Changes made to Windows support
Deprecated features in PHP 5.4.x
Migrating from PHP 5.3.x to PHP 5.4.x
PHP Manual
Changes in SAPI modules
A new SAPI module named cli-server is now available.
Changes made to Windows support
Deprecated features in PHP 5.4.x
Migrating from PHP 5.3.x to PHP 5.4.x
PHP Manual