From 98a447ac363d00d856c18f34ffbd4d14cad51eb3 Mon Sep 17 00:00:00 2001
From: Pascal Kriete <pascal.kriete@ellislab.com>
Date: Thu, 7 Jan 2010 18:14:28 +0000
Subject: changing the second parameter in directory_map to an integer that
 controls recursion depth.

A depth of 0 is fully recursive to maintain backward compatibility with the boolean values.
---
 system/helpers/directory_helper.php | 32 ++++++++++++++------------------
 1 file changed, 14 insertions(+), 18 deletions(-)

(limited to 'system/helpers')

diff --git a/system/helpers/directory_helper.php b/system/helpers/directory_helper.php
index 791cf0d10..7de6a3c51 100644
--- a/system/helpers/directory_helper.php
+++ b/system/helpers/directory_helper.php
@@ -36,32 +36,30 @@
  *
  * @access	public
  * @param	string	path to source
- * @param	bool	whether to limit the result to the top level only
+ * @param	int		depth of directories to traverse (0 = fully recursive, 1 = current dir, etc)
  * @return	array
  */	
 if ( ! function_exists('directory_map'))
 {
-	function directory_map($source_dir, $top_level_only = FALSE, $hidden = FALSE)
-	{	
+	function directory_map($source_dir, $directory_depth = 0, $hidden = FALSE)
+	{
 		if ($fp = @opendir($source_dir))
 		{
-			$source_dir = rtrim($source_dir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;		
-			$filedata = array();
-			
+			$filedata	= array();
+			$new_depth	= $directory_depth - 1;
+			$source_dir	= rtrim($source_dir, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;		
+						
 			while (FALSE !== ($file = readdir($fp)))
 			{
-				if (($hidden == FALSE && strncmp($file, '.', 1) == 0) OR ($file == '.' OR $file == '..'))
+				// Remove '.', '..', and hidden files [optional]
+				if ( ! trim($file, '.') OR ($hidden == FALSE && $file[0] == '.'))
 				{
 					continue;
 				}
-				
-				if ($top_level_only == FALSE && @is_dir($source_dir.$file))
+
+				if (($directory_depth < 1 OR $new_depth > 0) && @is_dir($source_dir.$file))
 				{
-					$temp_array = array();
-				
-					$temp_array = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $top_level_only, $hidden);
-				
-					$filedata[$file] = $temp_array;
+					$filedata[$file] = directory_map($source_dir.$file.DIRECTORY_SEPARATOR, $new_depth, $hidden);
 				}
 				else
 				{
@@ -72,10 +70,8 @@ if ( ! function_exists('directory_map'))
 			closedir($fp);
 			return $filedata;
 		}
-		else
-		{
-			return FALSE;
-		}
+
+		return FALSE;
 	}
 }
 
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