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