yp_firstPHP ManualPrevNextyp_firstyp_first -- Returns the first key-value pair from the named map.Descriptionstring[] yp_first(string domain, string map); yp_first() returns the first key-value pair from the named map in the named domain, otherwise FALSE. Example 1. Example for the NIS first 1  2 <?php 3  $entry = yp_first($domain, "passwd.byname"); 4  $key = key($entry); 5  echo "First entry in this map has key " . $key 6  . " and value " . $entry[$key]; 7 ?> 8  See also yp-get-default-domain() PrevHomeNextyp_matchUpyp_next