Convert Fahrenheit degrees to Celsius using PHP

Convert Fahrenheit degrees to Celsius using PHP

In this article, we will discuss the concept of the “Convert Fahrenheit degrees to Celsius using PHP”

In this post, we will learn how to write a program to alter Fahrenheit into Celsius.

Here, we have five methods and explain how to calculate Celsius using the given Fahrenheit value and display the result on the screen in PHP programming language.

Code to Alter Fahrenheit into Celsius

Convert Fahrenheit into Celsius  -#1

In this program, the user declares two variables as Celsius and Fahrenheit and initiates the value as 100.0 to Fahrenheit. Then the scientific equation will alter from Fahrenheit into Celsius in the PHP programming language.

Program 1

<?php
//Convert Celsius degrees to Fahrenheit
$fahrenheit=100.0;
//initialize variable
$celsius=(($fahrenheit-32)*5)/9;
//Calculate Fahrenheit
echo("Temperature in Celsius is: ");
$celsius=round($celsius,3);
echo(($celsius));
//print tesult
?>

When the above code is executed, it produces the following result

The temperature in Celsius is: 37.778

 

Convert Fahrenheit into Celsius  -Entered by the user-#2

In this program, the user declares two variables as Celsius and Fahrenheit. The program asks for the value from the user to Fahrenheit then the given input will alter from Fahrenheit into Celsius in the PHP programming language using the scientific equation.

Program 2

<?php
//Convert Celsius degrees to Fahrenheit
$fahrenheit=readline("Enter the Fahrenheit: ");
//Ask input rom user
$celsius=(($fahrenheit-32)*5)/9;
//Calculate celsius
echo("The temperature in Celsius is: ");
$celsius=round($celsius,3);
echo(($celsius));
//Print the result
?>

When the above code is executed, it produces the following result

Enter the Fahrenheit: 180
The temperature in Celsius is: 82.222

 

Convert Fahrenheit into Celsius  -Using function-#3

In this program, the user declares a double variable as a parameter for Fahrenheit(F) in the user-defined function. When the user runs the program (when calling the function), the value for Fahrenheit passes as an argument to the function.
Finally, the Celsius value is calculated and displayed on the screen using the scientific equation in the PHP programming language.

Program 3

<?php
//Convert Celsius degrees to Celsius using function
function calc_Celsius(int $fahrenheit){
return ($fahrenheit-32) *5/9;
}//user define function to calculate Celsius

echo("The temperature in Celsius is: ");
//$celsius=round($celsius,3);
echo(calc_Celsius(32));
echo "\n";
echo(calc_Celsius(50));
echo "\n";
echo(calc_Celsius(212));
//Calling the function to print result

When the above code is executed, it produces the following result

The temperature in Celsius is: 0
10
100

 

Convert Fahrenheit into Celsius Using the function – #4

In this program, the user declares a double variable as a parameter for Fahrenheit(F) in the user-defined function. When the user runs the program (when calling the function), the value of  Fahrenheit passes as an argument to the function.
Finally, the Celsius value is calculated and displayed on the screen using the scientific equation.

Program 4

<?php
//Convert Celsius degrees to Celsius using function
function calc_Celsius(int $fahrenheit){
return ($fahrenheit-32) *5/9;
}//user define function to calculate Celsius
$fahrenheit=98.6;
echo("The temperature in Celsius is: ");
echo(calc_Celsius($fahrenheit));
//Calling the function to print result

When the above code is executed, it produces the following result

The temperature in Celsius is: 36.666666666667

 

Convert Fahrenheit into Celsius Using the function-Entered by the user-#5

In this program, the user declares a double variable as a parameter for Fahrenheit(F) in the user-defined function. When the user runs the program (when calling the function), The program asks for the value from the user to Fahrenheit and the value for Fahrenheit passes as an argument to the function.
Finally, the Celsius value is calculated and displayed on the screen using the scientific equation.

Program 5

<?php
//Convert Fahrenheit degrees to Celsius using function
function calc_Celsius(int $fahrenheit){
return ($fahrenheit-32) *5/9;
}//user define function to calculate fahrenheit
$fahrenheit=readline("Enter the Fahrenheit: ");
//Ask input from the user
echo("The temperature in Celsius is: ");
//$fahrenheit=round($celsius,3);
echo(calc_Celsius($fahrenheit));
//Display the output via calling the function

When the above code is executed, it produces the following result

Enter the Fahrenheit: 89.0
The temperature in Celsius is: 31.666666666667

 

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