gmp_popcount

Function • Params and return types changed in PHP 8.0

Population count.

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_popcount Function synopsis

gmp_popcount(GMP|string|int $num): int

Parameters

$num

TypeGMP|string|int

Return value

Typeint

The population count of $num, as an int.

Changes to the gmp_popcount Function

PHP 8.0

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

gmp_popcount 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