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PHP5中文手册

dbmnextkey

(PHP 4)

dbmnextkey —

说明

string dbmnextkey ( resource $dbm_identifier , string $key )

Returns the next key after key .

参数

dbm_identifier

The 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:

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);
}

?>

参见