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yp_first

yp_first -- Returns the first key-value pair from the named map.

Description

string[] 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

<?php
    $entry = yp_first($domain, "passwd.byname");

    if(!$entry) {
        echo yp_errno() . ": " . yp_err_string();
    }

    $key = key($entry);
    echo "First entry in this map has key " . $key 
          . " and value " . $entry[$key];
?>
      

See also: yp_get_default_domain yp_errno and yp_err_string

 

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