This function also frees public key resources as received with openssl_pkey_get_public().
Manual above should say: "Frees a pkey resource"
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
openssl_pkey_free — 释放一个私钥
本函数已自 PHP 8.0.0 起被废弃。强烈建议不要依赖本函数。
key持有该密钥的资源。
没有返回值。
| 版本 | 说明 |
|---|---|
| 8.0.0 | 此函数现已弃用，因为不再有效。 |
| 8.0.0 |
key 现在接受 OpenSSLAsymmetricKey；之前接受类型
OpenSSL key 的 resource。
|
This function also frees public key resources as received with openssl_pkey_get_public().
Manual above should say: "Frees a pkey resource"PHP 8 deprecates openssl_free_key (actually openssl_pkey_free which it aliases) and automatically destroys the key instance when it goes out of scope.