From 87a78d3b8e0e13677ceb3b5b7f5378864f907b7c Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Wed, 17 Mar 2010 14:56:18 +0000
Subject: Documented pulldown quirks for NULL and FALSE as values.  Fixed bug
 when calling htmlentities() on the values before testing them.

git-svn-id: http://code.elgg.org/elgg/trunk@5426 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 views/default/input/pulldown.php | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/views/default/input/pulldown.php b/views/default/input/pulldown.php
index 54764bbd0..a9663ef82 100644
--- a/views/default/input/pulldown.php
+++ b/views/default/input/pulldown.php
@@ -3,6 +3,8 @@
  * Elgg pulldown input
  * Displays a pulldown input field
  *
+ * NB: Default values of FALSE or NULL will match '' (empty string) and not 0.
+ *
  * @package Elgg
  * @subpackage Core
  * @author Curverider Ltd
@@ -21,7 +23,7 @@ if (!$class) {
 	$class = "input_pulldown";
 }
 
-if (!isset($vars['value']) || $vars['value'] === FALSE) {
+if (!isset($vars['value'])) {
 	$vars['value'] = elgg_get_sticky_value($vars['internalname']);
 }
 
@@ -31,24 +33,24 @@ if (!isset($vars['value']) || $vars['value'] === FALSE) {
 
 if ($vars['options_values']) {
 	foreach($vars['options_values'] as $value => $option) {
-		$value = htmlentities($value, ENT_QUOTES, 'UTF-8');
-		$option = htmlentities($option, ENT_QUOTES, 'UTF-8');
 
-		// use strcmp() because (0 == 'string') is true
-		if (strcmp($value, $vars['value']) == 0) {
-			echo "<option value=\"$value\" selected=\"selected\">$option</option>";
+		$encoded_value = htmlentities($value, ENT_QUOTES, 'UTF-8');
+		$encoded_option = htmlentities($option, ENT_QUOTES, 'UTF-8');
+
+		if ((string)$value == (string)$vars['value']) {
+			echo "<option value=\"$encoded_value\" selected=\"selected\">$encoded_option</option>";
 		} else {
-			echo "<option value=\"$value\">$option</option>";
+			echo "<option value=\"$encoded_value\">$encoded_option</option>";
 		}
 	}
 } else {
 	foreach($vars['options'] as $option) {
-		$option = htmlentities($option, ENT_QUOTES, 'UTF-8');
+		$encoded_option = htmlentities($option, ENT_QUOTES, 'UTF-8');
 
-		if (strcmp($value, $vars['value']) == 0) {
-			echo "<option selected=\"selected\">$option</option>";
+		if ((string)$value == (string)$vars['value']) {
+			echo "<option selected=\"selected\">$encoded_option</option>";
 		} else {
-			echo "<option>$option</option>";
+			echo "<option>$encoded_option</option>";
 		}
 	}
 }
-- 
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