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fla5h

02-03-2003 04:38 PM

search and trim ?

I'm after a bit of help if someone can please lead me in the right direction.

I want a piece of PHP that will return me the host name of a url.

So

http://www.google.com/hello ..... = .... google.com
http://google.com/hello..... = .... google.com
www.google.com/hello..... = .... google.com

you get the picture ?

I have been trying to think of this logically ie

1. Search for 3rd '/' if it exists trim all to the right of it ( including '/' )
2. trim first 7 characters off the string.
3. Count the number of '.' in the string if more than one trim upto the first one.

So given

http://www.google.com/hello
step 1 = http://www.google.com
step 2 = www.google.com
step 3 = google.com

I cannot think of a better way ? Have I left a loop hole ?

If this follows through correctly, can someone let me know what I need to use in php to do this ?

Could do it in Javascript, but not php :(

Thanks for any guidance and help :)

fla5h

02-03-2003 06:30 PM

mmm, this seems a better way. :)

PHP Code:


		
			
<?php 

//Get the web site address

preg_match("/^(http:\/\/)?([^\/]+)/i", "http://www.multi.part.domain.name.com/index.html", $matches);



$host = $matches[2];



// get all but one segments of host name

preg_match_all("/\.([^\.\/]+)/",$host,$matches);



// first element does not want the period('.')

$matches[0][0] = $matches[1][0];

$domain = implode('',$matches[0]);

echo( "Domain: " . $domain);

?>

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