Add file exists check to prevent stat failed error warnings in the log
These occur when creating .zips by passing data and creating an artificial fs structure inside the .zip
diff --git a/system/libraries/Zip.php b/system/libraries/Zip.php
index 9101eec..8e43570 100644
--- a/system/libraries/Zip.php
+++ b/system/libraries/Zip.php
@@ -100,7 +100,7 @@
function _get_mod_time($dir)
{
// filemtime() will return false, but it does raise an error.
- $date = (@filemtime($dir)) ? filemtime($dir) : getdate($this->now);
+ $date = (file_exists($dir) && @filemtime($dir)) ? filemtime($dir) : getdate($this->now);
$time['file_mtime'] = ($date['hours'] << 11) + ($date['minutes'] << 5) + $date['seconds'] / 2;
$time['file_mdate'] = (($date['year'] - 1980) << 9) + ($date['mon'] << 5) + $date['mday'];