gmp_prevprime

Function • Added in PHP 8.6
PHP 5
PHP 7
PHP 8.0-8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6
Added

gmp_prevprime Function synopsis

gmp_prevprime(GMP|string|int $num, &$definitely_prime = null): GMP

Parameters

$num

TypeGMP|string|int

$definitely_prime

Passed by reference, OptionalDefault valuenull

Note that the parameter $definitely_prime is passed by reference, and contains additional/updated context data that may be useful.

Return value

TypeGMP

Changes to the gmp_prevprime Function

PHP 8.6

  • Function added

gmp_prevprime Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) No
PHP 8.4Supported No
PHP 8.3Security-Fixes Only No
PHP 8.2Security-Fixes Only No
PHP 8.1Unsupported No
PHP 8.0Unsupported No
PHP 7.4Unsupported No
PHP 7.3Unsupported No
PHP 7.2Unsupported No
PHP 7.1Unsupported No
PHP 7.0Unsupported No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No