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Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
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Security
Introduction
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Function Reference
Affecting PHP's Behaviour
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Appendices
History of PHP and Related Projects
History of PHP
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Books about PHP
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Migrating from PHP 8.3.x to PHP 8.4.x
New Features
New Classes, Enums, and Interfaces
New Functions
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Backward Incompatible Changes
Deprecated Features
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Migrating from PHP 8.2.x to PHP 8.3.x
New Features
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Windows Support
Migrating from PHP 8.1.x to PHP 8.2.x
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New Functions
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Windows Support
Migrating from PHP 8.0.x to PHP 8.1.x
New Features
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Backward Incompatible Changes
Deprecated Features
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Migrating from PHP 7.4.x to PHP 8.0.x
New Features
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Backward Incompatible Changes
Deprecated Features
Other Changes
Migrating from PHP 7.3.x to PHP 7.4.x
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Deprecated Features
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Windows Support
Migrating from PHP 7.2.x to PHP 7.3.x
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Migrating from PHP 7.1.x to PHP 7.2.x
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Deprecated features in PHP 7.2.x
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Migrating from PHP 7.0.x to PHP 7.1.x
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Windows Support
Migrating from PHP 5.6.x to PHP 7.0.x
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Changes in SAPI Modules
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Migrating from PHP 5.5.x to PHP 5.6.x
Backward incompatible changes
New features
Deprecated features in PHP 5.6.x
Changed functions
New functions
OpenSSL changes in PHP 5.6.x
Other changes to extensions
New global constants
Debugging in PHP
About debugging in PHP
Configure options
List of core configure options
php.ini directives
List of php.ini directives
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Extension List/Categorization
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List of Function Aliases
List of Reserved Words
List of Keywords
Predefined Classes
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List of Resource Types
List of Available Filters
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Encryption Filters
List of Supported Socket Transports
Internet Domain: TCP, UDP, SSL, and TLS
Unix Domain: Unix and UDG
PHP type comparison tables
List of Parser Tokens
Userland Naming Guide
Global Namespace
Rules
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About the manual
Formats
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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
Index listing
Function and Method listing
Example listing
Changelog
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