openssl_get_curve_names

Function • Return type changed in PHP 8.0

Gets list of available curve names for ECC.

PHP 5
PHP 7.0
PHP 7.1
Added
PHP 7.2-7.4
PHP 8.0
Improved
PHP 8.1
PHP 8.2-8.3
PHP 8.4
PHP 8.5
PHP 8.6

openssl_get_curve_names Function synopsis

openssl_get_curve_names(): array|false

Parameters

openssl_get_curve_names does not take any parameters.

Return value

Typearray|false

An array of available curve names, or false on failure.

Changes to the openssl_get_curve_names Function

PHP 8.0

  • Return type added: array|false
- openssl_get_curve_names()
+ openssl_get_curve_names(): array|false

PHP 7.1

  • Function added

openssl_get_curve_names 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 No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No