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# File_Passwd_Unix::save()

File_Passwd_Unix::save() -- Save changes

## Synopsis

``mixed File_Passwd_Unix::save` ()`

## Description

Apply changes and rewrite passwd file.

## Return value

Returns `TRUE` on success, PEAR_Error on failure.

Table 37-1. Possible PEAR_Error values

Error Code | Summary
--- | ---
FILE_PASSWD_E_DIR_NOT_CREATED | directory in which the passwd file should reside couldn't be created
FILE_PASSWD_E_FILE_NOT_OPENED | passwd file couldn't be opened in write mode
FILE_PASSWD_E_FILE_NOT_LOCKED | passwd file couldn't be locked exclusively
FILE_PASSWD_E_FILE_NOT_UNLOCKED | passwd file couldn't be unlocked
FILE_PASSWD_E_FILE_NOT_CLOSED | passwd file couldn't be closed

## Note

This function can not be called statically.

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File_Passwd_Unix::parse() | Up | File_Passwd_Unix::addUser()