Replace is_file() with the faster file_exists()

(where it makes sense)

Also:
 - Implemented caching of configuration arrays for smileys, foreign characters and doctypes.
 - Implemented cascading-style loading of configuration files (except for library configs, DB and constants.php).

1 files changed, 1 insertions, 1 deletions

diff --git a/system/helpers/download_helper.php b/system/helpers/download_helper.php
index 7294d50c5..4fe6a0e88 100644
--- a/system/helpers/download_helper.php
+++ b/system/helpers/download_helper.php
@@ -58,7 +58,7 @@ if ( ! function_exists('force_download'))
 		}
 		elseif ($data === NULL)
 		{
-			if (@is_file($filename) && @file_exists($filename) && ($filesize = @filesize($filename)) !== FALSE)
+			if (@is_file($filename) && ($filesize = @filesize($filename)) !== FALSE)
 			{
 				$filepath = $filename;
 				$filename = explode('/', str_replace(DIRECTORY_SEPARATOR, '/', $filename));