grep line using php

[Nandini]

hi i have file with the following data

 

host=mail.gmail.com

[email protected]

password=uuuuuuuuuuu

peer_host=mail.peer.com

 

this is the user submitted form from website.

 

I want to send host value "mail.gmail.com" from file to the user. How can i grep that. I dont want to user substr function , because the above line order may changed after every refresh.

So i want to search host by using regular expression. If match found i have to grep total line like "host=mail.gmail.com". After i have to use substr function to get host value.

This is the requirement.

Can any one tell me the solution.

[mbeals]

<?php

$text = <<<EOT
host=mail.gmail.com
[email protected]
password=uuuuuuuuuuu
peer_host=mail.peer.com
EOT;

echo $text;

preg_match("/^host=(.*)/",$text,$matches);


print_r($matches);

$host = $matches[1];
?>