PHP hypot()Functions
Examples
Calculate the hypotenuse length of different right triangles:
<?php
echo hypot(3,4) . "<br>";
echo hypot(4,6) . "<br>";
echo hypot(1,3) . "<br>";
echo sqrt(3*3+4*4);
?>
echo hypot(3,4) . "<br>";
echo hypot(4,6) . "<br>";
echo hypot(1,3) . "<br>";
echo sqrt(3*3+4*4);
?>
Run Example »
Definition and Usage
The hypot() function calculates the hypotenuse length of a right triangle.
Tip:This function is equivalent to sqrt(x*x + y*y).
Syntax
hypot(x,y);
| Parameters | Description |
|---|---|
| x | Required. Specifies the length of the first leg. |
| y | Required. Specifies the length of the second leg. |
Technical Details
| Return Value: | The length of the hypotenuse. |
|---|---|
| Return Type: | Float |
| PHP Version: | 4.1+ |
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