gmp_testbit

Function • Params and return types changed in PHP 8.0

Tests if a bit is set.

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_testbit Function synopsis

gmp_testbit(GMP|string|int $num, int $index): bool

Parameters

$num

TypeGMP|string|int

$index

Typeint

The bit to test

Return value

Typebool

Returns true if the bit is set in $num, otherwise false.

Changes to the gmp_testbit 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
  • Parameter type added for parameter #2 ($index): int
- gmp_testbit($a, $index)
+ gmp_testbit(GMP|string|int $num, int $index): bool

gmp_testbit 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