clarification: curly braces can be used to modify strings, too

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@144915 c90b9560-bf6c-de11-be94-00142212c4b1

language/types.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.127 $ -->
+<!-- $Revision: 1.128 $ -->
  <chapter id="language.types">
   <title>Types</title>
 
@@ -1029,9 +1029,9 @@ echo "I'd like to have another {${ strrev('reeb') }}, hips";
     </sect3>
     
     <sect3 id="language.types.string.substr">
-     <title>String access by character</title>
+     <title>String access and modification by character</title>
      <para>
-      Characters within strings may be accessed by specifying the
+      Characters within strings may be accessed and modified by specifying the
       zero-based offset of the desired character after the string 
       in curly braces.
      </para>
@@ -1058,6 +1058,11 @@ $third = $str{2};
 // Get the last character of a string.
 $str = 'This is still a test.';
 $last = $str{strlen($str)-1}; 
+
+// Modify the last character of a string
+$str = 'Look at the sea';
+$str{strlen($str)-1} = 'e';
+          
 ?>
 ]]>
        </programlisting>