more sane defaults datetime_convert

diff --git a/include/datetime.php b/include/datetime.php
index 1c43813d3d6ef0d5df3ddad0caedd92794fef17c..f4dcfce62e9fb90952a65c1158781ca7ed8a339a 100644 (file)
--- a/include/datetime.php
+++ b/include/datetime.php
@@ -80,12 +80,15 @@ function field_timezone($name='timezone', $label='', $current = 'America/Los_Ang
 if(! function_exists('datetime_convert')) {
 function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
 
-       // Defaults to UTC if nothing is set, but not if set to empty string.
+       // Defaults to UTC if nothing is set, but throws an exception if set to empty string.
+       // Provide some sane defaults regardless.
 
-       if($from == '')
+       if($from === '')
                $from = 'UTC';
-       if($to == '')
+       if($to === '')
                $to = 'UTC';
+       if($s === '')
+               $s = 'now';
 
        // Slight hackish adjustment so that 'zero' datetime actually returns what is intended
        // otherwise we end up with -0001-11-30 ...