dba_exists

(PHP 4, PHP 5, PHP 7)

dba_exists — Check whether key exists

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dba_exists ( string $key , resource $handle ) : bool

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

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key

The key the check is performed for.

handle

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

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Returns TRUE if the key exists, FALSE otherwise.

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