(PHP 4, PHP 5, PHP 7)
dba_delete — Delete DBA entry specified by key
dba_delete ( string $key , resource $handle ) : bool
dba_delete() deletes the specified entry from the database.
key
The key of the entry which is deleted.
handle
The database handler, returned by dba_open() or dba_popen().
Returns true
on success or false
on failure.
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https://www.php.net/manual/en/function.dba-delete.php