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@@ -634,4 +634,22 @@ EOF';
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$c = ($c % 11) % 10;
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return ($regon[8] == $c);
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}
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+
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+ static function stripInvalidXmlChars($value = "") {
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+ return array_reduce(str_split((string)$value), function ($ret, $char) {
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+ $charCode = ord($char);
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+ if (
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+ (0x9 === $charCode)
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+ || (0xA === $charCode)
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+ || (0xD === $charCode)
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+ || (($charCode >= 0x20) && ($charCode <= 0xD7FF))
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+ || (($charCode >= 0xE000) && ($charCode <= 0xFFFD))
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+ || (($charCode >= 0x10000) && ($charCode <= 0x10FFFF))
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+ ) {
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+ return $ret . $char;
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+ }
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+ return $ret;
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+ }, "");
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+ }
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+
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}
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