developerWorks: A PHP V5 Migration Guide
Oct 04, 2006, 04:30 (0 Talkback[s])
(Other stories by Jack D. Herrington)
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"PHP V5 is a quantum step up from V4. The new language features
make building reliable and maintaining class libraries much easier.
In addition, the reworking of the standard libraries helped bring
PHP more in line with its cousin Web languages, such as the Java
programming language. Take a tour through some of PHP's new
object-oriented features and learn how to migrate existing PHP V4
code into V5.
"First, a bit about the new language features and how PHP's
creators have changed the approach to objects from PHP V4..."