dba_exists

(PHP 4, PHP 5, PHP 7)

dba_existsCheck whether key exists

Descrição

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

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

Parâmetros

key

The key the check is performed for.

handle

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

Valor Retornado

Returns true if the key exists, false otherwise.

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