Created
April 22, 2012 18:12
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Spamhaus DBL example
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<?php | |
/* Let's say the variable $input contains a user-submitted link */ | |
$parsed_url = parse_url($input); | |
if ($parsed_url != false) { | |
/* The domain should be found using the 'host' key */ | |
$domain = $parsed_url['host']; | |
/* Now check that domain against the DBL */ | |
$dbl_record = dns_get_record($domain); | |
/* If the resulting array is empty, the domain is clear for liftoff */ | |
if ($dbl_record != NULL && count($dbl_record) == 0) { | |
/* Do stuff with the good domain */ | |
} else { | |
/* Warn about a blocked domain */ | |
} | |
} |
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$domain = $parsed_url['host'] . '.dbl.spamhaus.org';