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# dbplus_getunique

(4.1.0 - 4.2.3 only, PECL)

dbplus_getunique -- Get an id number unique to a relation

## Description

int dbplus_getunique ( resource relation, int uniqueid )

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_getunique() will obtain a number guaranteed to be unique for the given relation and will pass it back in the variable given as uniqueid.

The function will return zero (aka. DBPLUS_ERR_NOERR) on success or a db++ error code on failure. See dbplus_errcode() or the introduction to this chapter for more information on db++ error codes.

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