PHP hypot() Function
Definition
The hypot() function calculates the hypotenuse of a right-angle triangle.
Syntax
PHP hypot() Function has the following syntax.
hypot(x,y);Parameter
| Parameter | IsRequired | Description |
|---|---|---|
| x | Required. | Length of first side |
| y | Required. | Length of second side |
Return
| Item | Description |
|---|---|
| Return Value | The length of the hypotenuse |
| Return Type | Float |
Note
This function is equivalent to sqrt(x*x + y*y).
Example
Calculate the hypotenuse of different right-angle triangles:
<?php//from www . j ava 2 s . co m
echo hypot(3,4) . "\n";
echo hypot(4,6) . "\n";
echo hypot(1,3) . "\n";
echo sqrt(3*3+4*4);
?>
The code above generates the following result.
