Adding open and closing PHP tags.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@293681 c90b9560-bf6c-de11-be94-00142212c4b1

reference/image/functions/imagewbmp.xml

@@ -104,6 +104,7 @@ imagedestroy($im);
     <title>Outputting the image with a different foreground</title>
     <programlisting role="php">
 <![CDATA[
+<?php
 // Create a blank image and add some text
 $im = imagecreatetruecolor(120, 20);
 $text_color = imagecolorallocate($im, 233, 14, 91);
@@ -120,6 +121,7 @@ imagewbmp($im, NULL, $foreground_color);
 
 // Free up memory
 imagedestroy($im);
+?>
 ]]>
     </programlisting>
    </example>