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Implenting method must be equal or weaker to abstract signature.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@165669 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Curt Zirzow 2004-08-07 18:11:34 +00:00
parent d95ca895ae
commit 461f6c292b
1 changed files with 8 additions and 2 deletions
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10
language/oop5/abstract.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<!-- $Revision: 1.4 $ -->
<sect1 id="language.oop5.abstract">
<title>Object Abstraction</title>
@ -11,6 +11,13 @@
define the implementation.
</para>
<para>
The class that implements the abstract method must define with the same
<link linkend="oop5.visibility">visibillity</link> or weaker. If the
abstract method is defined as protected, the function implenetation must be
defined as either protected or public.
</para>
<example>
<title>Abstract class example</title>
<programlisting role="php">
@ -59,7 +66,6 @@ $class2->print();
Old code that has no user-defined classes or functions named
'abstract' should run without modifications.
</para>
</sect1>
<!-- Keep this comment at the end of the file