1 files changed, 20 insertions, 0 deletions
diff --git a/functions.php b/functions.php
index 80fed8e3b..d34e133ae 100644
--- a/functions.php
+++ b/functions.php
@@ -859,4 +859,24 @@
 		else
 			return "even";
 	}
+
+	function sanity_check($link) {
+	
+		$error_code = 0;
+		$result = db_query($link, "SELECT schema_version FROM ttrss_version");
+		$schema_version = db_fetch_result($result, 0, "schema_version");
+
+		if ($schema_version != SCHEMA_VERSION) {
+			$error_code = 5;
+		}
+
+		print "<error error-code='$error_code'/>";
+
+		if ($error_code != 0) {
+			return false;
+		} else {
+			return true;
+		}
+	}
+
 ?>