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dba_delete — Deletes a key.


bool dba_delete(key, dba_handle);
string key: Key to delete
resource dba_handle: Resource handle opened by dba_open() or dba_popen()


TRUE if the key was deleted; FALSE otherwise


dba_delete() removes key-value pairs from the db file. If the key-value pair can be removed, the function returns TRUE. If the pair cannot be removed or the key cannot be found, FALSE is returned.


PHP Version: 3.0.8+, 4.0b2+

See also

To replace the value of an existing key


To insert a new key-value pair



Example 211. Delete a key from a db file

$key = 'foo';
dba_delete ($key, $dba_handle)
    or die ("Key <i>$key</i> could not be deleted");

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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