gmp_sub

Function • Params and return types changed in PHP 8.0

Subtract numbers.

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

gmp_sub Function synopsis

gmp_sub(GMP|string|int $num1, GMP|string|int $num2): GMP

Parameters

$num1

TypeGMP|string|int

The number being subtracted from.

$num2

TypeGMP|string|int

The number subtracted from $num1.

Return value

TypeGMP

A GMP object.

Changes to the gmp_sub Function

PHP 8.0

  • Return type added: GMP
  • Parameter name of parameter #1 changed: $a to $num1
  • Parameter type added for parameter #1 ($num1): GMP|string|int
  • Parameter name of parameter #2 changed: $b to $num2
  • Parameter type added for parameter #2 ($num2): GMP|string|int
- gmp_sub($a, $b)
+ gmp_sub(GMP|string|int $num1, GMP|string|int $num2): GMP

gmp_sub 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