dbmnextkey
(PHP 4)
dbmnextkey —
说明
string dbmnextkey
( resource $dbm_identifier
, string $key
)
Returns the next key after key .
返回值
The next key if possible
范例
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
<?php
$key = dbmfirstkey($dbm_id);
while ($key) {
echo "$key = " . dbmfetch($dbm_id, $key) . "\n";
$key = dbmnextkey($dbm_id, $key);
}
?>
CDN