PHP. Учебник. 2005

dbmexists

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dbmexists

(PHP3, PHP4, PECL)dbmexists -- Tells if a value exists for a key in a DBM database

Description

bool dbmexists (resource dbm_identifier, string key)

- Returns TRUE if there is a value associated with the key.

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dbmdelete

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dbmfetch 22222