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dbmnextkey

(PHP 4)
string dbmnextkey ( resource dbm_identifier, string key )

Returns the next key after key.

Parameters

dbm_identifier

The DBM link identifier, returned by dbmopen().

key

The previous key

Return Values

The next key if possible

Examples

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

Example 486. Visiting every key/value pair in a DBM database

<?php

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

?>