Add an example of indirectly modifying readonly property

php/doc-en@801e7a1

Author: mumumu

language/oop5/properties.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: c1f37a6c270aadbbb3da56a3973ffd62197adf2b Maintainer: takagi Status: ready -->
+<!-- EN-Revision: 801e7a15e8c9ee2d16966487dc9058d992450b46 Maintainer: takagi Status: ready -->
 <!-- CREDITS: mumumu -->
 
  <sect1 xml:id="language.oop5.properties" xmlns="http://docbook.org/ns/docbook">
@@ -327,6 +327,7 @@ $test->i++;
 ++$test->i;
 $test->ary[] = 1;
 $test->ary[0][] = 1;
+unset($test->ary[0]);
 $ref =& $test->i;
 $test->i =& $ref;
 byRef($test->i);