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PHP Quiz PHP CertificatePHP rad2deg() Function
Complete PHP Math Reference
Definition and Usage
The rad2deg() function converts a radian number to its degree.
Syntax
rad2deg(radian_number)
| Parameter | Description |
|---|---|
| radian_number | Required. Specifies the radian number to convert |
Example
<?php
$rad = M_PI;
$deg = rad2deg($rad);
echo "$rad radians is equal to $deg degrees";
?>
$rad = M_PI;
$deg = rad2deg($rad);
echo "$rad radians is equal to $deg degrees";
?>
The output of the code above will be:
3.14159265359 radians is equal to 180 degrees
Complete PHP Math Reference
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