36 lines
799 B
PHP
36 lines
799 B
PHP
<?php
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declare(strict_types=1);
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namespace Brick\Math\Exception;
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/**
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* Exception thrown when attempting to create a number from a string with an invalid format.
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*/
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class NumberFormatException extends MathException
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{
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/**
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* @param string $char The failing character.
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*
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* @return NumberFormatException
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*
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* @psalm-pure
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*/
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public static function charNotInAlphabet(string $char) : self
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{
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$ord = \ord($char);
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if ($ord < 32 || $ord > 126) {
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$char = \strtoupper(\dechex($ord));
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if ($ord < 10) {
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$char = '0' . $char;
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}
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} else {
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$char = '"' . $char . '"';
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}
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return new self(sprintf('Char %s is not a valid character in the given alphabet.', $char));
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}
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}
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