hypot

Function • Params and return types changed in PHP 8.0

Calculate the length of the hypotenuse of a right-angle triangle.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

hypot Function synopsis

hypot(float $x, float $y): float

Parameters

$x

Typefloat

Length of first side

$y

Typefloat

Length of second side

Return value

Typefloat

Calculated length of the hypotenuse

Changes to the hypot Function

PHP 8.0

  • Return type added: float
  • Parameter name of parameter #1 changed: $num1 to $x
  • Parameter type added for parameter #1 ($x): float
  • Parameter name of parameter #2 changed: $num2 to $y
  • Parameter type added for parameter #2 ($y): float
- hypot($num1, $num2)
+ hypot(float $x, float $y): float

hypot Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes