PHP Manual
Prev |  | Next

# dbmnextkey

dbmnextkey -- retrieves the next key from a dbm database

## Description

`string dbmnextkey`(int 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.
      1
      2 $key = dbmfirstkey($dbm_id);
      3 while ($key) {
      4     echo "$key = " . dbmfetch($dbm_id, $key) . "\n";
      5     $key = dbmnextkey($dbm_id, $key);
      6 }
      7

Prev | Home | Next
dbmfirstkey | Up | dblist