
• Error Reporting
• Other Enhancements
• Key PHP 5.1.x features
• Changes in reference handling
• Reading []
• Integer values in function parameters
• Class and object changes
• Extensions
• Date/time support
• Changes in database support
• Checking for E_STRICT
• What has changed in PHP 5.0.x
• Backward Incompatible Changes
• CLI and CGI
• Migrating Configuration Files
• New Functions
• New Directives
• Databases
• New Object Model
• Error Reporting
• class
• extends
• Constructors
• Scope Resolution Operator (::)
• parent
• Serializing objects - objects in sessions
• The magic functions __sleep and __wakeup
• References inside the constructor
• Comparing objects
• About debugging in PHP
• List of core configure options
• List of php.ini directives
• List of php.ini sections
• Description of core php.ini directives
• Alphabetical
• Membership
• State
• List of Function Aliases
• List of Keywords
• Predefined Classes
• Predefined Constants
• List of Resource Types
• String Filters
• Conversion Filters
• Compression Filters
• Encryption Filters
• Internet Domain: TCP, UDP, SSL, and TLS
• Unix Domain: Unix and UDG
• PHP type comparison tables
• List of Parser Tokens
• Global Namespace
• Rules
• Tips
• Formats
• About user notes
• How to read a function definition (prototype)
• PHP versions documented in this manual
• How to find more information about PHP
• How to help improve the documentation
• How we generate the formats
• Translations
• Creative Commons Attribution 3.0
• Function Index