openssl_pkey_get_public

Function • Params and return types changed in PHP 8.0

Extract public key from certificate and prepare it for use.

PHP 5

PHP 7

Improved

PHP 8.1-8.2

PHP 8.3-8.4

PHP 8.5

PHP 8.6

`openssl_pkey_get_public` Function synopsis

openssl_pkey_get_public($public_key): OpenSSLAsymmetricKey|false

Parameters

`$public_key`

$public_key can be one of the following:

Return value

TypeOpenSSLAsymmetricKey|false

Returns an OpenSSLAsymmetricKey instance on success, or false on error.

Changes to the `openssl_pkey_get_public` Function

PHP 8.0

Return type added: OpenSSLAsymmetricKey|false
Parameter name of parameter #1 changed: $cert to $public_key

- openssl_pkey_get_public($cert)
+ openssl_pkey_get_public($public_key): OpenSSLAsymmetricKey|false

`openssl_pkey_get_public` Function Availability

PHP Version	Availability
PHP 8.6Upcoming Release	Yes
PHP 8.5Supported (Latest)	Yes
PHP 8.4Supported	Yes
PHP 8.3Supported	Yes
PHP 8.2Security-Fixes Only	Yes
PHP 8.1Security-Fixes Only	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