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Check whether key exists
DBA Functions
PHP Manual

dba_exists

(PHP 4, PHP 5)

dba_existsCheck whether key exists

Description

bool dba_exists ( string $key , resource $handle )

dba_exists() checks whether the specified key exists in the database.

Parameters

key

The key the check is performed for.

handle

The database handler, returned by dba_open() or dba_popen().

Return Values

Returns TRUE if the key exists, FALSE otherwise.

See Also


DBA Functions
PHP Manual