Convert Fahrenheit to Celsius Through User Input using HTML
In a more interactive scenario, you might want to convert a temperature entered by the user. This can be done using an HTML form to get the Fahrenheit temperature as input and PHP to process this input.
Example: Illustration of Calculating Fahrenheit to Celsius in PHP through User Input using HTML.
PHP
<!DOCTYPE html><html><head> <title>Fahrenheit to Celsius Conversion</title></head><body> <form action="" method="post"> <label for="fahrenheit">Fahrenheit:</label> <input type="text" id="fahrenheit" name="fahrenheit"> <input type="submit" value="Convert"> </form> <?php if (isset($_POST['fahrenheit'])) { $fahrenheit = $_POST['fahrenheit']; $celsius = ($fahrenheit - 32) * 5 / 9; echo "<p>{$fahrenheit}°F is {$celsius}°C</p>"; } ?></body></html> |
Output:
Time Complexity: O(1)
Auxiliary Space: O(1)
PHP Program to Convert Fahrenheit to Celsius
Converting temperature from Fahrenheit to Celsius is a common task in many applications. The formula to convert Fahrenheit to Celsius is:-
Celsius = (Fahrenheit - 32) * 5/9
In this article, we will explore how to implement this conversion in PHP using different approaches such as inline calculations, functions, and using HTML.
Table of Content
- Using Inline Calculation
- Using a Function
- Through User Input using HTML
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