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History of PHP and Related Projects
Migrating from PHP 8.0x to PHP
Migrating from PHP 8.0.X to PHP 81.X
81X
Migrating trom PHP 7.4Xto PHP &0X
Migrating from PHP 7.3x to PHP 7.4X
Table of Contents
Migrating from PHP 7.2xto PHP 7.3X
Migrating from PHP 71x to PHP 72X
New Features
Migrating from PHP Z0x to PHP 71X
New Classes and Interfaces
Migrating from PHP 5.6X to PHP Z.0x
New Functions
Migrating from PHP 5.5x to PHP 5.6X
New Global Constants
Debugging in PHP
Backward Incompatible Changes
Configure options
Deprecated Features
php.ini directives
Other Changes
Extension List/ Categorization
List of Function Alases
This new minor version brings with it a number of new features and a few incompatibilities that should be tested
List 0f Reserved Words
for before switching PHP versions in production environments.
List of Resource Types
List of Available Filters
See also the migration guides for PHP versions 71x,72x73x74X 8.0x
List of Supported Socket Transports
PHP type comparison tables
List of Parser Tokens
User Contributed Notes
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Userland Naming Guide
About the manual
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Creative Commons Attribution 3.0
Index listing
Changelog