yp_first
(PHP 4, PHP 5 < 5.1.0)
yp_first — Returns the first key-value pair from the named map
说明
yp_first
( string
$domain
, string $map
) : array
Gets the first key-value pair from the named map
in the named domain.
参数
-
domain -
The NIS domain name.
-
map -
The NIS map.
返回值
Returns the first key-value pair as an array on success, or FALSE on
errors.
范例
Example #1 Example for the NIS first
<?php
$entry = yp_first($domain, "passwd.byname");
$key = key($entry);
$value = $entry[$key];
echo "First entry in this map has key " . $key . " and value " . $value;
?>
参见
- yp_next() - Returns the next key-value pair in the named map
- yp_get_default_domain() - Fetches the machine's default NIS domain