Added false return value when extension doesn't exist #78428

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@347869 c90b9560-bf6c-de11-be94-00142212c4b1

Author: peehaa

reference/info/functions/ini-get-all.xml

@@ -14,7 +14,7 @@
    <methodparam choice="opt"><type>bool</type><parameter>details</parameter><initializer>&true;</initializer></methodparam>
   </methodsynopsis>
   <para>
-   Returns all the registered configuration options.
+   Returns all the registered configuration options. 
   </para>
  </refsect1>
 
@@ -48,6 +48,8 @@
   &reftitle.returnvalues;
   <para>
    Returns an associative array with directive name as the array key.
+   Returns &false; and raises an <constant>E_WARNING</constant> level error
+   if the <parameter>extension</parameter> doesn't exist.
   </para>
   <para>
    When <parameter>details</parameter> is &true; (default) the array will