Manual do PHP
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# yp_match

(PHP 3>= 3.0.7, PHP 4 , PHP 5)

yp_match -- Returns the matched line

## Description

string yp_match ( string domain, string map, string key)

yp_match() returns the value associated with the passed key out of the specified map or `FALSE`. This key must be exact.

Exemplo 1. Example for NIS match
`<?php $entry = yp_match($domain, "passwd.byname", "joe"); echo "Matched entry is: " . $entry; ?>`
The above code will produce :
    joe:##joe:11111:100:Joe User:/home/j/joe:/usr/local/bin/bash

See also yp_get_default_domain().

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