Remove whitespaces in isbns before validating
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@ -411,7 +411,7 @@ final class MD_STD_IN {
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}
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}
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// Remove hyphens
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// Remove hyphens
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$input = trim(strtr($input, ["-" => "", "–" => ""]));
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$input = trim(strtr($input, ["-" => "", "–" => "", " " => ""]));
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// ISBN 10
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// ISBN 10
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if (\mb_strlen($input) === 10) {
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if (\mb_strlen($input) === 10) {
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