When PHP is running in CLI, strtotime ('2017-9-2016: 59: 59') cannot return the timestamp.

When PHP runs CLI, strtotime (& #039; 2016-9-2259: 59: 59 & #039;) cannot return a timestamp, but this time is clearly correct ??? When PHP is running in CLI, strtotime ('1970-9-22 59: 59: 59') cannot return the timestamp. However, this time is correct. why ???

Reply content:

When PHP is running in CLI, strtotime ('1970-9-22 59: 59: 59') cannot return the timestamp. However, this time is correct. why ???

$ Php-r "var_dump (strtotime ('2017-9-22 59: 59: 59');" bool (false)

When the time format is invalid,StrtotimeFunction returnFalse. Here...

Error returned before php5.1.0-1.