Merge pull request PHPIDS#59 from mynameiszanders/58-php-error-trying-to-bind-non-variable-to-pdo-statement

PHP Error: Trying to bind non-variable to PDO statement (PR).

Author: lstrojny

lib/IDS/Caching/DatabaseCache.php

@@ -261,11 +261,11 @@ private function write($handle, $data)
                 )'
             );
 
-            $statement->bindParam(
+            $statement->bindValue(
                 'type',
                 $handle->quote($this->type)
             );
-            $statement->bindParam('data', serialize($data));
+            $statement->bindValue('data', serialize($data));
 
             if (!$statement->execute()) {
                 throw new \PDOException($statement->errorCode());