MYSQLI_THREAD_SAFE(3) 1 MYSQLI_THREAD_SAFE(3) mysqli::thread_safe - Returns whether thread safety is given or not Procedural styleSYNOPSISbool mysqli_thread_safe (void )DESCRIPTIONTells whether the client library is compiled as thread-safe.RETURN VALUESTRUE if the client library is thread-safe, otherwise FALSE. PHP Documentation Group MYSQLI_THREAD_SAFE(3)