5298b15c_PHP__posix_getpwnam___Manual_The_user_information_array_Description
[Element] name [Description] 
The name element contains the username of the user. This is a short, usually less than 16 character "handle" of the user, not the real, full name. This should be the same as the username parameter used when calling the function, and hence redundant.
PHP: posix_getpwnam - Manual
Description