(PHP 4 >= 4.2.0, PHP 5)
posix_strerror -- Retrieve the system error message associated with the given errnoReturns the POSIX system error message associated with the given errno. If errno is 0, then the string "Success" is returned. The function posix_get_last_error() is used for retrieving the last POSIX errno.
See also posix_get_last_error().