From 4021b51750afb7e39dc0e5ea6e839c7da4e069ab Mon Sep 17 00:00:00 2001
From: Derek Allard <derek.allard@ellislab.com>
Date: Fri, 4 Jan 2008 22:26:12 +0000
Subject: added the ability to have multiple selected items in form_dropdown()

---
 system/helpers/form_helper.php | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'system/helpers/form_helper.php')

diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index e591eb74c..a67ea050d 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -221,18 +221,24 @@ function form_textarea($data = '', $value = '', $extra = '')
  * @param	string
  * @return	string
  */	
-function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
+function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '')
 {
+	if ( ! is_array($selected))
+	{
+		$selected = array($selected);
+	}
+
 	if ($extra != '') $extra = ' '.$extra;
-		
-	$form = '<select name="'.$name.'"'.$extra.">\n";
+	$multiple = (count($selected > 1))?' multiple="multiple"':'';
+
+	$form = '<select name="'.$name.'"'.$extra.$multiple.">\n";
 	
 	foreach ($options as $key => $val)
 	{
 		$key = (string) $key;
 		$val = (string) $val;
 		
-		$sel = ($selected != $key) ? '' : ' selected="selected"';
+		$sel = (in_array($key, $selected))?' selected="selected"':'';
 		
 		$form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
 	}
-- 
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