(PHP 4, PHP 5, PHP 7)
Fetch first key
string dba_firstkey ( resource $handle )
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().
Returns:
Returns the key on success or FALSE
on failure.
See also:
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