Code Duplication    Length = 4-4 lines in 2 locations

smtp-validate-email.php 2 locations

@@ 803-806 (lines=4) @@
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        $i = -1;
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        foreach ($output as $line) {
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            $i++;
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            if (preg_match("/^$hostname\tMX preference = ([0-9]+), mail exchanger = (.+)$/i", $line, $parts)) {
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                $mxweights[$i] = trim($parts[1]);
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                $mxhosts[$i] = trim($parts[2]);
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            }
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            if (preg_match('/responsible mail addr = (.+)$/i', $line, $parts)) {
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                $mxweights[$i] = $i;
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                $mxhosts[$i] = trim($parts[1]);
@@ 807-810 (lines=4) @@
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                $mxweights[$i] = trim($parts[1]);
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                $mxhosts[$i] = trim($parts[2]);
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            }
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            if (preg_match('/responsible mail addr = (.+)$/i', $line, $parts)) {
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                $mxweights[$i] = $i;
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                $mxhosts[$i] = trim($parts[1]);
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            }
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        }
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        return ($i != -1);
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    }