003- bool(true)
004- bool(true)
005- bool(true)
004+ Fatal error: Uncaught RuntimeException: sleep is not suitable for use in multi threaded applications, use synchronized Threaded::wait in %s/lstat_stat_variation15.php:30
007- --- Done ---
005+ Stack trace:
006+ #0 %s/lstat_stat_variation15.php(30): sleep(2)
007+ #1 {main}
008+ thrown in %s/lstat_stat_variation15.php on line 30