openssl_pkey_get_public
(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
Description
openssl_pkey_get_public(OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
$public_key): OpenSSLAsymmetricKey|false
openssl_pkey_get_public() extracts the public key from
public_key and prepares it for use by other
functions.
Parameters
-
public_key -
public_keycan be one of the following:- an OpenSSLAsymmetricKey instance
- a string having the format file://path/to/file.pem. The named file must contain a PEM encoded certificate/public key (it may contain both).
- A PEM formatted public key.
Return Values
Returns an OpenSSLAsymmetricKey instance on success, or false on error.
Changelog
| 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.
|
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