"if-then" won't work!

[Anon]

I simply cannot get my "if - then" statement to work!

Scenario: If my visitor has, "attbi" in their gethostbyaddr ($REMOTE_ADDR) variable, I want them RE-DIRECTED to a different page. Here's my terrible php code that won't work. What am I doing wrong?

$z = gethostbyaddr( $REMOTE_ADDR );
$match = "attbi";
if (!strncmp($z, $match, strlen($match)))
{
$url= "http://www.re_direct_visitor.com/";
header("location: $url");
}

[[deleted]]

strncmp() returns 0 (false) if both strings are exactly equal.

If you just want to check that 'attbi' is somewhere in $z, then use strpos():

http://www.php.net/manual/en/function.strpos.php

if (!strpos($z, $match, strlen($match)))
{
$url= "http://www.re_direct_visitor.com/";
header("location: $url");
}

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[Anon]

$z = gethostbyaddr( $REMOTE_ADDR );
$match = "attbi";
if (!strpos($z, $match))
{
$url= "http://www.re_direct_visitor.com/";
header("location: $url");
}