fbinnzhivko

Untitled

Dec 25th, 2016
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PHP 0.83 KB | None | 0 0
  1. <?php
  2. function celsiusToFahrenheit(float $celsius) : float
  3. {
  4.     return $celsius * 1.8 + 32;
  5. }
  6. function fahrenheitToCelsius(float $fahrenheit) : float
  7. {
  8.     return ($fahrenheit - 32) / 1.8;
  9. }
  10. $msgAfterCelsius = "";
  11. if (isset($_GET['cel'])) {
  12.     $cel = floatval($_GET['cel']);
  13.     $fah = celsiusToFahrenheit($cel);
  14.     $msgAfterCelsius = "$cel &deg;C = $fah &deg;F";
  15. }
  16. $msgAfterFahrenheit = "";
  17. if (isset($_GET['fah'])) {
  18.     $fah = floatval($_GET['fah']);
  19.     $cel = fahrenheitToCelsius($fah);
  20.     $msgAfterFahrenheit = "$fah &deg;F = $cel &deg;C";
  21. }
  22. ?>
  23. <form>
  24. Celsius: <input type="text" name="cel" />
  25.     <input type="submit" value="Convert">
  26.     <?= $msgAfterCelsius ?>
  27. </form>
  28. <form>
  29.     Fahrenheit: <input type="text" name="fah" />
  30.     <input type="submit" value="Convert">
  31.     <?= $msgAfterFahrenheit ?>
  32. </form>
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