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Re: Beginner's trouble with substr [message #179458 is a reply to message #179454]

Mon, 29 October 2012 20:44

Doug Miller
Messages: 171
Registered: August 2011

Karma:

Senior Member

wrong(dot)address(dot)1(at)gmail(dot)com wrote in news:c67eb83e-13d8-4263-b723-a10744fcd444
@googlegroups.com:

>
> What am I doing wrong in this? The substr part does not seem to get processed properly.

That is because you are not using it properly.
http://us3.php.net/manual/en/function.substr.php

The second parameter is the starting position, not (as you appear to believe) the length;
length is the *third* parameter.

>
> <?php
>
> global $host;
> $host=@gethostbyaddr($REMOTE_ADDR);
> if ($HTTP_SERVER_VARS["HTTP_X_FORWARDED_FOR"] != "")
> {$realhost = @gethostbyaddr($HTTP_SERVER_VARS
["HTTP_X_FORWARDED_FOR"]);}
> $referer = $HTTP_REFERER;
>
> if (substr($host, -3) == ".xy") {exit;} //
> if (substr($host, 6) == "abcd29") {exit;} //
> if (substr($referer, -4) == ".xyz") {exit;} //
>
> if ($found == 1) {include 'simple.html';} else {include 'home.html';}
>
> ?>

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[Message index]

		Beginner's trouble with substr By: C on Mon, 29 October 2012 17:20
		Re: Beginner's trouble with substr By: Salvatore on Mon, 29 October 2012 17:34
		Re: Beginner's trouble with substr By: C on Mon, 29 October 2012 17:40
		Re: Beginner's trouble with substr By: Salvatore on Mon, 29 October 2012 19:46
		Re: Beginner's trouble with substr By: C on Tue, 30 October 2012 05:18
		Re: Beginner's trouble with substr By: Denis McMahon on Mon, 29 October 2012 22:47
		Re: Beginner's trouble with substr By: C on Tue, 30 October 2012 05:21
		Re: Beginner's trouble with substr By: Denis McMahon on Mon, 29 October 2012 23:17
		Re: Beginner's trouble with substr By: C on Tue, 30 October 2012 05:30
		Re: Beginner's trouble with substr By: Doug Miller on Mon, 29 October 2012 20:44
		Re: Beginner's trouble with substr By: C on Tue, 30 October 2012 05:19

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