Replace is_null() with === / !== NULL

Exact same behavior, but faster. I also think it's more readable.

1 files changed, 2 insertions, 2 deletions

diff --git a/system/libraries/Ftp.php b/system/libraries/Ftp.php
index b8729a9c7..dc6bbd226 100644
--- a/system/libraries/Ftp.php
+++ b/system/libraries/Ftp.php
@@ -266,7 +266,7 @@ class CI_FTP {
 		}
 
 		// Set file permissions if needed
-		if ( ! is_null($permissions))
+		if ($permissions !== NULL)
 		{
 			$this->chmod($path, (int) $permissions);
 		}
@@ -320,7 +320,7 @@ class CI_FTP {
 		}
 
 		// Set file permissions if needed
-		if ( ! is_null($permissions))
+		if ($permissions !== NULL)
 		{
 			$this->chmod($rempath, (int) $permissions);
 		}