(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_pkey_get_public — Extract public key from certificate and prepare it for use
$public_key
): OpenSSLAsymmetricKey|falseopenssl_pkey_get_public() extracts the public key from public_key
and prepares it for use by other functions.
public_key
public_key
can be one of the following:
Returns an OpenSSLAsymmetricKey instance on success, or false
on error.
Version | Description |
---|---|
8.0.0 | On success, this function returns an OpenSSLAsymmetricKey instance now; previously, a resource of type OpenSSL key was returned. |
8.0.0 | public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a resource of type OpenSSL key or OpenSSL X.509 was accepted. |