The username must start with an alphabetical character and must NOT contain any other characters than alphanumerics, the underline and dash.
The username MUST NOT contain the custom delimiter!
If you use the 'name map' you should also use these naming in the supplied extra array, because your values would get mixed up if they are in the wrong order, which is always true if you DON'T use the 'name map'!
So be warned and USE the 'name map'!
the name of the user to add
the password of the user to add
extra properties of user to add
Returns TRUE on success, PEAR_Error on failure.
Table 43-1. Possible PEAR_Error values
|FILE_PASSWD_E_ALREADY_EXISTS||user already exists|
|FILE_PASSWD_E_INVALID_CHARS||username contains illegal characters|
|FILE_PASSWD_E_INVALID_CHARS||any of the extra proporties contains the delimiter|
|FILE_PASSWD_E_INVALID_ENC_MODE||actual encryption mode is not supported|
|FILE_PASSWD_E_UNDEFINED||if passwd file is shadowed|