Migrating from PHP 5.0.x to PHP 5.1.x
Table of Contents
- 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
See also the migration guides for PHP versions 5.0.x and 5.2.x.
Key PHP 5.1.x features
Some of the key features of PHP 5.1.x include:
-
A complete rewrite of date handling code, with improved timezone support.
-
Significant performance improvements compared to PHP 5.0.X.
-
PDO extension is now enabled by default.
-
Over 30 new functions in various extensions and built-in functionality.
-
Over 400 various bug fixes.