dba_firstkey
(PHP 4, PHP 5, PHP 7)
dba_firstkey — Fetch first key
Description
dba_firstkey ( resource $handle ) : string|false
dba_firstkey() returns the first key of the database and resets the internal key pointer. This permits a linear search through the whole database.
Parameters
-
handle -
The database handler, returned by dba_open() or dba_popen().
Return Values
Returns the key on success or false on failure.
See Also
- dba_nextkey() - Fetch next key
- dba_key_split() - Splits a key in string representation into array representation
- Example 2 in the DBA examples
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https://www.php.net/manual/en/function.dba-firstkey.php