Programming Fundamentals/Variables/PHP
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variables.php[edit | edit source]
<?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";
?>
Try It[edit | edit source]
Copy and paste the code above into one of the following free online development environments or use your own PHP compiler / interpreter / IDE.