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Fix Undefined array key -1 warning #20

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Fix Undefined array key -1 warning #20

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7 changes: 7 additions & 0 deletions no.php
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,14 @@ function getRequestHeaders($multipart_delimiter=NULL) {

function build_domain_regex($hostname)
{
if (filter_var($hostname, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4)) {
return $hostname;
}
$names = explode('.', $hostname); //assumes main domain is the TLD
if (count($names) === 1) {
return $hostname;
}

$regex = "";
for ($i= 0; $i < count ($names)-2; $i++)
{
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