Railsbin – The vulnerable pastebin service!
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function get_tbs_diff($a, $b) { $a = strtolower($a); $b = strtolower($b); $a = preg_replace('/[^a-z]/', '', $a); $b = preg_replace('/[^a-z]/', '', $b); $la = strlen($a); $lb = strlen($b); $min = min([$la, $lb]); $diff = 0; for ($i = 0; $i < $min; $i++) { $oa = ord($a); $ob = ord($b); $d = abs($oa - $ob); $diff += $d; } $diff += abs($la - $lb); return $diff; }
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