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-rw-r--r--sourcecodes/matrix.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/sourcecodes/matrix.php b/sourcecodes/matrix.php
index 7d6eb87f..c1e56cf6 100644
--- a/sourcecodes/matrix.php
+++ b/sourcecodes/matrix.php
@@ -1,5 +1,6 @@
 <?php 
-$keyval=$_GET["My_key"];
+include("input_validate.php");
+$keyval=valid_keyval($_GET["My_key"]);
 $dir="./data/";
 
 $matfile=$dir.$keyval."structure_input_temp.txt";