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# dbplus_xlockrel

(4.1.0 - 4.2.3 only)

dbplus_xlockrel -- Request exclusive lock on relation

## Description

int dbplus_xlockrel ( resource relation)

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_xlockrel() will request an exclusive lock on `relation` preventing even read access from other clients.

See also dbplus_xunlockrel().

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