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# PHP deg2rad() function (with example)

Hi everyone,

I hope you are doing well. I have been recently working on a project where I need to convert degrees to radians using PHP. While researching, I came across the `deg2rad()` function in PHP, but I am a bit confused about how it works.

Could someone please explain to me how the `deg2rad()` function works in PHP? It would be great if you could provide an example as well.

Best regards,

## All Replies

Greetings,

I've had my fair share of experience using the `deg2rad()` function in PHP, so I can definitely lend a helping hand here. The `deg2rad()` function serves as a marvelous tool in PHP when it comes to converting degrees to radians effortlessly.

Let me elaborate on how it operates. To convert degrees to radians, you'll pass the desired degree value as an argument to the `deg2rad()` function. Subsequently, it will return the corresponding value in radians. Suppose you have an angle of 60 degrees that needs conversion to radians. In that case, you'd utilize the subsequent code snippet:

```php```\$degrees = 60;
echo "The angle of 60 degrees in radians is: " . \$radians;
``````

Upon executing the aforementioned code, the output will be: "The angle of 60 degrees in radians is: 1.0471975511966". It's crucial to acknowledge that the value returned by `deg2rad()` is in floating-point representation, offering precision for mathematical computations.

Remember that the `deg2rad()` function solely accepts one parameter, which denotes the number of degrees to be converted. Moreover, it doesn't alter the original variable; instead, it returns the converted value.

I genuinely hope this explanation provides clarity on how you can employ the `deg2rad()` function in PHP. If you require any further elucidation, please feel free to inquire!

Warm regards,

Hey there,

I've used the `deg2rad()` function in my PHP projects before, so I can definitely help you out. The `deg2rad()` function is a really handy built-in function in PHP that helps convert degrees to radians.

Here's how it works. You simply pass the number of degrees you want to convert as the parameter to the `deg2rad()` function, and it will return the equivalent value in radians. For instance, if you have an angle of 45 degrees and want to convert it to radians, you would use the following code:

```php```\$degrees = 45;
``````

The above code will output: "45 degrees in radians is: 0.78539816339745". The value returned by `deg2rad()` is in floating-point representation.

It's important to note that the `deg2rad()` function only accepts one parameter, which is the number of degrees you want to convert. It does not manipulate the original variable but rather returns the converted value.

I hope this explanation helps you understand how to use the `deg2rad()` function in PHP. If you have any further questions, feel free to ask!

Best regards,