User Options Bit Setting Algorithm?

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User Options Bit Setting Algorithm?

07-28-2007, 09:31 AM

Andreas

Join Date: Jan 2004

Location: Germany

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class_dm.php

method set_bitfield()

Or basically:

To set a bit
[sql]
UPDATE user SET options = IF ((options & X), options, options + X) WHERE userid = Y
[/sql]

To unset a bit
[sql]
UPDATE user SET options = IF ((options & X), options - X, options) WHERE userid = Y[/sql]

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