fix #28555: missing the 'e' specifier

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@159916 c90b9560-bf6c-de11-be94-00142212c4b1

reference/strings/functions/sprintf.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.8 $ -->
+<!-- $Revision: 1.9 $ -->
 <!-- splitted from ./en/functions/strings.xml, last change in rev 1.2 -->
   <refentry id="function.sprintf">
    <refnamediv>
@@ -87,6 +87,10 @@
           <literal>d</literal> - the argument is treated as an
           integer, and presented as a (signed) decimal number.
          </member>
+         <member>
+          <literal>e</literal> - the argument is treated as scientific
+          notation (e.g. 1.2e+2).
+         </member>
          <member>
           <literal>u</literal> - the argument is treated as an
           integer, and presented as an unsigned decimal number.
@@ -210,6 +214,18 @@ $money = $money1 + $money2;
 $formatted = sprintf("%01.2f", $money);
 // echo $formatted will output "123.10"
 ?>
+]]>
+      </programlisting>
+     </example>
+     <example>
+      <title><function>sprintf</function>: scientific notation</title>
+      <programlisting role="php">
+<![CDATA[
+<?php
+$number = 362525200;
+
+echo sprintf("%.3e", $number); // outputs 3.63e+8
+?>
 ]]>
       </programlisting>
      </example>