gmp_perfect_square

Function • Params and return types changed in PHP 8.0

Perfect square check.

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_perfect_square Function synopsis

gmp_perfect_square(GMP|string|int $num): bool

Parameters

$num

TypeGMP|string|int

The number being checked as a perfect square.

Return value

Typebool

Returns true if $num is a perfect square, false otherwise.

Changes to the gmp_perfect_square Function

PHP 8.0

  • Return type added: bool
  • Parameter name of parameter #1 changed: $a to $num
  • Parameter type added for parameter #1 ($num): GMP|string|int
- gmp_perfect_square($a)
+ gmp_perfect_square(GMP|string|int $num): bool

gmp_perfect_square 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