vrana Wed Dec 21 15:04:47 2005 EDT
Modified files:
/phpdoc/en/appendices migration5.xml
Log:
Example when 'declare class before use' is necessary
http://cvs.php.net/viewcvs.cgi/phpdoc/en/appendices/migration5.xml?r1=1.44&r2=1.45&diff_format=u
Index: phpdoc/en/appendices/migration5.xml
diff -u phpdoc/en/appendices/migration5.xml:1.44
phpdoc/en/appendices/migration5.xml:1.45
--- phpdoc/en/appendices/migration5.xml:1.44 Thu Dec 8 12:10:46 2005
+++ phpdoc/en/appendices/migration5.xml Wed Dec 21 15:04:47 2005
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.44 $ -->
+<!-- $Revision: 1.45 $ -->
<appendix id="migration5">
<title>Migrating from PHP 4 to PHP 5</title>
@@ -96,8 +96,9 @@
<listitem>
<simpara>
In some cases classes must be declared before used. It only happens
- only if some of the new features of PHP 5 are used. Otherwise the
- behaviour is the old.
+ only if some of the new features of PHP 5 (such as <link
+ linkend="language.oop5.interfaces">interfaces</link>) are used.
+ Otherwise the behaviour is the old.
</simpara>
</listitem>
<listitem>
@@ -127,11 +128,10 @@
</listitem>
<listitem>
<simpara>
- If there are functions defined in the included file, they will be defined
- in the main file, whether they are before or after the
- <function>return</function> instruction. If the file is included twice,
- PHP 5 issues fatal error because functions were already declared, while
- PHP 4 doesn't complain about it.
+ If there are functions defined in the included file, they can be used in
the
+ main file independent if they are before <function>return</function> or
after.
+ If the file is included twice, PHP 5 issues fatal error because functions
+ were already declared, while PHP 4 doesn't complain about it.
It is recommended to use <function>include_once</function> instead of
checking if the file was already included and conditionally return inside
the included file.
