18 lines
317 B
Markdown
18 lines
317 B
Markdown
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# Fibonacci
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- `v::fibonacci()`
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Validates whether the input follows the Fibonacci integer sequence.
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```php
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v::fibonacci()->validate(1); // true
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v::fibonacci()->validate('34'); // true
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v::fibonacci()->validate(6); // false
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```
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***
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See also:
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* [PerfectSquare](PerfectSquare.md)
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* [PrimeNumber](PrimeNumber.md)
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