diff -up php-src-02be73b5fac63a02313b9fe0f204c65d4828edeb/ext/odbc/php_odbc.c.odbctimer php-src-02be73b5fac63a02313b9fe0f204c65d4828edeb/ext/odbc/php_odbc.c
--- php-src-02be73b5fac63a02313b9fe0f204c65d4828edeb/ext/odbc/php_odbc.c.odbctimer	2015-03-25 07:01:04.000000000 +0100
+++ php-src-02be73b5fac63a02313b9fe0f204c65d4828edeb/ext/odbc/php_odbc.c	2015-03-25 08:45:27.265011747 +0100
@@ -431,7 +431,8 @@ static void _free_odbc_result(zend_resou
 			efree(res->values);
 			res->values = NULL;
 		}
-		if (res->stmt) {
+		/* If aborted via timer expiration, don't try to call any unixODBC function */
+		if (res->stmt && !(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
 #if defined(HAVE_SOLID) || defined(HAVE_SOLID_30) || defined(HAVE_SOLID_35)
 			SQLTransact(res->conn_ptr->henv, res->conn_ptr->hdbc,
 						(SQLUSMALLINT) SQL_COMMIT);
@@ -481,9 +482,12 @@ static void _close_odbc_conn(zend_resour
 		}
 	} ZEND_HASH_FOREACH_END();
 
-   	safe_odbc_disconnect(conn->hdbc);
-	SQLFreeConnect(conn->hdbc);
-	SQLFreeEnv(conn->henv);
+	/* If aborted via timer expiration, don't try to call any unixODBC function */
+	if (!(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
+		safe_odbc_disconnect(conn->hdbc);
+		SQLFreeConnect(conn->hdbc);
+		SQLFreeEnv(conn->henv);
+	}
 	efree(conn);
 	ODBCG(num_links)--;
 }
@@ -506,9 +510,12 @@ static void _close_odbc_pconn(zend_resou
 		}
 	} ZEND_HASH_FOREACH_END();
 
-	safe_odbc_disconnect(conn->hdbc);
-	SQLFreeConnect(conn->hdbc);
-	SQLFreeEnv(conn->henv);
+	/* If aborted via timer expiration, don't try to call any unixODBC function */
+	if (!(PG(connection_status) & PHP_CONNECTION_TIMEOUT)) {
+		safe_odbc_disconnect(conn->hdbc);
+		SQLFreeConnect(conn->hdbc);
+		SQLFreeEnv(conn->henv);
+	}
 	free(conn);
 
 	ODBCG(num_links)--;