Respect /
Validation
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| Conditions | 1 |
| Paths | 1 |
| Total Lines | 6 |
| Lines | 0 |
| Ratio | 0 % |
| Tests | 0 |
| CRAP Score | 2 |
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| 1 | <?php |
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| 16 | public function validate($isbn) |
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| 17 | { |
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| 18 | // https://howtodoinjava.com/regex/java-regex-validate-international-standard-book-number-isbns/ |
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| 19 | $regex = "/^(?:ISBN(?:-1[03])?:? )?(?=[0-9X]{10}$|(?=(?:[0-9]+[- ]){3})[- 0-9X]{13}$|97[89][0-9]{10}$|(?=(?:[0-9]+[- ]){4})[- 0-9]{17}$)(?:97[89][- ]?)?[0-9]{1,5}[- ]?[0-9]+[- ]?[0-9]+[- ]?[0-9X]$/"; |
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| 20 | return preg_match($regex, $isbn); |
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| 21 | } |
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| 22 | } |
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| 23 |
