dba_exists

PHP 4, PHP 5, PHP 7, PHP 8
dba_exists - Check whether key exists
Manual

dba_exists( string|array$key, resource$dba ): bool

dba_exists checks whether the specified key exists in the database.

Parameters

key

The key the check is performed for.

dba

The database handler, returned by dba_open or dba_popen.

Return Values

Returns true if the key exists, false otherwise.

Related Functions

Function dba_exists:

  • Manual

Database (dbm-style) Abstraction Layer Functions

Most used PHP functions