deg2rad
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Converts the number in degrees to the radian equivalent
Description
deg2rad(float $num): float
This function converts num from degrees to the radian equivalent.
Parameters
numAngular value in degrees
Return Values
The radian equivalent of num
Examples
deg2rad() example
php
<?php
echo deg2rad(45), PHP_EOL; // 0.785398163397
var_dump(deg2rad(45) === M_PI_4); // bool(true)
?>