mirror of https://github.com/kcal-app/kcal.git
48 lines
1.3 KiB
PHP
48 lines
1.3 KiB
PHP
<?php
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namespace App\Support;
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use Phospr\Fraction;
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class Number
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{
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/**
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* Get a float value from a decimal or fraction string.
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*
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* @param string $value
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* Value in decimal or string format.
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* @return float
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* Float representation of the value.
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*
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* @throws \InvalidArgumentException
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*/
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public static function floatFromString(string $value): float {
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if ((float) $value == $value) {
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$result = (float) $value;
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}
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else {
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$result = Fraction::fromString($value)->toFloat();
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}
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return $result;
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}
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/**
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* Get a string faction representation of a float.
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*
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* @todo Handle repeating values like 1/3, 2/3, etc. better.
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*
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* @see https://rosettacode.org/wiki/Convert_decimal_number_to_rational#PHP
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*
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* @param float $value
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* Value to convert to string fraction.
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* @return string
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* String fraction.
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*/
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public static function fractionStringFromFloat(float $value): string {
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$fraction = (string) Fraction::fromFloat($value);
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$fraction = str_replace('33333333/100000000', '1/3', $fraction);
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$fraction = str_replace('66666667/100000000', '2/3', $fraction);
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return $fraction;
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}
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}
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