Gets the first key-value pair from the named map in the named domain.
The NIS domain name.
The NIS map.
Returns the first key-value pair as an array on success, or FALSE on errors.
FALSE
<?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;?>