Adds a similar note to the one I just added in curl_setopt() to explain variance in enctypes with string vs. array.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@279442 c90b9560-bf6c-de11-be94-00142212c4b1

reference/curl/functions/curl-setopt-array.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <refentry xml:id="function.curl-setopt-array" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>curl_setopt_array</refname>
@@ -104,6 +104,19 @@ if (!function_exists('curl_setopt_array')) {
   </para>
  </refsect1>
 
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    As with <member><function>curl_setopt</function></member>, passing an
+    array to <entry><constant>CURLOPT_POST</constant></entry>
+    will encode the data as <emphasis>multipart/form-data</emphasis>,
+    while passing a URL-encoded string will encode the data as
+    <emphasis>application/x-www-form-urlencoded</emphasis>.
+   </para>
+  </note>
+ </refsect1>
+
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>