Programming Fundamentals/Variables/PHP

variables.php

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<?php

// This program converts a Fahrenheit temperature to Celsius.
//
// References:
//     https://www.mathsisfun.com/temperature-conversion.html
//     https://en.wikibooks.org/wiki/PHP_Programming

echo "Enter Fahrenheit temperature:\n";
$fahrenheit = readline();

$celsius = ($fahrenheit - 32) * 5 / 9;

echo $fahrenheit . "° Fahrenheit is " . $celsius . "° Celsius\n";

?>

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Copy and paste the code above into one of the following free online development environments or use your own PHP compiler / interpreter / IDE.

See Also

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