diff --git a/appendices/migration4.xml b/appendices/migration4.xml index 739d203c26..5f36c95bcf 100644 --- a/appendices/migration4.xml +++ b/appendices/migration4.xml @@ -1,17 +1,23 @@ - + Migrating from PHP 3.0 to PHP 4.0 - - Migration from PHP 3 to PHP 4 is relatively easy, and should - not require you to change your code in any way. There are - minor incompatibilities between the two versions. You may want - to check the incompatibilities list to make sure that you're - indeed not affected by them (the chances you're affected by - these incompatibilities are extremely slim). - - +
+ What has changed in PHP 4.0 + + PHP 4.0 and the integrated Zend engine have greatly inproved PHPs + performance and capabilities, but great care has been taken to + break as little existing code as possible. So migrating your code + from PHP 3.0 to 4.0 should be much easier than migrating from + PHP/FI 2.0 to PHP 3.0. A lot of existing PHP 3.0 code should be + ready to run without changes, but you should still know about the + few differences and take care to test your code before switching + versions in production environments. The following should give you + some hints about what to look for. + +
+
Running PHP 3 and PHP 4 concurrently @@ -115,21 +121,6 @@ php_admin_flag [PHP directive name] [On|Off]
-
- What has changed in PHP 4.0 - - PHP 4.0 and the integrated Zend engine have greatly inproved PHPs - performance and capabilities, but great care has been taken to - break as little existing code as possible. So migrating your code - from PHP 3.0 to 4.0 should be much easier than migrating from - PHP/FI 2.0 to PHP 3.0. A lot of existing PHP 3.0 code should be - ready to run without changes, but you should still know about the - few differences and take care to test your code before switching - versions in production environments. The following should give you - some hints about what to look for. - -
-
Parser behavior