(PHP 3, PHP 4 )

dbmnextkey --  Retrieves the next key from a DBM database


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:

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


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


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