Checks if a user with the given perm_user_id exists in the permission container and returns true on success.
Class Details
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This is a PEAR::DB backend driver for the LiveUser class.
A PEAR::DB connection object can be passed to the constructor to reuse an existing connection. Alternatively, a DSN can be passed to open a new one.
Requirements:
File "Liveuser.php" (contains the parent class "LiveUser")
Array of connection options or a PEAR::DB connection object must be
passed to the constructor.
Example: array('dsn' => 'mysql://user:pass@host/db_name')
OR
&$conn (PEAR::DB connection object)