dba_exists

(PHP 4, PHP 5)

dba_exists — Check whether key exists

Opis

bool dba_exists ( string $key , resource $handle )

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

Parametry

key: The key the check is performed for.
handle: The database handler, returned by dba_open() or dba_popen().

Zwracane wartości

Returns TRUE if the key exists, FALSE otherwise.

Zobacz też:

dba_delete()
dba_fetch()
dba_insert()
dba_replace()

add a note User Contributed Notes
dba_exists

frenzy dot ivan at gmail dot com
27-Nov-2008 03:37


<?php





$index = 4;


$id = dba_open("frenzy.db", "w", "flatfile");


if(!$id) exit ("Some error...");


if(dba_exists($index, $id)) exit ("This key is using");


dba_close($id);





?>

add a note

dba_fetch

dba_delete

Last updated: Fri, 02 Jan 2009