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:
例子 1. 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);
}
?>
|
|