fix #28180: better explanation and statuses examples

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@157266 c90b9560-bf6c-de11-be94-00142212c4b1

reference/misc/functions/exit.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 <!-- splitted from ./en/functions/misc.xml, last change in rev 1.2 -->
   <refentry id="function.exit">
    <refnamediv>
@@ -34,8 +34,8 @@
     <simpara>
      If <parameter>status</parameter> is an <type>integer</type>, that value
      will also be used as the exit status. Exit statuses should be in the
-     range 1 to 254, the exit status 255 is reserved by PHP and shall not be
-     used.
+     range 0 to 254, the exit status 255 is reserved by PHP and shall not be
+     used. The status 0 is used to terminate the program sucefully.
     </simpara>
     <para>
      <example>
@@ -51,7 +51,27 @@ $file = fopen($filename, 'r')
 ?>
 ]]>
       </programlisting>
-      <!-- TODO: example with integer exit-statis -->
+     </example>
+    </para>
+    <para>
+     <example>
+      <title><function>exit</function> status example</title>
+      <programlisting role="php">
+<![CDATA[
+<?php
+
+//exit program normally
+exit;
+exit();
+exit(0);
+
+//exit with an error code
+exit(1);
+exit(0376); //octal
+
+?>
+]]>
+      </programlisting>
      </example>
     </para>
     <note>