dbmnextkey

Retrieves the next key from a DBM database (PHP 3, PHP 4, PECL)
string dbmnextkey ( resource dbm_identifier, string key )

Returns the next key after key. By calling dbmfirstkey() followed by successive calls to dbmnextkey() it is possible to visit every key/value pair in the dbm database. For example:

例 433. Visiting every key/value pair in a DBM database

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<?php

$key = dbmfirstkey($dbm_id);
while ($key) {
   echo "$key = " . dbmfetch($dbm_id, $key) . "\n";
   $key = dbmnextkey($dbm_id, $key);
}

?>