Merge upstream branch

6 files changed, 66 insertions, 73 deletions

diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
index e5e32c48d..464d1d112 100644
--- a/system/helpers/array_helper.php
+++ b/system/helpers/array_helper.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.2.4 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
  * @filesource
  */
 
-// ------------------------------------------------------------------------
-
 /**
  * CodeIgniter Array Helpers
  *
@@ -45,7 +43,6 @@
  * Lets you determine whether an array index is set and whether it has a value.
  * If the element is empty it returns FALSE (or whatever you specify as the default value.)
  *
- * @access	public
  * @param	string
  * @param	array
  * @param	mixed
@@ -55,12 +52,7 @@ if ( ! function_exists('element'))
 {
 	function element($item, $array, $default = FALSE)
 	{
-		if ( ! isset($array[$item]) OR $array[$item] == "")
-		{
-			return $default;
-		}
-
-		return $array[$item];
+		return empty($array[$item]) ? $default : $array[$item];
 	}
 }
 
@@ -69,7 +61,6 @@ if ( ! function_exists('element'))
 /**
  * Random Element - Takes an array as input and returns a random element
  *
- * @access	public
  * @param	array
  * @return	mixed	depends on what the array contains
  */
@@ -77,12 +68,7 @@ if ( ! function_exists('random_element'))
 {
 	function random_element($array)
 	{
-		if ( ! is_array($array))
-		{
-			return $array;
-		}
-
-		return $array[array_rand($array)];
+		return is_array($array) ? $array[array_rand($array)] : $array;
 	}
 }
 
@@ -91,10 +77,9 @@ if ( ! function_exists('random_element'))
 /**
  * Elements
  *
- * Returns only the array items specified.  Will return a default value if
+ * Returns only the array items specified. Will return a default value if
  * it is not set.
  *
- * @access	public
  * @param	array
  * @param	array
  * @param	mixed
@@ -105,22 +90,12 @@ if ( ! function_exists('elements'))
 	function elements($items, $array, $default = FALSE)
 	{
 		$return = array();
-		
-		if ( ! is_array($items))
-		{
-			$items = array($items);
-		}
-		
+
+		is_array($items) OR $items = array($items);
+
 		foreach ($items as $item)
 		{
-			if (isset($array[$item]))
-			{
-				$return[$item] = $array[$item];
-			}
-			else
-			{
-				$return[$item] = $default;
-			}
+			$return[$item] = isset($array[$item]) ? $array[$item] : $default;
 		}
 
 		return $return;
@@ -128,4 +103,4 @@ if ( ! function_exists('elements'))
 }
 
 /* End of file array_helper.php */
-/* Location: ./system/helpers/array_helper.php */
\ No newline at end of file
+/* Location: ./system/helpers/array_helper.php */
diff --git a/system/helpers/cookie_helper.php b/system/helpers/cookie_helper.php
index b46f80540..38a2f78fc 100644
--- a/system/helpers/cookie_helper.php
+++ b/system/helpers/cookie_helper.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.2.4 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
  * @filesource
  */
 
-// ------------------------------------------------------------------------
-
 /**
  * CodeIgniter Cookie Helpers
  *
@@ -45,7 +43,6 @@
  * Accepts six parameter, or you can submit an associative
  * array in the first parameter containing all the values.
  *
- * @access	public
  * @param	mixed
  * @param	string	the value of the cookie
  * @param	string	the number of seconds until expiration
@@ -69,7 +66,6 @@ if ( ! function_exists('set_cookie'))
 /**
  * Fetch an item from the COOKIE array
  *
- * @access	public
  * @param	string
  * @param	bool
  * @return	mixed
@@ -79,14 +75,7 @@ if ( ! function_exists('get_cookie'))
 	function get_cookie($index = '', $xss_clean = FALSE)
 	{
 		$CI =& get_instance();
-
-		$prefix = '';
-
-		if ( ! isset($_COOKIE[$index]) && config_item('cookie_prefix') != '')
-		{
-			$prefix = config_item('cookie_prefix');
-		}
-
+		$prefix = isset($_COOKIE[$index]) ? '' : config_item('cookie_prefix');
 		return $CI->input->cookie($prefix.$index, $xss_clean);
 	}
 }
@@ -97,7 +86,7 @@ if ( ! function_exists('get_cookie'))
  * Delete a COOKIE
  *
  * @param	mixed
- * @param	string	the cookie domain.  Usually:  .yourdomain.com
+ * @param	string	the cookie domain. Usually: .yourdomain.com
  * @param	string	the cookie path
  * @param	string	the cookie prefix
  * @return	void
@@ -110,6 +99,5 @@ if ( ! function_exists('delete_cookie'))
 	}
 }
 
