dbmnextkey
(PHP 3, PHP 4, PECL)
dbmnextkey --
说明
string
dbmnextkey ( resource dbm_identifier, string key )
Returns the next key after key.
参数
dbm_identifierThe DBM link identifier,
returned by dbmopen().
key
The previous 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:
例 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);
}
?>
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