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(PHP 5)
mysqli_change_user(no version information, might be only in CVS)
mysqli->change_user -- Changes the user of the specified database connectionProcedural style:
bool mysqli_change_user ( mysqli link, string user, string password, string database )Object oriented style (method):
class mysqli {mysqli_change_user() is used to change the user of the specified database connection as given by the link parameter and to set the current database to that specified by the database parameter.
If desired, the NULL value may be passed in place of the database parameter resulting in only changing the user and not selecting a database. To select a database in this case use the mysqli_select_db() function.
In order to successfully change users a valid username and password parameters must be provided and that user must have sufficient permissions to access the desired database. If for any reason authorization fails, the current user authentication will remain.
Nota: Using this command will always cause the current database connection to behave as if was a completely new database connection, regardless of if the operation was completed successfully. This reset includes performing a rollback on any active transactions, closing all temporary tables, and unlocking all locked tables.
Esempio 2. Procedural style
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The above example will output:
Default database: world Value of variable a is NULL |
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Generated: 2007-01-26 17:56:28