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# dbplus_update

(4.1.0 - 4.2.3 only)

dbplus_update -- Update specified tuple in relation

## Description

int dbplus_update ( resource relation, array old, array new)

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

dbplus_update() replaces the tuple given by `old` with the data from `new` if and only if `old` completely matches a tuple within `relation`.

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