-
 /* End of file cookie_helper.php */
-/* Location: ./system/helpers/cookie_helper.php */
\ No newline at end of file
+/* Location: ./system/helpers/cookie_helper.php */
diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php
index 1d67e056d..d7ca13e85 100644
--- a/system/helpers/directory_helper.php
+++ b/system/helpers/directory_helper.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.2.4 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
  * @filesource
  */
 
-// ------------------------------------------------------------------------
-
 /**
  * CodeIgniter Directory Helpers
  *
@@ -43,12 +41,11 @@
  * Create a Directory Map
  *
  * Reads the specified directory and builds an array
- * representation of it.  Sub-folders contained with the
+ * representation of it. Sub-folders contained with the
  * directory will be mapped as well.
  *
- * @access	public
  * @param	string	path to source
- * @param	int		depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
+ * @param	int	depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
  * @return	array
  */
 if ( ! function_exists('directory_map'))
@@ -64,7 +61,7 @@ if ( ! function_exists('directory_map'))
 			while (FALSE !== ($file = readdir($fp)))
 			{
 				// Remove '.', '..', and hidden files [optional]
-				if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] == '.'))
+				if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] === '.'))
 				{
 					continue;
 				}
@@ -87,6 +84,5 @@ if ( ! function_exists('directory_map'))
 	}
 }
 
-
 /* End of file directory_helper.php */
-/* Location: ./system/helpers/directory_helper.php */
\ No newline at end of file
+/* Location: ./system/helpers/directory_helper.php */
diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index f3f0ff2ca..96ff29dec 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -60,19 +60,19 @@ if ( ! function_exists('force_download'))
 		// Set the default MIME type to send
 		$mime = 'application/octet-stream';
 
+		$x = explode('.', $filename);
+		$extension = end($x);
+
 		if ($set_mime === TRUE)
 		{
-			/* If we're going to detect the MIME type,
-			 * we'll need a file extension.
-			 */
-			if (FALSE === strpos($filename, '.'))
+			if (count($x) === 1 OR $extension === '')
 			{
+				/* If we're going to detect the MIME type,
+				 * we'll need a file extension.
+				 */
 				return FALSE;
 			}
 
-			$extension = explode('.', $filename);
-			$extension = end($extension);
-
 			// Load the mime types
 			if (defined('ENVIRONMENT') && is_file(APPPATH.'config/'.ENVIRONMENT.'/mimes.php'))
 			{
@@ -90,6 +90,18 @@ if ( ! function_exists('force_download'))
 			}
 		}
 
+		/* It was reported that browsers on Android 2.1 (and possibly older as well)
+		 * need to have the filename extension upper-cased in order to be able to
+		 * download it.
+		 *
+		 * Reference: http://digiblog.de/2011/04/19/android-and-the-download-file-headers/
+		 */
+		if (count($x) !== 1 && isset($_SERVER['HTTP_USER_AGENT']) && preg_match('/Android\s(1|2\.[01])/', $_SERVER['HTTP_USER_AGENT']))
+		{
+			$x[count($x) - 1] = strtoupper($extension);
+			$filename = implode('.', $x);
+		}
+
 		// Generate the server headers
 		header('Content-Type: '.$mime);
 		header('Content-Disposition: attachment; filename="'.$filename.'"');
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 4da07f283..37337d975 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -314,6 +314,28 @@ if ( ! function_exists('form_dropdown'))
 {
 	function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '')
 	{
+    // If name is really an array then we'll call the function again using the array
+    if (is_array($name) && isset($name['name']))
+    {
+      
+      if ( ! isset($name['options'])) 
+      {
+        $name['options'] = array();
+      }
+      
+      if ( ! isset($name['selected'])) 
+      {
+        $name['selected'] = array();
+      }
+      
+      if ( ! isset($name['extra'])) 
+      {
+        $name['extra'] = '';
+      }
+      
+      return form_dropdown($name['name'], $name['options'], $name['selected'], $name['extra']);
+    }
+    
 		if ( ! is_array($selected))
 		{
 			$selected = array($selected);
diff --git a/system/helpers/inflector_helper.php b/system/helpers/inflector_helper.php
index bbc75c747..9cf015d2b 100644
--- a/system/helpers/inflector_helper.php
+++ b/system/helpers/inflector_helper.php
@@ -170,7 +170,7 @@ if ( ! function_exists('camelize'))
 {
 	function camelize($str)
 	{
-		return ucwords(str_replace(' ', '', preg_replace('/[\s_]+/', ' ', strtolower($str))));
+		return str_replace(' ', '', ucwords(preg_replace('/[\s_]+/', ' ', strtolower($str))));
 	}
 }