Take setting default value out of loop

apps/calendar/templates/part.eventform.php

@@ -12,8 +12,8 @@
 			<td>
 			<select id="category" name="categories[]" multiple="multiple" title="<?php echo $l->t("Select category") ?>">
 				<?php
-				foreach($_['category_options'] as $category){
 				if (!isset($_['categories'])) {$_['categories'] = array();}
+				foreach($_['category_options'] as $category){
 					echo '<option value="' . $category . '"' . (in_array($category, $_['categories']) ? ' selected="selected"' : '') . '>' . $category . '</option>';
 				}
 				?>
@@ -22,8 +22,8 @@
 			<td>
 			<select style="width:140px;" name="calendar">
 				<?php
-				foreach($_['calendar_options'] as $calendar){
 				if (!isset($_['calendar'])) {$_['calendar'] = false;}
+				foreach($_['calendar_options'] as $calendar){
 					echo '<option value="' . $calendar['id'] . '"' . ($_['calendar'] == $calendar['id'] ? ' selected="selected"' : '') . '>' . $calendar['displayname'] . '</option>';
 				}
 				?>