1 files changed, 6 insertions, 0 deletions
diff --git a/lib/mysql.php b/lib/mysql.php
index d2d9772..8639800 100644
--- a/lib/mysql.php
+++ b/lib/mysql.php
@@ -25,6 +25,12 @@ namespace {
             trigger_error('php7-mysql-shim: ext/mysqli is required', E_USER_ERROR);
         }
 
+        trigger_error(
+            "php7-mysql-shim: The mysql extension is deprecated "
+            . "and was removed in the PHP 7.0: use mysqli or PDO instead.",
+            E_USER_DEPRECATED
+        );
+
         define('MYSQL_ASSOC', 1);
         define('MYSQL_NUM', 2);
         define('MYSQL_BOTH', 3);