1 files changed, 2 insertions, 3 deletions
diff --git a/signin.php b/signin.php
index 195895a..c2ee5a6 100755
--- a/signin.php
+++ b/signin.php
@@ -18,12 +18,11 @@
 <?php
 include_once 'includes/error.php';
 
-function validate($data)
+function validate($data): string
 {
 	$data = trim($data);
 	$data = stripslashes($data);
-	$data = htmlspecialchars($data);
-	return $data;
+    return htmlspecialchars($data);
 }
 
 if ($_SERVER['REQUEST_METHOD'] == 'POST') {