Index: src/compose.php
===================================================================
RCS file: /cvsroot/squirrelmail/squirrelmail/src/compose.php,v
retrieving revision 1.319.2.43
diff -u -w -r1.319.2.43 compose.php
--- src/compose.php     7 Nov 2004 14:11:50 -0000       1.319.2.43
+++ src/compose.php     12 Nov 2004 19:53:09 -0000
@@ -1116,7 +1116,8 @@
         $configvars = array('post_max_size', 'memory_limit', 'upload_max_filesize');
         foreach($configvars as $var) {
             /* skip 0 or empty values */
-            if( $size = getByteSize(ini_get($var)) ) {
+            $size = getByteSize(ini_get($var));
+            if(isset($size) && ($size > 0)) {
                 $sizes[] = $size;
             }
         }