PHP Manual
Prev |  | Next

# dbmnextkey

(PHP 3, PHP 4 )

dbmnextkey -- Retrieves the next key from a DBM database

## Description

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:

Example 1. Visiting every key/value pair in a DBM database

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

Prev | Home | Next
dbminsert | Up | dbmopen