dba_exists
(PHP 4, PHP 5, PHP 7)
dba_exists — Check whether key exists
Description
dba_exists ( string $key , resource $handle ) : bool
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_delete() - Delete DBA entry specified by key
- dba_fetch() - Fetch data specified by key
- dba_insert() - Insert entry
- dba_replace() - Replace or insert entry
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.dba-exists.php