002- bool(true)
003- bool(true)
004- bool(true)
005- bool(true)
003+ Fatal error: Uncaught RuntimeException: sleep is not suitable for use in multi threaded applications, use synchronized Threaded::wait in %s/lstat_stat_variation16.php:21
007- --- Done ---
004+ Stack trace:
005+ #0 %s/lstat_stat_variation16.php(21): sleep(2)
006+ #1 {main}
007+ thrown in %s/lstat_stat_variation16.php on line 21