← All built-ins / deg2rad()
deg2rad()
deg2rad(mixed $number): float
Parameters
| Name | Type | Description |
|---|---|---|
| $number | float|int | degrees |
Return value
The angle in radians.
Example
echo round(deg2rad(180), 5), " ", round(deg2rad(90), 4);
3.14159 1.5708
| Name | Type | Description |
|---|---|---|
| $number | float|int | degrees |
The angle in radians.
echo round(deg2rad(180), 5), " ", round(deg2rad(90), 4);
3.14159 1.5708