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de42d6ad06
* temperature conversions * perfect number * added unit tests and ran phpcs * unit test * fixed style issue in ConversionsTest.php * fixed comments
116 lines
2.4 KiB
PHP
116 lines
2.4 KiB
PHP
<?php
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/**
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* This function converts the submitted
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* temperature (Celsius) and converts it into
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* Fahrenheit.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $celsius
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* @throws \Exception
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* @return float
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*/
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function CelsiusToFahrenheit($celsius)
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{
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if (!is_numeric($celsius)) {
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throw new \Exception("Temperature (Celsius) must be a number");
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}
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return round(($celsius * 9 / 5) + 32, 1);
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}
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/**
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* This function converts the submitted
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* temperature (Fahrenheit) and converts it into
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* Celsius.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $fahrenheit
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* @throws \Exception
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* @return float
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*/
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function FahrenheitToCelsius($fahrenheit)
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{
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if (!is_numeric($fahrenheit)) {
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throw new \Exception("Temperature (Fahrenheit) must be a number");
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}
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return round(($fahrenheit - 32) * 5 / 9, 1);
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}
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/**
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* This function converts the submitted
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* temperature (Celsius) and converts it into
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* Kelvin.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $celsius
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* @throws \Exception
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* @return float
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*/
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function CelsiusToKelvin($celsius)
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{
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if (!is_numeric($celsius)) {
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throw new \Exception("Temperature (Celsius) must be a number");
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}
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return round(($celsius + 273.15), 2);
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}
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/**
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* This function converts the submitted
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* temperature (Kelvin) and converts it into
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* Celsius.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $kelvin
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* @throws \Exception
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* @return float
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*/
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function KelvinToCelsius($kelvin)
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{
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if (!is_numeric($kelvin)) {
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throw new \Exception("Temperature (Kelvin) must be a number");
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}
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return round(($kelvin - 273.15), 2);
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}
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/**
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* This function converts the submitted
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* temperature (Kelvin) and converts it into
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* Fahrenheit.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $kelvin
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* @throws \Exception
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* @return float
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*/
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function KelvinToFahrenheit($kelvin)
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{
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if (!is_numeric($kelvin)) {
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throw new \Exception("Temperature (Kelvin) must be a number");
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}
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return round(($kelvin - 273.15) * 1.8 + 32, 2);
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}
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/**
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* This function converts the submitted
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* temperature (Fahrenheit) and converts it into
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* kelvin.
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*
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* @author Marco https://github.com/MaarcooC
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* @param float $fahrenheit
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* @throws \Exception
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* @return float
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*/
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function FahrenheitToKelvin($fahrenheit)
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{
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if (!is_numeric($fahrenheit)) {
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throw new \Exception("Temperature (Fahrenheit) must be a number");
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}
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return round(($fahrenheit - 32) * 5 / 9 + 273.15, 2);
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}
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